maxmaxmax(T) is preferably determined on the basis of a stable region of a conversion factor CF of the associative gas as referenced to a calibration gas with which association is unlikely to occur. This makes it possible to stably supply, to a semiconductor manufacturing device, associative gas with which chemical association readily occurs.
An alloy for semiconductor production apparatuses according to the present invention contains Ta and Mo as a first element group. This alloy for semiconductor production apparatuses additionally contains, as a second element group, at least one element that is selected from the group consisting of Nb, Hf, Zr and W. If the total of the first element group and the second element group is taken as 100 at%, Ta is 10 at% or more but 35 at% or less (hereinafter expressed as 10-35 at% that is the elemental ratio thereof), Mo is 5-25 at%, and each one of the second elements is 10-35 at%. In addition, the adsorption energy of chloride ions or the like is 0.2 eV or less.
An alloy according to the present embodiment contains Fe, Cr and V as a first element group. Said alloy may also contain one or more types of element selected from Mn, Co, Ni, Si, Ge, Ru and Pd as a second element group. When the total is 100at% (hereinafter, written the same), the first element group each constitutes 10-45 at%, inclusive (at%=element ratio. Hereinafter, written as 10-45 at%). The Mg lattice mismatch is 13% or higher, and the dislocation movement barrier energy is 300 kJ/mol or higher.
Provided is a flexible-pipe joint that makes it possible to eliminate marking work by a builder, and that also makes it possible to easily identify any building defects. The flexible-pipe joint is a pipe joint 1 for connecting a bellows-shaped flexible pipe in which a plurality of peaks and troughs are alternately arranged in an axial direction. The pipe joint is a joint configured so that when the flexible pipe is inserted into the joint from one end section up to a prescribed location, the flexible pipe is thereby sealed and prevented from being dislodged. On one end section on the inner circumferential surface of the pipe joint, a mark assigning portion 9 is present which comes into contact with a cover body for covering the flexible pipe when the flexible pipe is inserted, and thus assigns a mark onto the cover body.
The present invention provides: a laminated magnetic material which is excellent in terms of preventing a reduction in heat resistance and magnetic flux density and suppressing an increase in iron loss; and a method for producing a laminated magnetic material. Provided is a laminated magnetic material in which laminated quenched alloy thin ribbons are bonded in layers with a resin that is heat curable or curable at normal temperature and that has a glass transition temperature of not more than 100°C, said laminated magnetic material being characterized in that the peeling strength of the laminated magnetic material at room temperature is not less than 1.0 gf/mm, and the magnetic flux density B80 of the entirety of the laminated magnetic material at an applied magnetic field of 80 A/m is not less than 1.25 T.
H01F 27/25 - Magnetic cores made from strips or ribbons
H01F 1/147 - Alloys characterised by their composition
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
6.
COMPOSITE MATERIAL, MANUFACTURING METHOD FOR COMPOSITE MATERIAL, AND MOLD
The purpose of the present invention is to provide a composite material that has high durability under a high-temperature environment, and that is easy to manufacture. The composite material according to the present invention is characterized by: including a low-melting point alloy member having a melting point of 1600°C or less, at least a portion of the surface thereof having a high-melting point metal-containing built-up section; the high-melting point metal-containing built-up section having high-melting point metal particles dispersed therein, the metal particles containing a high-melting point metal element having a melting point of 2400°C or higher; and the content of the high-melting point metal element being in the range of 50 to 95 mass%.
B22F 7/08 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
C22C 38/14 - Ferrous alloys, e.g. steel alloys containing titanium or zirconium
C23C 24/10 - Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
1-xxabcdee, where A represents at least one of Ni and Co, M represents one or more of Nb, Mo, V, Zr, Hf, and W, 81≤a≤86, 0.15≤b≤5.0, 12.5≤c≤15, 0≤d≤1.0, 0≤e≤1.0, and 0≤x≤0.1 are satisfied, wherein the alloy band, in a state of having a tension of 10-160 MPa applied thereto, is brought into contact with a heating body while being transported, and is subjected to the thermal treatment so that the temperature increase rate is at least 100 K/s, and the temperature Ta of the heating body is in the range of Tx1+85°C to Tx1+140°C when e<0.4 is satisfied in the composition formula and is in the range of Tx1+60°C to Tx1+100°C when e≥0.4 is satisfied in the composition formula, where Tx1 represents the crystallization temperature of the alloy band.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
1-xxabcdee, where A represents at least one of Ni and Co, M represents at least one selected from Nb, Mo, V, Zr, Hf, and W, and, 80.0≤a≤87.0, 0≤b≤9.0, 12.0≤c≤16.0, 0≤d≤1.5, 0≤e≤1.5, and 0≤x≤0.1 are satisfied in terms of atom%, the method comprising transporting a thin amorphous alloy band while pressing the thin amorphous alloy band against a heating body so as to be heat the same, wherein the heating body is heated to a heating temperature Ta of Tx1+80°C to Tx1+160°C when Tx1°C represents a bcc-Fe crystallization onset temperature as measured when the temperature increase rate of the thin amorphous alloy band is set to 20 K/min.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
The present invention provides: an alloy material which has improved mechanical characteristics in a high temperature environment; an alloy product which uses this alloy material; and a machine device which is provided with this alloy product. This alloy material contains Co, Cr, Fe and Ni respectively in an amount within the range from 5% by atom to 40% by atom, Mo in an amount of more than 0% by atom but not more than 8% by atom, Ti in an amount of 1% by atom to 10% by atom, and B in an amount of more than 0% by atom but less than 0.15% by atom, with the balance being made up of unavoidable impurities. This alloy material may contain B in an amount within the range from 0.03% by atom to 0.12% by atom, and may contain at least one of Ta and Nb in an amount of 4% by atom or less. In addition, it is preferable that the sum of Ti and at least one of Ta and Nb is from 3% by atom to 10% by atom.
Mass flow controllers and methods for controlling mass flow controllers are disclosed. A method includes providing a gas through a thermal mass flow sensor of the mass flow controller and processing a sensor signal from the thermal mass flow sensor to produce a flow signal. A total nonlinearity characteristic function is determined based on nonlinearity effects on the flow signal and includes a first and second nonlinearity component function based on a first and second source of nonlinearity respectively. The total nonlinearity characteristic function is calibrated, and the first nonlinearity component function is adjusted responsive to changes in the first source of nonlinearity, after which the total nonlinearity characteristic function is updated. The flow signal is corrected to produce a corrected flow signal using the total nonlinearity characteristic function. A valve of the mass flow controller is controlled using the corrected flow signal and a setpoint signal.
Because nickel sulphate is a hexahydrate, the mass% of Ni is about 20-25%, which makes the bulk specific density thereof low, and thus, there is a problem in that the volume to be handled in transport and in a step for manufacturing a positive electrode material increases. The present invention provides a method for manufacturing a positive electrode active material for a lithium-ion secondary battery, the method including: a step for firing mixed powder in which metal nickel powder, a compound containing Li, and a compound containing a metal element M other than Li and Ni are mixed to yield a positive electrode active material for a lithium-ion secondary battery, the positive electrode material having a layered structure, wherein the amount of Ni in the total amount of metal elements contained in the positive electrode active material for a lithium-ion secondary battery is equal to or greater than 60% in terms of the atomic ratio, and the nickel powder is at least partially oxidized or a step for oxidizing said powder is included.
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
12.
COMPOSITE MEMBER, PRODUCT, AND METHOD FOR PRODUCING COMPOSITE MEMBER
The present invention provides a composite member, a product, and a method for producing a composite member that make it possible to efficiently improve properties of a member against a load that is not uniform. Provided is a composite member comprising a base material that is made of an alloy, and two or more enhanced-property sections that each include an alloy of a different composition from that of the base material and are disposed so as to be continuous with and integrated with the base material.
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B29C 45/17 - Component parts, details or accessories; Auxiliary operations
C22C 27/04 - Alloys based on tungsten or molybdenum
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
B33Y 80/00 - Products made by additive manufacturing
B29C 33/38 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor characterised by the material or the manufacturing process
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
A method for producing an R-T-B-based sintered magnet according to the present disclosure comprises a sintering step for sintering a shaped product of R-T-B-based alloy powder. This sintering step includes: a first stage step for heating the shaped product at a first sintering temperature T1 to prepare a first stage sintered body; a cooling step for lowering the temperature of the first stage sintered body to a cooling temperature T0; and a second stage step for heating the first stage sintered body at a second sintering temperature T2 to prepare a second stage sintered body. The first sintering temperature T1 and the second sintering temperature T2 are higher than 900°C, and the cooling temperature T0 is 900°C or lower. A first sintering time t1 for which the first sintering temperature T1 is maintained in the first stage step is shorter than a second sintering time t2 for which the second sintering temperature T2 is maintained in the second stage step.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
The present invention improves the reliability of a scintillator structure. This scintillator structure comprises a plurality of cells and a reflection layer that covers the plurality of cells. Each of the plurality of cells includes a resin and a phosphor, the resin being such that the rate of decrease in the overall beam transmittance thereof with respect to light having a wavelength of 542 nm, after the resin has been irradiated with X-rays in a dosage of 100 kgy, is less than 8%.
G01T 1/20 - Measuring radiation intensity with scintillation detectors
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
The present invention improves the reliability of a scintillator structure. This scintillator structure comprises a plurality of cells and a reflective layer covering the plurality of cells. Here, the plurality of cells each contain a resin and a fluorescent body, wherein the resin contains a main agent including bi-7-oxabicyclo[4.1.0]heptane and a curing agent. Also, the plurality of cells each contain a resin and a fluorescent body, wherein the resin contains a main agent and a curing agent. The main agent includes 3,4-epoxycyclohexylmethyl(3,4-epoxy)cyclohexane carboxylate and a 1,2-epoxy-4-(2-oxiranyl)cyclohexane adduct of 2,2-bis(hydroxymethyl)-1-butanol.
G01T 1/20 - Measuring radiation intensity with scintillation detectors
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
16.
CONDUCTIVE METAL PARTICLE PRODUCTION METHOD AND CONDUCTIVE METAL PARTICLES
In this production method for forming Ni-based conductive metal particles by mixing a first aqueous solution comprising Ni and NaOH with a second aqueous solution comprising P to prepare a third aqueous solution with a pH greater than 7 and inducing a reduction precipitation reaction in said third aqueous solution, the median diameter d50 of the conductive metal particles is regulated by means of the NaOH concentration in the third aqueous solution.
B22F 9/24 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
C22C 19/03 - Alloys based on nickel or cobalt based on nickel
17.
METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY
[Problem] To provide a method which is for manufacturing a positive electrode active material for a lithium ion secondary battery, and by which the solid-phase reaction of a precursor is uniformly promoted to suppress the elution amount of lithium carbonate. [Solution] This method for manufacturing a positive electrode active material for a lithium ion secondary battery involves reacting at least 95 mass% of a lithium compound through a heat treatment step using a rotary firing furnace and having a batch firing process for heating a precursor while rolling the same in a heating region in a furnace tube, wherein the batch firing process has: a tilted input stage for tilting the furnace tube and inputting the precursor from an inlet of the firing furnace; a horizontal firing stage for performing firing while making the furnace tube horizontal; and a tilted discharge stage for tilting the furnace tube and discharging a fired body from an outlet of the firing furnace.
F27B 7/12 - Rotary-drum furnaces, i.e. horizontal or slightly inclined tiltable
F27B 7/14 - Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
18.
SILICON CARBIDE-BASED CERAMIC HONEYCOMB STRUCTURE AND PRODUCTION METHOD THEREFOR
This silicon carbide-based ceramic honeycomb structure has a plurality of flow paths penetrating same in an axial direction and separated by partition walls of a silicon carbide-based porous body, and is characterized in that the partition walls have a porosity of 35-50% and a median pore diameter of 8-18 μm, and, in a cross-section of the partition walls perpendicular to the axial direction, when a straight line C passing through the center in a thickness T direction of the partition walls and being parallel to surfaces of the partition walls is drawn, and straight lines that are parallel to the straight line C and that are formed at positions separated from the straight line C by a distance of ±T/5 and ±2T/5 in the thickness direction of the partition walls are drawn, and lengths (pore widths) of pore portions intersected by the straight lines and the number of pores are measured across a predetermined length, an average pore width W that is an average value of the pore widths of all pores measured is 10-25 μm, and the number N of pores per unit length, which is a value obtained by dividing the total number of measured pores by the full length of the straight lines is 20-40 pores/mm.
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
The present invention adjusts a parameter of a mass flow rate control device among a plurality of mass flow rate control devices under a certain control condition, and stores the adjusted parameter into a server in association with the control condition. Next, the present invention extracts pieces of data associated with a common control condition from data accumulated in the server, determines the initial value of the parameter on the basis of the extracted pieces of data, and stores the determined initial value of the parameter into the server in association with the common control condition. The present invention adjusts the mass flow rate control device by using the initial value of the parameter determined in this manner. As a result, the present invention can finish adjustment of the mass flow rate control device with fewer steps while preventing occurrence of a failure in adjustment of the mass flow rate control device.
G05D 7/06 - Control of flow characterised by the use of electric means
G01F 1/00 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
G01F 1/696 - Circuits therefor, e.g. constant-current flow meters
G01F 25/00 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
G05B 11/36 - Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
G05B 11/42 - Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
20.
SILICON CARBIDE-BASED CERAMIC HONEYCOMB STRUCTURE AND PRODUCTION METHOD THEREFOR
This silicon carbide-based ceramic honeycomb structure has a plurality of flow paths penetrating in an axial direction and being separated by partition walls of a silicon carbide-based porous body, and is characterized in that the partition walls each have silicon carbide particles serving as an aggregate, and a binding layer that binds the silicon carbide particles, the binding layer includes at least a cordierite phase and a spinel phase, and the molar ratio M1 [= cordierite phase/(cordierite phase + spinel phase)] of the cordierite phase is 0.4-0.9.
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
A spheroidal graphite cast iron comprising 2.8-3.3% of carbon, 2.5-4.0% of silicon, 0.32-0.40% of manganese, 0.020-0.030% of phosphorus, 0.020-0.035% of sulfur, 0.030-0.050% of magnesium, 0.010-0.050% of a total of lanthanum and cerium, and 0.0020-0.0050% of calcium, all in mass percentage, the remaining portion being iron and unavoidable impurities.
In the manufacturing of a large-sized silicon nitride substrate having a high thermal conductivity, the generation of a portion having a low thermal conductivity caused the problem of decreasing yield (pass rate). This silicon nitride substrate has a ratio λe/λc of 0.85-1.15, which is the ratio of a thermal conductivity λc at a center of the substrate to a thermal conductivity λe at an end of the substrate. The size of the silicon nitride substrate is preferably 150 mm×150 mm or more. The λc and the λe of the silicon nitride substrate each are preferably 100 W/m•K or more.
Provided are: a metal powder for additive manufacturing that makes it possible to produce an additively manufactured product that has excellent mechanical properties and few internal flaws and undergoes little deformation due to strain; and an additively manufactured product using the metal powder for additive manufacturing. A metal powder for additive manufacturing that comprises, by mass%, 14.0%–24.0% of Ni, 2.0%–8.0% of Mo, 10.5%–20.0% of Co, 0.01%–2.00% of Al, and 0.10%–3.00% of Ti, the remainder being Fe and unavoidable impurities. An additively manufactured product that comprises, by mass%, 14.0%–24.0% of Ni, 2.0%–8.0% of Mo, 10.5%–20.0% of Co, 0.01%–2.00% of Al, and 0.10%–3.00% of Ti, the remainder being Fe and unavoidable impurities. In a cross-section of the additively manufactured product taken parallel to the build direction, there are fewer than 0.1 flaws that have a circle equivalent diameter of more than 20 μm per 1 mm2.
The purpose of the present invention is to provide: an iron-chromium-cobalt alloy magnet having improved magnetic characteristics, especially maximum energy product; and a method for producing the same. Provided is an iron-chromium-cobalt alloy magnet, wherein: the iron-chromium-cobalt alloy magnet includes titanium; the number density of Ti-enriched phases having a maximum diameter of 3 μm or greater in a cross-section is, on average, less than 1.0 per 10,000 μm2ma×rcBcB) exceeds 0.72.
H01F 1/04 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/16 - Both compacting and sintering in successive or repeated steps
25.
NI-BASED ALLOY POWDER FOR LAMINATION MOLDING, LAMINATION MOLDED ARTICLE, AND LAMINATION MOLDED ARTICLE MANUFACTURING METHOD
Provided are a Ni-based alloy powder for lamination molding, a lamination molded article, and a manufacturing method therefor, all of which prevent development of cracks. The Ni-based alloy powder for lamination molding contains, in mass%, 10.0-16.0% of Cr, 4.0-9.0% of Al, 1.0-6.0% of Mo, 0.5-4.0% of Nb, 0.5% or less of Ti, 0.5% or less of Zr, 0.06-0.4% of C, and 0.04% or less of B, the remaining portion being Ni and unavoidable impurities, and satisfies 150≤120Nb+650Zr+32Ti-385C≤270.
A diaphragm assembly for a mass flow controller is disclosed. The diaphragm assembly includes an aperture, side walls extending from the aperture and disposed about a central axis, the side walls including multiple convolutions, and a poppet including an interior surface facing the aperture and exterior sealing surface. At least a portion of the diaphragm assembly moveably extends and retracts within a control valve cavity of the mass flow controller. A push rod extending from the interior surface of the poppet moves, responsive to an actuator of the mass flow controller, to enable the exterior sealing surface of the poppet to open and close a flow path through the control valve cavity.
Provided is a method for manufacturing an austenitic stainless steel strip having both of high creep strength and satisfactory oxidation resistance. A method for manufacturing an austenitic stainless steel strip comprises: a hot rolling step for subjecting a material to be hot-rolled to a hot rolling procedure, in which the material to be hot-rolled has a component composition that contains, in % by mass, more than 20.0% and 30.0% or less of Ni, more than 15.0% and 18.0% or less of Cr, 1.0 to 2.0% of Mo, 3.5% or more and less than 5.0% of Al, more than 1.0% and 2.0% or less of Nb+Ta, 0.3% or less of Ti+V, 1.0% or less of Si, 2.0% or less of Mn, 0.01 to 0.3% of Zr, 0.005 to 0.045% of C, 0.001 to 0.03% of B, and also contains at least one element selected from Y, La, Ce and Hf in an amount such that the content of Y+La+Ce+Hf+Zr can become 0.01 to 0.5% with the remainder comprising Fe and unavoidable impurities; a cold rolling step for subjecting the hot-rolled steel strip to a cold rolling procedure; and a solution treatment step for heating the cold-rolled steel strip, then maintaining the heated steel strip at that temperature, and then subjecting the heated steel sheet to a rapid cooling procedure.
The purpose of the present invention is to provide a method for producing boron nitride nanotubes, said method reducing the ratio of by-products having less reinforcing effects such as boron nitride fullerenes and boron nitride thin pieces, while enhancing the yield at the same time, without requiring a thermal oxidation treatment. The present invention provides a method for producing boron nitride nanotubes, said method being characterized by comprising: a step for obtaining a suspension by mixing a starting material that contains boron nitride nanotubes, a nonionic polymer dispersant having an sp3-bonded CH group, and an organic solvent; and a step for obtaining a dispersion liquid containing boron nitride nanotubes by subjecting the thus-obtained suspension to centrifugal separation, thereby removing by-products contained in the starting material.
Provided is a method for predicting a defect of an additive-manufactured product manufactured by melting and solidifying metal powder, said method being characterized by having: a luminance data acquisition step for acquiring luminance data on light emitted from a molten pool formed when the metal power is melted and solidified; an evaluation data extraction step for extracting evaluation data from the luminance data; and an evaluation step for estimating the presence/absence of a defect of the additive-manufactured product by using the evaluation data, wherein the evaluation data includes a luminance average value and a luminance standard deviation.
G01N 21/71 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
G01N 21/88 - Investigating the presence of flaws, defects or contamination
30.
ALLOY MEMBER MANUFACTURING METHOD, ALLOY MEMBER, AND PRODUCT USING ALLOY MEMBER
Provided are a method for manufacturing an alloy member, and an alloy member, the alloy member having excellent mechanical properties and corrosion resistance, and further having abrasion resistance, and being manufactured by a laminated molding method using an alloy powder. The method for manufacturing an alloy member is characterized by having: a laminated molding step for forming an alloy substrate by means of a laminate shaping method using an alloy powder comprising, in an amount range of 5 atomic% to 35 atomic%, respectively, each element of Co, Cr, Fe, Ni, and Ti, and in an amount of 0 atomic% to 8 atomic% (exclusive of 0 atomic%) of Mo, with the balance being unavoidable impurities; and a surface treatment step for performing a surface treatment on the alloy substrate.
Provided are a state monitoring system and a state monitoring method that enable quality control of a molded object to be performed highly accurately. The state monitoring system monitors the state of three-dimensional additive manufacturing, and comprises: an acoustic sensor 23 that detects sound generated by a molded object; and an analysis device 12 that analyzes defects of the molded object on the basis of an acoustic signal AES contained in an output signal OT of the acoustic sensor 23. In the analysis device 12, a memory 52 stores defect DB information 61 that represents correlations between defective states DS of the molded object, and the acoustic signal AES. A defect information analyzer 51 specifies a defective state of the molded object by referencing the defect DB information 61 and by using at least one parameter among the parameters of the acoustic signal AES contained in the output signal OT, namely, the amplitude, the frequency, the wave number, the convergence time, and the generation interval, and determines the quality of the molded object on the basis of specified defective states DSa, DSb.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Provided are an alloy material with which it is possible to inhibit unwanted aggregation precipitation and coarse-grain growth of an intermetallic compound phase, an alloy product in which the alloy material is used, and a machine device having the alloy product. The alloy material according to the present invention includes: Co, Cr, Fe, and Ni elements, each in the range of 5-40 atom% inclusive; Mo in an amount of over 0 atom% and up to 8 atom%; Ti in an amount of at least 1 atom% to less than 8 atom%; and Ta and/or Nb in an amount of over 0 atom% and up to 4 atom%, the total of the Ti and the Ta and/or Nb being 3-8 atom% inclusive, the balance being unavoidable impurities. In an alloy product in which the alloy material is used, the total occupancy of η-phase and Laves-phase precipitates measuring 1 μm or greater in size is suppressed to 5 area% or less.
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/16 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
B33Y 80/00 - Products made by additive manufacturing
B33Y 70/00 - Materials specially adapted for additive manufacturing
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
Provided is a flexible tube joint, and a method for installing a flexible tube, with which it is possible to reduce size while preventing detachment of the flexible tube. A tube joint 1 is a flexible tube joint that connects a flexible tube T1 having a deformation section T11 in which at least a part of the outer circumference is formed widening to the outer diameter side so as to be wider than the peak section of the tube, said flexible tube joint comprising: a push nut 3 mounted closer than the deformation section T11 to the side opposite the tip end of the flexible tube T1; a joint body 2 into which the tip end of the flexible tube T1 is inserted together with the end part of the push nut 3; an engagement mechanism in which the push nut 3 is engaged with the joint body 2; and a ring-shaped seal member positioned inside the joint body 2 and affixed to the flexible tube T1. The push nut 3 and the joint body 2 engage, whereby the flexible tube T1 is connected, and in the connected state, the deformation section T11 of the flexible tube T1 is locked to the end part of the push nut 3 on the joint body inner side, and the flexible tube T1 is retained.
F16L 37/088 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring
F16L 33/00 - Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
34.
PERMANENT MAGNET ALLOY, METHOD FOR MANUFACTURING SAME, PERMANENT MAGNET, AND METHOD FOR MANUFACTURING SAME
The permanent magnet alloy according to the present disclosure comprises 41 to 53 atomic % inclusive of Mn, 46 to 53 atomic % inclusive of Al, and 0.5 to 10 atomic % inclusive of Cu, wherein the ratio of the stable phase having a tetragonal structure is greater than or equal to 50%.
H01F 1/047 - Alloys characterised by their composition
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
B22F 9/04 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/16 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
21421414B compound, and the relationships 26.0 mass% ≤ ([Nd] + [Pr] + [Ce] + [Dy] + [Tb]) - (9 × [O] + 12 × [C]) ≤ 27.5 mass%, 0.15 mass% ≤ [O] ≤ 0.30 mass%, and 0.05 mass% < [Tb] ≤ 0.35 mass% are satisfied, where [Nd] is the Nd content (mass%), [Pr] is the Pr content (mass%), [Ce] is the Ce content (mass%), [Dy] is the Dy content (mass%), [O] is the O content (mass%), and [C] is the C content (mass%). There is also included a portion in which the Tb concentration and/or the Dy concentration gradually decreases from the magnet surface toward the magnet interior.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
C22C 28/00 - Alloys based on a metal not provided for in groups
The present invention provides a heat treatment method and a heat treatment apparatus for an amorphous alloy ribbon, said method and apparatus being capable of uniformly heat treating an amorphous alloy ribbon, while suppressing the occurrence of anisotropy in the magnetic characteristics. A heat treatment method for an amorphous alloy ribbon, said method comprising a step wherein an amorphous alloy ribbon is transferred, while being in contact with a heated projected surface, and the amorphous alloy ribbon is transferred, while having the part that is in contact with the projected surface pressed against the projected surface from a surface which is on the reverse side of the surface that is in contact with the projected surface.
In the present invention, a temperature sensor used in a mass flow rate meter is configured from a flow path through which a fluid flows, a temperature measurement means that has a temperature measurement point at the center of a lateral cross-section of the flow path, and a soaking means provided farther upstream in the flow path than the temperature measurement point. The soaking means is provided with a grating provided continuously in a discretionary direction perpendicular to the direction in which the fluid flows, and an auxiliary flow path that is branched by the grating. This makes it possible to realize a temperature sensor with which it is possible to acquire a temperature measurement value representing the temperature of a fluid that is supplied to a mass flow rate meter from the outside, even when the temperature of the fluid fluctuates.
An Ni-based alloy powder containing, in mass%, 3.5-4.5% of Al, 0.8-4.0% of Cr, not more than 0.0100% of C, 0.001-0.050% of O, and 0.0001-0.0150% of N, the remaining portion being Ni and unavoidable impurities.
1+abcde2+α2+α [In compositional formula (1), M is at least one element selected from Al and Mn, X is at least one element other than Li, Ni, Co, Al, and Mn, –0.1≤a≤0.1, 0.8≤b<1.0, 0≤c≤0.2, 0≤d≤0.2, 0≤e≤0.05, b+c+d+e=1, and –0.2≤α≤0.2.]
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
40.
STAINLESS STEEL FOIL, SPRING FOR SWITCH, SUBSTRATE FOR FLEXIBLE DISPLAY, AND MANUFACTURING METHOD OF STAINLESS STEEL FOIL
This stainless steel foil (1) is configured from stainless steel (110a), wherein a non-metallic inclusion (2) in a cross-sectional view thereof has a circle-equivalent diameter (R) of less than 3 µm.
This liquid level sensor 1 includes: a sleeve 2 that is provided in a vertical direction; a float 3 that moves along the sleeve as a liquid level fluctuates; a resistance row 4; a plurality of grounding means 5 that are provided inside the sleeve; and a liquid level signal output means 6 that extracts, as a liquid level signal that is a signal corresponding to the liquid level, an electric signal detected between a positive electrode side end part 4a and a connection part grounded by the grounding means 5, and further includes a warning signal output means 7 that outputs a warning signal when the float 3 is located within a predetermined distance from a warning position that is a predetermined position within a movable range of the float 3. Accordingly, a compact and highly reliable liquid level sensor is achieved.
G01F 23/62 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using magnetically actuated indicating means
G01F 23/56 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
42.
ADSORPTION MEMBER AND METHOD FOR MANUFACTURING SAME
Provided is an adsorption member that has exceptional adsorption capabilities with respect to foulants having relatively small molecular weights. The adsorption member has a plurality of flow paths through which treatment water passes, and a partition wall that partitions between the flow paths, wherein the wall part has a porous ceramic substrate in which are formed through-holes by which the treatment water can pass between adjacent flow paths, and a layer of metal oxide particles that are secured to the surfaces of the flow paths and the surfaces of the through-holes. In regard to the partition wall, the ratio (B/A) of the total pore specific surface area B of pores having a diameter of 6-10 nm (inclusive) as measured by mercury intrusion and the total pore specific surface area A of pores having a diameter of 1-100 nm (inclusive) as measured by gas adsorption is 49.3% or greater.
B01J 20/12 - Naturally occurring clays or bleaching earth
B01J 20/08 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
C04B 35/195 - Alkaline earth aluminosilicates, e.g. cordierite
C04B 38/06 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances
43.
NI-BASED ALLOY FOR HOT DIE, AND HOT-FORGING DIE USING SAME
Provided are a Ni-based alloy for a hot die, and a hot-forging die using this Ni-based alloy, the Ni-based alloy having high high-temperature compressive strength, oxidation resistance, and tensile strength, and capable of achieving high productivity and a long die service life. This Ni-based alloy for a hot die comprises, by mass%, 12.0-16.0% of W, 1.0-5.0% of Mo, 5.0-7.5% of Al, 0.5-5.0% of Cr, 0.5-7.0% of Ta, 0.1-3.5% of Ti, 0.01-0.25% of C, 0.0005-0.01% of N, 0.05% or less of B, 0.015% or less of S, a total of 0-0.020% of one or more elements selected from the rare-earth elements Y, Ca, and Mg, a total of 1.5% or less of one or more elements selected from Zr and Hf, 3.5% or less of Nb, 15.0% or less of Co, with the remainder being Ni and unavoidable impurities, and C and N satisfying relational expression 1. [Relational expression 1] C/100≤N≤C (where C and N signify the content of each component in mass%).
Provided are a Ni-Cr-Mo alloy, a Ni-Cr-Mo alloy powder, a Ni-Cr-Mo alloy member, and a member which can be molten and solidified, and are superior in corrosion resistance, abrasion resistance and crack resistance. A Ni-Cr-Mo alloy according to the present invention is characterized by being a lamination molding body containing 18-22 mass% of Cr, 18-39 mass% of Mo, 1.5-2.5 mass% of Ta, 1.0-2.5 mass% of B, and the balance comprising Ni and inevitable impurities, satisfying 25≤Cr+(Mo/2B)<38, and having a parent phase where boride particles having a maximum particle size of 70 μm or less are dispersed and precipitated.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 7/04 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers with one or more layers not made from powder, e.g. made from solid metal
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
B33Y 80/00 - Products made by additive manufacturing
B33Y 70/00 - Materials specially adapted for additive manufacturing
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/16 - Both compacting and sintering in successive or repeated steps
45.
ALLOY, ALLOY POWDER, ALLOY MEMBER, AND COMPOSITE MEMBER
The present invention provides an alloy, alloy powder, an alloy member, and a composite member which are excellent in corrosion resistance and abrasion resistance, have crack resistance, and are suitable for an additive fabrication method and the like. The alloy and the alloy powder: contain, by mass%, Cr: 18-22%, Mo: 18-28%, Ta: 1.5-57%, and C: 1.0-2.5%; comprise Nb: 0-42%, Ti: 0-15%, V: 0-27%, Zr: 0-29%, and the balance Ni and inevitable impurities; and satisfy (Ta + 0.7 Nb + Ti + 0.6 V + Zr)/C = 0.5-1.5 in terms of molar ratio. The alloy member is an additively fabricated body or a casting having such a solidification structure, said solidification structure having carbide and a metallic phase having a face-centered cubic lattice structure, and forming a dendrite crystalline structure. The composite member has a substrate and an alloy layer formed on a surface of the substrate, wherein the alloy layer is an additively fabricated body having this kind of solidification structure, said solidification structure having carbide and the metallic phase having the face-centered cubic lattice structure, and forming the dendrite crystalline structure.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 7/04 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers with one or more layers not made from powder, e.g. made from solid metal
C22C 27/02 - Alloys based on vanadium, niobium or tantalum
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
B33Y 80/00 - Products made by additive manufacturing
B33Y 70/00 - Materials specially adapted for additive manufacturing
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/16 - Both compacting and sintering in successive or repeated steps
46.
BATTERY TERMINAL AND METHOD FOR MANUFACTURING BATTERY TERMINAL
This negative pole terminal 20 (the battery terminal) is provided with a shaft section 21, a flange section 22 which extends in the radial direction from sides of the shaft section 21, and a recess section 23 enclosed by a wall section 24 which extends beyond the tip end of a Cu layer 32 side of the shaft section 21. In the axial-direction cross section of the shaft section 21, the cross-sectional area of Cu crystal grains which constitute a Cu portion 33 comprising the Cu layer 32 of the wall section 24 is 10 µm2to 100 µm2, inclusive.
This sensor is provided with a protection tube which is fixed in a through-hole formed in the partition wall of a container, a detection unit which is arranged inside of the protection tube, a lead wire which is connected to the detection unit inside of the protection tube, and a fixed member which is fixed to the partition wall, wherein the lead wire is detachably fixed to the fixed member outside of the protection tube. In one favorable embodiment, the container is an airtight container and the protection tube is integrally and inseparably fixed to the partition wall. In this way, a sensor provided with a detection unit and a lead wire inside of a protection tube fixed to the partition wall of the container can be provided which, with a simple structure, facilitates partial replacement of members during failure and/or adjustment of the position of the detection unit.
G01F 23/30 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
G01F 23/60 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
G01F 23/62 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using magnetically actuated indicating means
The objective of the present invention is to provide a mixed powder production method, a mixed powder production device, an additive manufacturing method, and an additive manufacturing device, with which a plurality of types of powders can be accurately and quickly mixed in a desired mixing ratio. This mixed powder production method uses a plurality of types of powders as a raw material, and has: a first step, in which a plurality of raw material powder supply passages, which are provided respectively for each of the plurality of types of powders, are used to pressure-feed the plurality of types of powders to a gap space; a second step, in which the pressure-fed plurality of types of powders are sprayed into the gap space, which has a cross-sectional area larger than the total of the cross-sectional areas (the total cross-sectional area) of the plurality of raw material powder supply passages, thereby mixing the plurality of types of powders and obtaining a mixed powder; and a third step, in which the mixed powder is discharged from a discharge opening provided downstream from the gap space.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/141 - Processes of additive manufacturing using only solid materials
The production method for a rare-earth sintered magnet according to the present disclosure comprises: a step for producing a molded article by compression-molding a slurry containing a rare-earth element-containing alloy powder and a dispersion medium using a wet-molding device; and a step for sintering the molded article. When the slurry is being poured into the inside of a space forming a cavity of the wet-molding device, a magnetic field is not applied. By pressing of the slurry, the dispersion medium contained in the slurry starts to be removed from the inside of the space.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
Conventional thermoelectric conversion elements have a problem such that if a thermoelectric conversion element is increased in size for mass production, the pressure during the sintering under pressure becomes insufficient due to load shortage caused by increase in the area of a surface to be pressurized, so that the thermoelectric conversion element becomes susceptible to relative density deficiency. As a means for solving the problem, the present invention provides a method for producing a thermoelectric conversion element, said method being characterized by comprising: a step for obtaining a mixture by mixing a skutterudite type thermoelectric conversion material powder which contains Sb and a sintering assistant which contains a compound that is composed of Mn and Sb; and a step for sintering the mixture.
The present invention provides an alloy which has resistance to an aluminum alloy in a molten state, and the like. This alloy contains Nb and Mo as a first element group and at least one element selected from among Ta, W, Ti, Hf and Zr as a second element group, wherein: the content range of each element contained therein is from 5 to 35 at% if the total of the first element group and the second element group is taken as 100 at%; and the lattice mismatch with at least one element selected from among Al, Cu and Zn is 13% or more. This alloy has a resistance with a dislocation movement barrier energy of 310 kJ/mol or more.
Provided are: a steel that is for a die and that enables production of a die being for hot working and having both high hardness and high thermal conductivity; a die for hot working; and a manufacturing method for the same. The steel for a hot working die has a compositional makeup containing, in mass%, 0.45-0.65% of C, 0.1-0.6% of Si, 0.1-2.5% of Mn, 1.0-6.0% of Cr, 1.2-3.5% of (Mo+1/2W) where Mo and W are contained independently or in combination, 0.1-0.5% of V, 0.15-0.6% of Ni, 0.1-0.6% of Cu, and 0.1-0.6% of Al, the balance being Fe and inevitable impurities. Further, this die for hot working has said compositional makeup, and this manufacturing method is for manufacturing said die for hot working.
Provided are an Fe-Co-based alloy rod and a method for manufacturing same, whereby excellent magnetic properties can be reliably obtained. The method for manufacturing an Fe-Co-based alloy rod comprises a heating straightening step for applying tensile stress to a hot-rolled material of an Fe-Co-based alloy while heating the hot-rolled material to a temperature of 500-900°C. Preferably, ohmic heating is used as a heating means in the heating straightening step. In addition, the Fe-Co-based alloy rod has 20% or more by area ratio of crystal grains having a grain orientation spread (GOS) value of at least 0.5°.
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
H01F 1/14 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
54.
PRODUCTION METHOD FOR FE-BASED AMORPHOUS ALLOY POWDER
A method for producing an Fe-based amorphous alloy powder, the method comprising: an embrittlement step for heating and embrittling an aggregate body of a foil-shaped Fe-based amorphous alloy; a disintegrating step for roughly fracturing the aggregate body; a screening step for screening the resultant disintegrated bodies for a predetermined size using a screening means to obtain small pieces of the Fe-based amorphous alloy; and a pulverization step for subjecting the small pieces of the Fe-based amorphous alloy to dry pulverization using a pulverization means, wherein the screening means includes a cylindrical body having a large number of through-holes, the cylindrical body is rotated about an axis with the disintegrated bodies placed inside the cylindrical body so that the disintegrated bodies are disintegrated into separate foils, which are in turn divided into small pieces and are caused to pass through the through-holes formed in the cylindrical body.
B22F 9/04 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
Provided is a method for manufacturing a hot-forged member, the method enabling efficient hot forging while preventing defects such as cracks even if a hard-to-work alloy is used as a hot forging material. The method for manufacturing a hot-forged member comprises: a heating step in which an unheated material to be hot-forged is heated to a hot forging temperature in a heating furnace; a heat-resistant insulation bonding step in which heat-resistant insulation is bonded to at least a portion of the surface of the forging material, which has been removed from the heating furnace, to create a hot forging material; and a hot forging step in which any of a mold, an anvil, and a tool is used to compress and mold some or all of the hot forging material into a prescribed shape.
The productivity of an aluminum-based brazing material is poor. This method for producing an aluminum-based brazing material is characterized by including: a step for producing a plating solution containing an Al ion and a Ti ion; and a step for immersing a substrate and electrodes in the plating solution to apply an electric current, thereby forming a first metal layer which comprises 0.01 to 10 at%, inclusive, of Ti and a remainder comprising Al and unavoidable impurities on the substrate.
A black heart malleable cast iron according to one embodiment of the present invention comprises a ferrite matrix and graphite aggregates contained in the matrix, while containing, in terms of the mass ratio, from 50 ppm to 100 ppm of boron and from 65 ppm to 200 ppm of nitrogen. With respect to this black heart malleable cast iron, the crystal grain size number of the matrix is from 8.0 to 10.0, said crystal grain size number being obtained by quantifying the grain size of the matrix by comparing the metal structure photograph thereof with the standard diagram of crystal grain sizes.
The invention provides a production method for an alloy member having mainly high hardness and high resistance to corrosion and produced by a layer stacking shaping method, the alloy member, and a product using the alloy member. The alloy member production method is characterized by comprising: a layer stacking shaping step for forming a shaped member via a layer stacking shaping method using an alloy powder including Co, Cr, Fe, Ni, and Ti elements respectively in a range of between 5 atom% and 35 atom%, and including Mo in a range exceeding 0 atom% to 8 atom%, the remainder being unavoidable impurities; and a heat processing step for holding the shaped member in a temperature range exceeding 500°C to lower than 900°C directly after the layer stacking shaping step without passing through a step for holding the shaped member in a temperature range of between 1,080°C and 1,180°C.
B22F 9/08 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22F 9/20 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from solid metal compounds
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/24 - After-treatment of workpieces or articles
This clad material has a relative permeability not more than 1.001 and includes a first layer (1) formed of pure copper or a first Cu alloy containing 95.0 mass% or more of Cu and a second layer (2) that is bonded to at least one surface of the first layer (1) at a thickness of 1 µm or more and that is formed of a second Cu alloy which is a Cu-Ni alloy containing 5.0-45.0 mass% of Ni.
The present invention provides: a martensitic stainless steel strip which has more excellent fatigue characteristics and mechanical strength than conventional martensitic stainless steel strips; and a production method which is capable of easily producing this martensitic stainless steel strip. A method for producing a martensitic stainless steel strip, said method comprising: a quenching step wherein a steel strip, which contains, in mass%, from 0.3% to 1.2% of C and from 10.0% to 18.0% of Cr and has a thickness of 1 mm or less, is passed through a quenching furnace so as to be heated to a quenching temperature, and is subsequently cooled to a temperature that is not more than the Ms point; a heat retention conveyance step wherein the steel strip, which has been cooled to a temperature that is not more than the Ms point in the quenching step, is conveyed to a tempering furnace, while retaining the temperature of the steel strip so as not to decrease to a temperature less than 80°C; and a tempering step wherein the steel strip, which has been conveyed, while having the temperature thereof retained so as not to decrease to a temperature less than 80°C in the heat retention conveyance step, is passed through the tempering furnace in a non-oxidizing gas atmosphere so as to be heated to a tempering temperature. In addition, a martensitic stainless steel strip which has a residual austenite amount of from 10% by volume to 25% by volume.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/24 - After-treatment of workpieces or articles
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
B22F 5/12 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of tubes or wires
C03C 8/16 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions with vehicle or suspending agents, e.g. slip
A method for manufacturing an R-T-B based sintered magnet according the present disclosure comprises: a step for preparing a coarse ground powder which is made from an alloy for R-T-B based sintered magnets and which has an average particle size of 10-500 μm; a step for obtaining a fine powder having an average particle size of 2.0-4.5 μm, by feeding the coarse ground powder to a jet mill device that has a grinding chamber filled with inert gas and grinding the coarse ground powder; and a step for producing a sintered body of the fine powder, wherein the inert gas has been humidified, and the oxygen content of the R-T-B based sintered magnet is 1000-3500 ppm by mass.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 9/04 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
Provided is a method of manufacturing a ring-rolled element that, despite a main roll of a ring-rolling device being provided with flanges positioned above and below a ring blank, can stabilize the posture of the ring blank, without defects or the like occurring in the obtained ring-rolled element. The ring-rolling device utilized in this method of manufacturing the ring-rolled element is provided with a main roll 10 and a mandrel roll 20. The outer-peripheral surface of the main roll has: a recessed part 12 for accommodating the ring blank and the outer-peripheral surface of the mandrel roll 20; an upper flange 11 located above the recessed part; and a lower flange 13 located below the recessed part. The inner surface of the recessed part has a rolling surface 12S that contacts the outer peripheral surface of the ring blank, an upper surface on the upper flange side, and a lower surface 13S on the lower flange side; and the lower surface 13S has a gradient such that the opening of the recessed part 12 widens. The gradient starts within the range from the line intersection between the lower surface 13S and the rolling surface 12S, to a distance equivalent to the thickness of the ring-rolled element. The angle of the gradient is more than 0.3° and 9° or less with a perpendicular plane serving as a reference standard.
Mass flow controllers and methods for controlling mass flow controllers are disclosed. One method includes providing a process gas through a flow sensor of the mass flow controller, obtaining a gas-adjusted sensitivity coefficient for the flow sensor, and obtaining gas-adjusted nonlinearity data for the flow sensor. The method also includes producing gas-adjusted characterization data for the flow sensor using the gas-adjusted sensitivity coefficient and the gas-adjusted nonlinearity data. A flow value from the gas-adjusted characterization data is obtained using a flow sensor signal from the flow sensor, and the flow value is used along with a setpoint signal to control a valve of the mass flow controller.
G01F 25/00 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
G05D 7/06 - Control of flow characterised by the use of electric means
G01F 1/00 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
G01F 1/68 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
65.
METHOD FOR PRODUCING NICKEL-BASED ALLOY PRODUCT OR TITANIUM-BASED ALLOY PRODUCT
Provided is a method for producing a Ni-based or Ti alloy product, the method being capable of locally increasing the cooling rate and performing effective cooling. This method for producing a Ni-based alloy or Ti alloy product includes a cooling step in which a hot-worked material, which is made of a Ni alloy or Ti alloy and has been subjected to hot working, is processed in a predetermined shape in advance and heated and retained at a solid-solution treatment temperature to obtain a heat-retention material, and the heat-retention material is cooled to obtain a solid-solution-treated material, wherein in the cooling step, a flow path forming member having a space for forming a fluid flow path is arranged on the surface of the heat-retention material to form the fluid flow path formed by the surface of the heat-retention material and the inner surface of the space of the flow path forming member, and a fluid is made to flow through the fluid flow path formed between the flow path forming member and the heat-retention material and the fluid in the flow path locally cools the surface portion of the heat-retention material.
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
C22F 1/18 - High-melting or refractory metals or alloys based thereon
C21D 1/00 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
66.
MANUFACTURING METHOD FOR NICKEL-BASE ALLOY PRODUCT OR TITANIUM-BASE ALLOY PRODUCT
Provided is a manufacturing method for a nickel-base alloy product or a titanium-base alloy product with which is possible to perform local cooling with certainty and perform effective cooling. A manufacturing method for a nickel-base alloy product or a titanium-base alloy product characterized by including: a heating/holding step for heating/holding a hot working material of a nickel-base alloy or a titanium-base alloy at a solid-solution processing temperature after hot forging or heat ring rolling so as to form a heating/holding material; and a cooling step for cooling the heating/holding material so as to form a solid-solution processing material, wherein, in the cooling step, local cooling is performed by bringing a cooling member into contact with a part of a surface of the heating/holding material.
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
C22F 1/18 - High-melting or refractory metals or alloys based thereon
C21D 1/00 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
67.
FOIL FOR NEGATIVE-ELECTRODE CURRENT COLLECTOR OF SECONDARY CELL
This foil (negative-electrode current collector foil 5b) for a negative-electrode current collector of a secondary cell is such that a first Cu layer (51) configured from Cu or a Cu base alloy, a stainless steel layer (52), and a second Cu layer (53) configured from Cu or a Cu base alloy are positioned in the stated order, and moreover is such that the total thickness is 200 μm or less and the 0.01% bearing force is 500 MPa or higher.
11=log(d20)-log(d80), which is the difference between the logarithm of the fine pore diameter d20 at which 20% is obtained and the logarithm of the fine pore diameter d80 at which 80% is obtained, is not more than 0.45.
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
B01D 39/00 - Filtering material for liquid or gaseous fluids
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
C04B 38/06 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
69.
CENTRIFUGALLY CAST COMPOSITE ROLL FOR HOT ROLLING USE
A centrifugally cast composite roll for hot rolling use, comprising an outer layer and an inner layer which are integrated with each other by fusion bonding, wherein: the outer layer comprises a Fe-based alloy having a chemical composition containing, in terms of mass-based contents, 2.6 to 3.6% of C, 0.1 to 3% of Si, 0.3 to 2% of Mn, 2.3 to 5.5% of Ni, 0.5 to 3.2% of Cr, 0.3 to 1.6% of Mo, 1.8 to 3.4% of V and 0.7 to 2.4% of Nb, wherein the requirement represented by the formula: 1.4 ≤ V/Nb ≤2.7 is satisfied, the V equivalent (Veq = V+0.55Nb) is 2.60 to 4% by mass, and the remainder is made up by Fe and impurities; and the inner layer comprises an iron-based alloy.
B21B 27/00 - Rolls; Lubricating, cooling or heating rolls while in use
B22D 13/02 - Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
B22D 19/16 - Casting in, on, or around, objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
AIRTIGHT CONNECTION UNIT, AIRTIGHT CONNECTION ASSEMBLY, AIRTIGHT CONTAINER AND VAPORIZER, AS WELL AS METHOD FOR MANUFACTURING AIRTIGHT CONNECTION ASSEMBLY
In this airtight connection assembly comprising: a conduction member that configures a signal or fluid passageway; a sealing unit that includes a first sealing member having a shape for which it is possible to cover a first hole formed on a partition wall of an airtight container and a sealing material; and a connection part that includes a connector connected to either one or both end parts of the conduction member; a second hole which is a through hole formed to connect the interior of the airtight container and the outside is formed on the first sealing member, the conduction member is individually inserted in the second hole, and the sealing material is filled between the conduction member and the inner peripheral wall of the second hole. This makes it possible to transfer electrical signals, etc., between the interior of the airtight container and the outside while maintaining the airtightness of the airtight container using a simple configuration. It is also possible to further comprise a coupling member that couples the connector and the first sealing member, fixing the positional relationship of the connector and the first sealing member. It is also possible to further comprise a second sealing member that surrounds the first hole and is interposed between the partition wall and the first sealing member.
H01L 23/04 - Containers; Seals characterised by the shape
F02M 19/00 - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF - Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups
H01R 9/16 - Fastening of connecting parts to base or case; Insulating connecting parts from base or case
H01R 43/20 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
The purpose of the present invention is to provide a Zr-Nb-based alloy material serving as a low-magnetic-susceptibility alloy that has high corrosion resistance while maintaining a magnetic susceptibility equal to or lower than that of conventional alloys for living bodies, a method for manufacturing the aforementioned alloy, and a Zr-Nb-based alloy product. The Zr-Nb-based alloy material according to the present invention is characterized by: having a chemical composition that includes 3-18 mass% (inclusive) of Nb, 12 mass% or less of Ti, 6 mass% or less of Cr, 6 mass% or less of Cu, and 5 mass% or less of Bi, the balance being Zr and unavoidable impurities; and being such that isothermal ω-phase particles are dispersively precipitated in β-phase crystal grains of a parent phase.
STATOR FOR ROTATING ELECTRICAL MACHINE, ROTATING ELECTRICAL MACHINE, METHOD FOR MANUFACTURING STATOR FOR ROTATING ELECTRICAL MACHINE, AND METHOD FOR MANUFACTURING ROTATING ELECTRICAL MACHINE
Provided are: a rotating electrical machine having excellent characteristics and reliability, and including a stator in which second iron core portions, which are stacked bodies comprising an amorphous soft magnetic metal or a nanocrystalline soft magnetic metal, are disposed in a first iron core portion, which is a stacked body comprising electrical steel plates; the stator for the rotating electrical machine; a method for manufacturing the stator for the rotating electrical machine; and a method for manufacturing the rotating electrical machine. This stator for a rotating electrical machine is characterized by including an annular first iron core portion, which is a stacked body comprising electrical steel plates, and second iron core portions, which are stacked bodies comprising an amorphous soft magnetic metal or a nanocrystalline soft magnetic metal, wherein: the annular first iron core portion includes a plurality of tooth portions which project toward the inner circumferential side and around which a coil is wound, and first groove portions formed within each tooth portion from an outer circumferential surface; and the second iron core portions are arranged in the first groove portions.
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 15/02 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Provided are: a method for producing an alloy member that is fabricated by additive manufacturing and has increased mechanical strength and ductility as well as higher corrosion resistance; and the alloy member produced from this method. The alloy member production method comprises: an additive manufacturing step for forming a molded member by additive manufacturing using an alloy powder containing each of Co, Cr, Fe, Ni, and Ti in the range of 5-35 atom% and Mo in the range of greater than 0 atom% and 8 atom% or less, the balance comprising unavoidable impurities; a heat treatment step for raising the temperature of the molded member through heating, and holding the molded member in the temperature range of 1080-1180°C; and a forced cooling step for cooling the molded member after the heat treatment in the temperature range from the holding temperature to 800°C at a cooling rate of 110-2400°C/min.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/24 - After-treatment of workpieces or articles
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/16 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
100-X-YXYY (wherein 5 ≤ X ≤ 40, 1 ≤ Y ≤ 15) in terms of atomic ratios, with the remainder made up by unavoidable impurities, wherein a FeW phase is dispersed in a matrix phase comprising NiW. In the target, it is more preferred that there are less than one FeW phase having an inscribed circle diameter of 400 μm or more and less than one W phase having an inscribed circle diameter of 15 μm or more per 0.12 mm2.
Provided are: steel for knives, having a higher hardness and better corrosion resistance than conventional steel for knives; a knife; steel for martensitic knives; and a production method for same. The steel for knives comprises a component composition containing, in mass%, 0.45%–1.00% C, 0.1%–1.5% Si, 0.1%–1.5% Mn, 7.5%–11.0% Cr, and 0.5%–3.0% of either Mo or W or a complex of both (Mo + W/2), with the remainder being Fe and unavoidable impurities. Also provided are steel for martensitic knives and a knife. A production method for steel for martensitic knives is also provided that includes a quenching temperature at quenching of 1,050–1,250°C, a processing temperature for subzero processing of no more than –50°C, and a tempering temperature at tempering of 100–400°C, and obtains steel for martensitic knives that has a hardness of at least 700 HV.
C21D 9/18 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for knives, scythes, scissors, or like hand cutting tools
C22C 38/22 - Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C21D 9/46 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
76.
Ni-BASED ALLOY, Ni-BASED ALLOY POWDER, NI-BASED ALLOY MEMBER, AND PRODUCT PROVIDED WITH Ni-BASED ALLOY MEMBER
Provided are a Ni-based alloy that can be melted and solidified and that has superior corrosion resistance and abrasion resistance, a Ni-based alloy powder, a Ni-based alloy member, and a product provided with the Ni-based alloy member. This Ni-based alloy having superior corrosion resistance and abrasion resistance contains, in mass%, 8.5-23.0% of Cr, 8.5-27.0% of Mo, 0.5-2.5% of Ta, 15.0-51.0% of W, and 1.0-3.5% of C, the remaining portion being Ni and unavoidable impurities, wherein the mass ratio Ni : Cr : Mo of Ni, Cr, and Mo is 2.5 to 3.5 : 1 : 1.0 to 1.5.
In the case of manufacturing a thermoelectric conversion module using a paste including metal nanoparticles, it is difficult to apply the paste onto a thermoelectric conversion element in a controlled amount due to effects of specific fluid properties such as thixotropy, and it is difficult to obtain high output density as a thermoelectric conversion module due to an open circuit, a short circuit, or the like. This method is for manufacturing a thermoelectric conversion module in which a first conductive member, a thermoelectric conversion element, a second conductive member are joined by joining members, the method comprising: a step for, after applying on the first conductive member a first paste including metal particles, disposing the thermoelectric conversion element on the first paste, and compressing and spreading the first paste; a step for disposing the second conductive member, after applying a second paste including metal particles in a controlled amount, on the thermoelectric conversion element, and compressing and spreading the second paste; and a step for sintering the first and the second pastes to obtain joining members.
H01L 35/34 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
B22F 7/08 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
H01L 35/08 - Structural details of the junction; Connections of leads non-detachable, e.g. cemented, sintered, soldered
H02N 11/00 - Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
78.
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES, METHOD FOR PRODUCING SAME, AND LITHIUM ION SECONDARY BATTERY
1+abcde2+α2+α. (In formula (1), M represent at least one element selected from among Al and Mn; X represents one or more metal elements other than Li, Ni, Co, Al and Mn; and a, b, c, d, e and α respectively represent numbers satisfying -0.04 ≤ a ≤ 0.04, 0.80 ≤ b ≤ 1.0, 0 ≤ c ≤ 0.15, 0 ≤ d ≤ 0.20, 0 ≤ e ≤ 0.05, (b + c + d + e) = 1 and -0.2 < α < 0.2.) With respect to this positive electrode active material for lithium ion secondary batteries, the residual lithium hydroxide amount (L1) of the positive electrode active material as calculated by neutralization titration is 0.8% by mass or less; and the ratio of the residual lithium hydroxide amount (L2) of the positive electrode active material as calculated by neutralization titration after being compressed under the pressure of 160 MPa to L1, namely L2/L1 is 1.10 or less.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
Mass flow controllers and methods for correcting flow inconsistencies associated with parasitic flow of a fluid in mass flow controllers are disclosed. A method includes obtaining a pressure measurement signal of the fluid generated by a pressure sensor and receiving a flow sensor signal of the fluid generated by a flow sensor. An estimated parasitic flow signal is generated using the pressure measurement signal, and the flow sensor signal is accelerated to produce an accelerated flow sensor signal with a bandwidth that is comparable to that of the estimated parasitic flow signal. A corrected flow signal is generated using the accelerated flow sensor signal and the estimated parasitic flow signal to control the mass flow controller.
100-X-Y-ZXYZZ, wherein 15 ≤ X + Y ≤ 35, 0.3 ≤ X/Y ≤ 2.0, 1 ≤ Z ≤ 20 and the balance inevitable impurities, and has an average Vickers hardness value of 200 to 1,100 HV as measured at five measurement points. The Vickers hardness is preferably in the range of 500 to 1,000 HV.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
H01F 1/147 - Alloys characterised by their composition
H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 41/18 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by cathode sputtering
1-a-bab100-X-Y-ZXYZZ, wherein a ≤ 0.95, b ≤ 0.30, 15 ≤ X + Y ≤ 35, 0.3 ≤ X/Y ≤ 2.0, 1 ≤ Z ≤ 20 and the balance inevitable impurities, and has an average Vickers hardness value of 250 to 1,100 HV as measured at five measurement points. The Vickers hardness is preferably in the range of 500 to 1,000 HV.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
H01F 1/147 - Alloys characterised by their composition
H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 41/18 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by cathode sputtering
100-X-Y-Z-aXYZaa in terms of atomic ratio, where 15≤X+Y≤35, 0.3≤X/Y≤2.0, 1≤Z≤20, 0<a≤20, and M is at least one element selected from the group consisting of Al, Ti, V, Cr, Mn, Cu, Zr, Mo, W, and C, with the remainder comprising inevitable impurities, and has an average Vickers hardness value of 300-1100 HV as measured at 5 measurement points. The Vickers hardness is preferably in the range of 500-1000 HV.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
H01F 1/147 - Alloys characterised by their composition
H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 41/18 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by cathode sputtering
83.
WC-BASED SUPER-HARD ALLOY POWDER, WC-BASED SUPER-HARD ALLOY MEMBER, AND METHOD FOR PRODUCING WC-BASED SUPER-HARD ALLOY MEMBER
Provided are: a WC-based super-hard alloy powder capable of producing a WC-based super-hard alloy member having high thermal conductivity and high abrasion resistance; a WC-based super-hard alloy member; and a method for producing WC-based super-hard alloy member. This WC-based super-hard alloy powder is characterized by containing WC, Cu and at least one of Co, Fe and Cr, with the content of WC being 40 mass% or more, and the content of at least one of Co, Fe and Cr being not less than 25 mass% and less than 60 mass%, and is characterized in that the ratio a/b satisfies the relationship 0.070 ≤ a/b ≤ 1.000, where a denotes the content of Cu and b denotes the content of at least one of Co, Fe and Cr.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 1/05 - Mixtures of metal powder with non-metallic powder
Provided are a magnetic wedge having high electrical resistance and bending strength, a rotating electrical machine employing the same, and a method for manufacturing the magnetic wedge. This magnetic wedge includes a plurality of Fe-based soft magnetic particles, wherein the plurality of Fe-based soft magnetic particles contain an element M that is more readily oxidized than Fe, and are bound using an oxide phase including the element M.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
B22F 3/24 - After-treatment of workpieces or articles
H01F 1/147 - Alloys characterised by their composition
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H02K 15/04 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
This ceramic honeycomb filter which is provided with a plurality of flow passages partitioned by porous partition walls, and in which a fluid introduced from one end is discharged from the other end, wherein: the plurality of flow passages comprise inflow flow passages each having one open end and the other being a closed end, and outflow flow passages each having one closed end and the other being an open end; and in the cross-section perpendicular to the longitudinal direction of the flow passages, (a) the cross-sectional area of the inflow passages is greater than the cross-sectional area of the outflow passages, (b) the cross-section of each of the inflow and outflow passages is an octagons that is formed by cutting four corners of a square and is four-time rotationally symmetrical, (c) the inflow and outflow passages are arranged alternately in a first direction and a second direction perpendicular to the first direction and disposed so that facing sides are parallel to each other, (d) the opening ratio of the inflow passage is 45-60%, (e) the number of the flow passages is 30-60 pieces/cm2, (f) the thickness t1 of the partition wall between the inflow passages and the adjacent outflow passages is 0.150-0.260 mm, and (g) the thickness t2 of the partition wall between the inflow passages and the adjacent inflow passages satisfies 1.175
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
86.
HEAT DISSIPATION PLATE AND METHOD FOR MANUFACTURING HEAT DISSIPATION PLATE
An objective of the present invention is to provide a heat dissipation plate and method for manufacturing the same enabling the heat dissipation plate to have suitable low-thermal expansion characteristics while mitigating anisotropy of the thermal conductivity in the planar directions (length direction, width direction) and the thickness direction. This heat dissipation plate is formed from a high thermal conductivity section formed from a high thermal conductivity material and a plurality of low thermal expansion sections formed from a low thermal expansion material, and the plurality of low thermal expansion sections are respectively positioned consecutively in a line along the longitudinal direction of the high thermal conductivity material and so as to be in a mutual non-contact state in the longitudinal direction, the width direction, and the thickness direction of the high thermal conductivity section. This heat dissipation plate can be created by a manufacturing method which involves: positioning low thermal expansion sections (a plurality of core materials) consecutively in a line along the longitudinal direction of a high thermal conductivity section and so as to be in a mutually non-contact state in the longitudinal direction, the width direction, and the thickness direction of the high-thermal conductivity section to produce a composite wire thread material; flattening the composite wire thread material to obtain a composite wire material; and furthermore, rolling the composite wire material and shaping the same into a plate shape.
H01L 23/373 - Cooling facilitated by selection of materials for the device
B21B 1/38 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
87.
INSPECTION DEVICE, INSPECTION METHOD, POSITIONING METHOD, AND PROGRAM
This inspection device 1 comprises: a robot arm 31 for gripping that grips an inspection target object 7; a camera 43; a measurement position calculation unit 142 that calculates a measurement position 10 for the camera 43 relative to the inspection target object 7, on the basis of shape data 8 for the inspection target object 7; a trajectory generation unit 143 that generates a trajectory for the robot arm 31 for gripping, on the basis of the measurement position 10; a robot control unit 13 that controls the action of the robot arm 31 for gripping, on the basis of the trajectory, and positions the inspection target object 7; a measurement unit 15 that, after positioning, uses the camera 43 and measures the inspection target object 7; and an inspection unit 16 that inspects the inspection target object 7 on the basis of the measured data.
Provided is an Fe-based amorphous alloy ribbon having reduced core loss under conditions of a magnetic flux density of 1.45 T. One embodiment of the present disclosure is an Fe-based amorphous alloy ribbon. At least one surface of this Fe-based amorphous alloy ribbon has multiple laser irradiation marks that are linear and consecutive. The linear laser irradiation marks are disposed along the direction perpendicular to the casting direction of the Fe-based amorphous alloy ribbon. The linear laser irradiation marks have surface irregularities and when the irregularities are evaluated in the casting direction, the difference HL between the highest point and the lowest point in the direction of thickness of the Fe-based amoprhous alloy ribbon is 0.25 to 2.0 µm.
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
C21D 8/12 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
C22C 45/02 - Amorphous alloys with iron as the major constituent
H01F 27/245 - Magnetic cores made from sheets, e.g. grain-oriented
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
89.
FE-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREFOR, IRON CORE, AND TRANSFORMER
Provided is an Fe-based amorphous alloy ribbon having reduced iron loss in magnetic flux density conditions of 1.45 T, little deformation, and high productivity. This Fe-based amorphous alloy ribbon has a first surface and a second surface. The Fe-based amorphous alloy ribbon has a plurality of continuous linear laser irradiation marks on at least the first surface. The linear laser irradiation marks are provided in a direction orthogonal to the casting direction of the Fe-based amorphous alloy ribbon. The linear laser irradiation marks have uneven surface and, when the unevenness is evaluated from the casting direction, the height difference HL × width WA is 6.0–180 µm2, as calculated from the height difference HL between the highest point and the lowest point in the thickness direction of the Fe-based amorphous alloy ribbon and the width WA, which is the length of the linear laser irradiation marks, in the casting direction, on the first surface.
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
C21D 8/12 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
C22C 45/02 - Amorphous alloys with iron as the major constituent
H01F 27/245 - Magnetic cores made from sheets, e.g. grain-oriented
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
90.
COPPER COMPOSITE PLATE MATERIAL, VAPOR CHAMBER IN WHICH COPPER COMPOSITE PLATE MATERIAL IS USED, AND METHOD FOR MANUFACTURING VAPOR CHAMBER
There is provided a copper composite plate material in which: one surface of a first copper layer is pressure-welded to a second copper layer; the first copper layer is configured from a precipitation-strengthened copper alloy; and the second copper layer is configured from pure copper in which the Cu content is 99.9 mass% or higher, or is configured from a non-precipitation-strengthened copper alloy in which the Si content is less than 0.1 mass%.
B23K 20/00 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
C22C 9/06 - Alloys based on copper with nickel or cobalt as the next major constituent
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/08 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
91.
STEEL FOR HOT STAMP DIE, HOT STAMP DIE AND MANUFACTURING METHOD THEREOF
A die steel which enables manufacturing a hot stamp die that has both high hardness and high thermal conductivity, a hot stamp die, and a manufacturing method thereof are provided. This steel for a hot stamp die has a component composition, in mass% of 0.45-0.65% C, 0.1-0.6% Si, 0.1-0.3% Mn, 2.5-6.0% Cr, 1.2-2.6% Mo, and 0.4-0.8% V, the remainder being Fe and unavoidable impurities. Further, this hot stamp die has the aforementioned component composition, and the manufacturing method is for manufacturing said hot stamp die.
The present invention provides: an Fe-Al-based vibration-damping component containing little solidification defects, exhibiting good vibration-damping performance even in the presence of remaining solidification defects, and having an irregular cross-sectional shape; and a method for manufacturing the vibration-damping component. The Fe-Al-based alloy vibration-damping component comprises 4.0-12.0% by mass of Al with the balance Fe and inevitable impurities, has an average crystal grain size in the range of over 700 µm to 2,000 µm, has a cross-sectional defect rate of lower than 0.1%, and has an irregular cross-sectional shape. In the Fe-Al-based alloy vibration-damping component and the method for manufacturing the vibration-damping component, the method is for obtaining the vibration-damping component having an irregular cross-sectional shape and includes a shaping step in which a metal powder comprising 4.0-12.0% by mass of Al with the balance Fe and inevitable impurities is melted using a heat source set to a scanning rate of 700-1,700 mm/second and is solidified to obtain a shaped product and an annealing step in which the shaped product is annealed at a temperature of 800-1200°C.
The present invention provides a method for producing an alloy strip laminate, the method comprising: a step for forming cracks in an alloy strip by directly applying an external force to the alloy strip in a first laminate member comprising an adhesive layer and said alloy strip, to obtain a first laminate having the adhesive layer and the alloy strip having the cracks formed therein; a step for forming cracks in an alloy strip by directly applying an external force to the alloy strip in a second laminate member comprising an adhesive layer and said alloy strip, to obtain at least one second laminate having the adhesive layer and the alloy strip having the cracks formed therein; and a step for laminating said at least one second laminate on the first laminate so as to obtain an alloy strip laminate in which the adhesive layers and the alloy strips having the cracks formed therein are alternately laminated. The present invention also provides an apparatus for producing such an alloy strip laminate.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
94.
PRODUCTION METHOD FOR NANOCRYSTALLINE ALLOY RIBBON HAVING RESIN FILM
The present disclosure provides a production method that is for a nanocrystalline alloy ribbon having a resin film and that comprises a step for preparing a nanocrystallizable amorphous alloy ribbon, a step for performing a thermal treatment for nanocrystallization of the amorphous alloy ribbon with a tension exerted on the amorphous alloy ribbon, to obtain a nanocrystalline alloy ribbon, and a step for causing the nanocrystalline alloy ribbon to be held on the resin film with an adhesive layer therebetween.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
95.
FORGING DEVICE, AND METHOD FOR MANUFACTURING FORGED PRODUCT
The objective of the present invention is to provide a forging device and a method for manufacturing a forged product in which a decrease in the temperature of a forging space and the temperature of forging stock is prevented, uniformity of the temperature of upper and lower dies is maintained efficiently, and forging operational efficiency is improved. In this forging device and method for manufacturing a forged product, upper and lower dies are heated by means of a heating mechanism inside a housing in a state in which an introduction port of an integrally formed housing main body is closed by a door, the upper and lower dies are moved relative to one another in the facing direction thereof, and the heating mechanism is moved relative to at least one of the upper and lower dies, which are moving relative to one another, in the facing direction thereof, thereby subjecting the forging stock to forging between the upper and lower dies. In addition, in the method for manufacturing a forged product, the forged product is manufactured from the forging stock.
Provided are a Ni-based super-heat-resistant alloy for stably obtaining high tensile strength and a method for manufacturing the same. Provided are: a Ni-based super-heat-resistant alloy that has a compositional makeup including, in mass%, not more than 0.10% of C, not more than 0.5% of Si, not more than 0.5% of Mn, not more than 0.05% of P, not more than 0.050% of S, not more than 45% of Fe, 14.0-22.0% of Cr, not more than 18.0% of Co, not more than 8.0% of Mo, not more than 5.0% of W, 0.10-2.80% of Al, 0.50-5.50% of Ti, not more than 5.8% of Nb, not more than 2.0% of Ta, not more than 1.0% of V, not more than 0.030% of B, not more than 0.10% of Zr, and not more than 0.005% of Mg, the balance being Ni and unavoidable impurities, and that has a grain orientation spread (GOS) of not less than 0.7°, the GOS being an intra-grain misorientation parameter measured by the SEM-EBSD method; and a method for manufacturing the Ni-based super-heat-resistant alloy.
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Provided is a retainer (102) that enables the length of a flexible pipe (200) in an insertion direction to be reduced, and that is able to engage the flexible pipe without requiring operation of another member. This retainer is an annular retainer used in a pipe joint, and comprises a plurality of hook parts (102n, 102nB) for entering a valley portion of a corrugated pipe of a flexible pipe inserted into a pipe joint, a plurality of support parts (102s, 102sB) which are for contacting an inner surface of a pipe joint main body accommodating the retainer in the pipe joint, and which are connected to respective hook parts in the center axis direction of the circle of the retainer, and a connecting part (102c, 102cB) connecting the plurality of pairings of the hook parts and support parts connected to each other. The connecting part is provided so as to undergo elastic deformation more readily than the hook parts and the support parts.
F16L 37/12 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members using hooks, pawls, or other movable or insertable locking members
F16L 33/00 - Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
F16L 33/26 - Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses made of metal
Provided is a novel V alloy target in which, during machining of the target, unevenness in the target surface can be reduced, abnormal electrical discharge during film formation can be reduced, and a reduction in droplet adhesion on a material to be treated can also be achieved. This V alloy target is formed of V and Mo, has an average Vickers hardness value of 250-350 HV on the erosion surface thereof, and has a variation in Vickers hardness, measured at five measurement points, of no more than 20%, the Vickers hardness preferably being in the range of 270-340 HV and the V alloy target more preferably containing 10-50 at% of Mo and comprising V and unavoidable impurities as the remainder thereof.
Provided is a novel V alloy target, wherein the occurrence of irregularities on the surface of the target can be suppressed during the machining of the target, and the deposition of droplets on workpieces can be suppressed while the occurrence of abnormal discharge is suppressed during film formation. The V alloy target is composed of V and W, wherein the average value of Vickers hardness on an erosion surface is in the range of 340-750 HV, and the variation in Vickers hardness measured at 5 measurement points is 20% or less. Preferably, the V alloy target has a Vickers hardness in the range of 350-710 HV, and more preferably contains 10-50 at% of W with the remainder comprising V and inevitable impurities.
In this method for manufacturing a welded pipe by bending a stainless steel strip having a thickness of 0.15 mm or more and 0.45 mm or less while conveying the stainless steel strip in one direction, to form a pipe, and welding abutting portions of the formed pipe by irradiating the same with a laser beam while applying compressive stress thereto by means of a set of squeeze rollers: the laser beam irradiation position is on the upstream side, in the pipe conveying direction, of the position of an axis of rotation of the squeeze rollers; the size of the spot diameter of the laser beam at the laser beam irradiation position is at least equal to 0.60 mm and at most equal to 1.2 mm; and an inert gas is blown from a gas nozzle onto the abutting portions irradiated by the laser beam.