A wrought 6000-series aluminum alloy material which is suppressed in weld cracking even in cases where high-speed welding is performed by means of laser welding or the like; a welded body which contains the wrought aluminum alloy material; and an efficient welding method for the wrought aluminum alloy material. A wrought aluminum alloy material for welding, the wrought aluminum alloy material being characterized in that: the Si content is not less than 0.3% by mass but less than 2.0% by mass; the Mg content is not less than 0.3% by mass but less than 2.0% by mass; a surface active element which decreases the surface tension of molten aluminum is contained therein; the surface active element is at least one of Sr, Ca, Sb, Li and Ba; and the content of the surface active element is from 0.04% by mass to 0.50% by mass.
The present invention provides a nickel-plated aluminum member (plated member) which has improved uniformity and adhesion of plating and can be produced through a pretreatment for plating performed by a dry process. The present invention provides a plated member which is obtained by forming a nickel plating film on an aluminum base material that is formed of aluminum or an aluminum alloy, and which comprises, on the surface of the aluminum base material, an aluminum member that sequentially comprises, in the following order, a hydrophilic primer layer comprising at least one film that is selected from the group consisting of an oxide hydrate film containing aluminum oxide hydrate and an oxide film containing aluminum oxide, and a catalyst layer containing a plating catalyst that is composed of a metal or a metal oxide, and the nickel plating film that is formed on the catalyst layer of the aluminum member. The aluminum base material, on the surface of which the hydrophilic primer layer is formed, has a surface roughness Rz of 3 µm to 15 µm.
The present invention provides an aluminum alloy screw that uses 6000 series aluminum suitable for recycling, that has sufficient mechanical properties, and that can be used for fastening, with respect to automobile parts or the like, which is subjected to loads and is required to be highly reliable. Also provided are: a simple and efficient method for producing this aluminum alloy screw; and an aluminum allow screw material that can be suitably used in said production. The aluminum alloy screw according to the present invention is characterized by containing 0.9-1.3 wt% Si, 0.8-1.5 wt% Cu, 0.8-1.2 wt% Mg, 0.2-0.4 wt% Cr, 0.15-0.45 wt% Mn, 0.005-0.05 wt% Ti, with the remainder including Al and unavoidable impurities, where the tensile properties of the screw shaft section is such that the tensile strength is 460 MPa or more, the 0.2% yield strength is 380 MPa or more, and the breaking elongation is 10% or more.
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
C22F 1/057 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
The present invention is characterized by comprising a welding step for welding components for welding, by causing a rotating tool (F) to move along a movement route set on the components for welding. The invention is also characterized in that: the movement route is set up so as to have a first movement route where movement of the rotating tool (F) friction-stirs the components for welding to form a plasticized region, and a second movement route where, with the rotating tool (F) having been inserted from the same side as for the first movement route, movement of the rotating tool F friction-stirs the components for welding and plastically re-fluidizes a portion of the plasticized region (W(Wa)) formed with the first movement route; and in the second movement route, the insertion depth of the rotating tool (F) when the rotating tool (F) is plastically re-fluidizing is deeper than the insertion depth of the rotating tool (F) when the plasticized region (W(Wa)) is being formed along the first movement route.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
Provided is an extrusion die for molding a patterned product, the extrusion die being capable of continuously forming arbitrary uneven patterns on different surfaces of a product member having a hollow part. The extrusion die comprises: an upper die 10 having a mandrel 13 with an inside bearing part 15 for molding a hollow shape in a thermoplastic member; an intermediate die 20 having an outside bearing part 25 for molding an outer shape of the thermoplastic member; and a lower die 30 that supports the upper die via the intermediate die. The lower die comprises: a first lower die 31 having a first pattern forming tool 40A and a second pattern forming tool 40B; and a second lower die 37 that is connected to the first lower die to secure the second pattern forming tool. Each of the first pattern forming tool 40A and the second pattern forming tool 40B rotates along with movement of a product member 3 molded by the bearing parts. The first pattern forming tool 40A forms a pattern on at least one of opposing surfaces of the product member. The second pattern molding tool 40B forms a pattern on at least one of opposing surfaces different from the surface of the product member on which the pattern has been formed.
Iota-alumina is produced by a simple and low-temperature process. This method for producing iota-alumina has: a reaction step for mixing a solid starting material comprising an alkali metal compound, a fluoride, and at least one material selected from aluminum compounds and aluminum, and carrying out a heat treatment; and a washing step for introducing the product produced in the reaction step into a polar solvent.
Provided is an aluminum member including: a substrate formed of aluminum or an aluminum alloy. The aluminum member includes an anodic oxide coating that includes a barrier layer in contact with a surface of the substrate, a first porous layer in contact with a surface of the barrier layer on an opposite side to the substrate, and a second porous layer in contact with a surface of the first porous layer on an opposite side to the barrier layer and including multiple pores aligned and linearly extending from a surface in contact with the first porous layer toward an exposed surface. The first porous layer includes at least one of: multiple branching pores; or multiple pores having an average pore diameter larger than that of the second porous layer.
The present invention provides an aluminum molded body having high thermal conductivity as well as higher strength than a rolled material, and a method for producing the aluminum molded body. More specifically, provided are an aluminum molded body having a thermal conductivity of 180 W/mK or higher and higher strength than a rolled material of the same composition, and a method with which it is possible to efficiently produce the aluminum molded body even when the shape thereof is complex. An aluminum layered molded body obtained by molding through an additive manufacturing method according to the present invention is characterized in that: an aluminum material containing 0.001-2.5 mass % of a transition metal element that forms a eutectic with Al, the balance being Al and unavoidable impurities, is used as a raw material; and the thermal conductivity is 180 W/mK or higher.
A method for manufacturing a joined body by performing friction stir welding of joint members using a rotating tool (F) that has a stirring pin (F2) in which a helical groove is formed, said method being characterized by comprising, in order: an insertion step in which the stirring pin (F2) is inserted into the joint members while the rotating tool (F) is rotated in the same direction as the direction of formation of the helical groove; a change step in which the direction of rotation of the rotating tool (F) is changed so that the same is rotated in the opposite direction from the direction of formation of the helical groove; and a joining step in which the joint members are joined while the rotating tool (F) is rotated in the opposite direction from the direction of formation of the helical groove.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
A rotary tool used in a joining device that performs friction stir welding of a joint member. The rotary tool includes: a main body having a fixed unit attached and secured to the joining device, and a rotary shaft for transmitting a rotary force from the joining device; a stirring member that has a stirring pin inserted into the joint member to perform friction stirring on the joint member, that is arranged so as to be rotatable by receiving the rotary force from the rotary shaft, and that is provided on the main body so as to be movable relative to an axial direction of the rotary shaft; and an elastic member that biases the stirring member toward a distal-end side relative to the axial direction of the rotary shaft.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The present invention aims to provide a joining method that can prevent poor joining. The present invention provides a joining method including: a measuring step that measures a height near a joint portion, which serves as a part for joining formed by a first metal member and a second metal member placed in a positional relationship for joining by abutting or overlapping, and obtains measured values; a setting step that sets a height position of a rotating tool based on the measured values obtained by the measuring step; and a friction stir step that relatively moves the turning rotating tool along the joint portion based on the height position set by the setting step.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The present invention is characterized by including a primary joining process to perform friction stirring to a first butted portion by moving a stirring pin one round around a sealing body with a predetermined depth along a set moving track set at an inner position relative to an outer peripheral side face in a state that only the stirring pin of a rotary tool being rotated is inserted into the sealing body and that an outer circumferential face of the stirring pin is slightly in contact with a step side face of a peripheral wall step portion. In the primary joining process, after only the stirring pin being rotated is inserted into a starting position set at a position on an inner side relative to the set moving track, the stirring pin is gradually inserted to the predetermined depth while an axis of the rotary tool is moved to a position on the set moving track.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
13.
PELLICLE FRAME, PELLICLE AND EXPOSURE ORIGINAL PLATE WITH PELLICLE, METHOD FOR PRODUCING PELLICLE FRAME, LIGHT EXPOSURE METHOD, METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY PLATE
The present invention relates to a pellicle frame constituting a pellicle for photolithography, wherein the pellicle frame is made of pure titanium or a titanium alloy and the surface thereof is subjected to a mechanical polishing process, an electrolytic degreasing process, and a chemical polishing process. Thus, provided are: a pellicle frame in which the amount of dust particles remaining on the surface is reduced; and a method for producing a pellicle frame.
G03F 1/64 - Pellicles or pellicle assemblies, e.g. having membrane on support frame; Preparation thereof characterised by the frames, e.g. structure or material thereof
A rotary tool includes: a main body, and a rotary shaft for transmitting a rotary force; a stirring pin that is arranged on the main body so as to be rotatable by receiving the rotary force and to be movable relative to an axial direction of the rotary shaft, and that is inserted into a joint member to perform friction stirring on the joint member; a shoulder that is formed separately from the stirring pin, that is arranged on the main body so as not to receive the rotary force from the main body but to be movable separately from the stirring pin relative to the axial direction of the rotary shaft, and that presses the joint member while in contact with the joint member; and a first elastic member that biases the stirring pin toward a distal-end side relative to the axial direction of the rotary shaft.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The present invention includes: a preparation step in which a back surface (50a) of a second fastenable member (50) is overlaid on a front surface (40a) of a first fastenable member (40) that has a lower hole (41); and a riveting step in which a rivet (1a) that is made of metal and has been set in a location distanced from a front surface (50b) of the second fastenable member (50) is moved toward the location of the lower hole (41), and the rivet (1a) is driven, in order, through the second fastenable member (50) and the first fastenable member (40), and made to arrive in the the lower hole (41). The lower hole (41) comprises a hole section (43) that has an inner wall surface with a tapering substantially conical shape or substantially truncated conical shape, the rivet (1a) comprises a first shaft section (3) with a tapered shape, the first shaft section (3) has a tip end section (3a1) that becomes narrower in diameter toward the tip end side, a helical groove (3b) is carved into the peripheral surface of the first shaft section (3) from the base end side to the tip end side, and the maximum interference is 3-13%.
A rotary tool includes: a main body having a fixed unit and a rotary shaft; a stirring pin rotatable and movable relative to an axial direction of the rotary shaft, and inserted into a joint member to perform friction stirring; and a shoulder that is arranged on the main body so as not to receive a rotary force from the main body but to be movable relative to the axial direction of the rotary shaft, and that presses the joint member while in contact with the joint member, wherein the stirring pin and the shoulder are mounted to form an assembly so as to be relatively movable and to move integrally in the axial direction of the rotary shaft, and the rotary tool further includes a first elastic member that biases the assembly toward a distal-end side of the stirring pin relative to the axial direction of the rotary shaft.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
A metal rivet (1a) set in a position separated from a surface (50b) of a second material (50) to be fastened is moved toward a position of a prepared hole (41), and the rivet (1a) is driven in the order of the second material (50) to be fastened and a first material (40) to be fastened to arrive inside the prepared hole (41). The prepared hole (41) includes a hole portion (43) having an inner wall surface that is a tapered substantially cone shape or substantially truncated cone shape, the rivet (1a) has a tapered first shaft part (3), the depth of the hole portion (43) is deeper than the length of the first shaft part (3), the first shaft part (3) has a distal portion (3a1) which shrinks in diameter toward the distal side, the outer peripheral surface of the first shaft part (3) is engraved with a spiral groove (3b) from the proximal side to the distal side, and the relationship between a depth (H) of an opening (42) and a thickness (T) of the driven position of the rivet (1a) of the second material (50) to be fastened is 0.25×T
This gripper that can grip a soft object without damaging the same is manufactured at low cost. The present invention comprises, in an integrated manner, a pair of extension sections (10) that grip an object (2), and a connecting section (11) that connects the extension sections (10). The extension sections (10) and the connecting section (11) are configured from an elastic member having a gap section (22) that is continuous at least in the gripping direction in which the object (2) is gripped. At least a portion of the connecting section (11) is a soft region (20) having a plurality of wall sections that are layered in the gripping direction, and in the soft region (20), wall sections that neighbor one another in the gripping direction are layered in a condition of having a phase offset in an intersecting direction, which intersects the gripping direction. The extension sections (10) and the connecting section (11) comprise a configuration that results from layering, in a Z-axis direction, parallel-cross layers (24) in which linear materials (23) with elasticity have been crossed in the two directions of an X-axis direction and a Y-axis direction and assembled in a parallel-cross formation, and in the soft region (20), parallel-cross layers (24) that neighbor one another in the Z-axis direction are layered in a condition of having a phase offset in the directions of the X-axis direction and the Y-axis direction.
Provided is a method for producing sodium borohydride. At a time when a sodium borate, an aluminum powder, and a fluoride powder are mixed and caused to react in a tightly sealed vessel filled with a hydrogen gas at a temperature of 560° C. or lower, stirring using a stirrer is carried out in the tightly sealed vessel, and a stirring height ratio (X) expressed by a following formula (I) is 75% or more, in which (a) is a minimum clearance between the stirrer and the lowest part of the tightly sealed vessel in a gravity direction, and (b) is a raw material charged height when a raw material is charged into the tightly sealed vessel:
Provided is a method for producing sodium borohydride. At a time when a sodium borate, an aluminum powder, and a fluoride powder are mixed and caused to react in a tightly sealed vessel filled with a hydrogen gas at a temperature of 560° C. or lower, stirring using a stirrer is carried out in the tightly sealed vessel, and a stirring height ratio (X) expressed by a following formula (I) is 75% or more, in which (a) is a minimum clearance between the stirrer and the lowest part of the tightly sealed vessel in a gravity direction, and (b) is a raw material charged height when a raw material is charged into the tightly sealed vessel:
X=[(b−a)/b]×100 Formula (I)
Provided is a method for producing sodium borohydride. An aluminum powder and a fluoride powder are mixed, and a pretreatment thereof is carried out at 100° C. or higher and 330° C. or lower; and after the pretreatment, a sodium borate is added and mixed, and the resulting mixture is charged into a tightly sealed vessel; and then after a hydrogen gas is introduced thereto, a heat treatment is carried out by heating the tightly sealed vessel at 490° C. or higher and 560° C. or lower.
Provided are a high-strength 6000 series aluminum alloy having exceptional plastic workability even when the Fe content is increased in association with recycling of scrap material, and an aluminum alloy material composed of said aluminum alloy. The present invention relates to an Al-Mg-Si-Ni alloy characterized by containing more than 0 to 2.0 wt% of Fe and containing Ni such that 0.7≤Ni (wt%)/Fe (wt%)≤3.5. The alloy preferably contains 0.5-1.4 wt% of Si, 0.6-1.7 wt% of Mg, 0.1-2.5 wt% of Ni, and 0.1-2.0 wt% of Fe, the balance being Al and inevitable impurities.
Provided is a heat exchanger in which aluminum and a synthetic resin are joined together, and in which it is possible to maintain the integrity of the joined portion even under a shear load and a high-temperature environment as well as to provide water-tightness and heat resistance. A heat exchanger comprising: a flow path box 10 made of a synthetic resin, the flow path box having a flow path 11 for a liquid refrigerant; and a lid body 20 made of aluminum, the lid body closing an opening 10a of the flow path box 10 and being in contact with a heating body 30 including a thermoelectric element, wherein a joining surface 15a extending outward from the opening edge, and a lid body positioning wall 16 erected at the periphery of the joining surface 15a, are provided to the opening 10a of the flow path box 10. The flow path box 10 and the lid body 20 are joined together by heat sealing the joining surface 15a of the flow path box 10 and a fine jagged joining layer 22 provided to a joining region 21 of the lid body 20, the joining region 21 corresponding to the joining surface 15a of the flow path box 10.
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
This aluminum member (1) is provided with: a base material (10) formed from aluminum or an aluminum alloy; and an anodic oxide film (20) including a barrier layer (21) that comes into contact with a surface of the base material (10), a first porous layer (22) that is arranged on the side of the barrier layer (21) which is opposite to the base material (10), and a second porous layer (23) that comes into contact with the surface of the first porous layer (22) which is opposite to the barrier layer (21). In the aluminum member (1), a dye compound is incorporated in the anodic oxide film (20), the first porous layer (22) has a plurality of branched holes, and the second porous layer (23) has a plurality of holes that extend linearly in the direction of the lamination of the first porous layer (22) and the second porous layer (23).
The purpose of the present invention is to provide an aluminum alloy sheet for a lithium-ion battery lid, the aluminum alloy sheet having suitable strength and making it possible to realize excellent moldability, etc. This invention has: a component composition containing, by mass, 1.05 to 1.50% of Fe, 0.10 to 0.40% of Mn, 0.002 to 0.150% of Ti, and less than 0.05% of B, with the remainder made up by Al and impurities, the impurities comprising Si restricted to less than 0.40%, Cu restricted to less than 0.03%, Mg restricted to less than 0.05%, and V restricted to less than 0.03%; a total Fe and Mn content of 1.80% or below; and a tensile strength of 115-140 MPa or below.
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Provided is a production method that makes it possible to obtain, with a simple technique, alumina powder having a reduced calcium (Ca) concentration, while suppressing an increase in BET specific surface area caused by hydration. This production method for α-alumina powder comprises: a treatment step for introducing and immersing α-alumina raw material powder into an aqueous treatment solution that contains an organic silane compound having a hydrolyzable group, and thereby obtaining α-alumina powder having a reduced calcium (Ca) concentration; and an evaluation step for measuring and comparing the concentration of calcium contained in the α-alumina raw material powder and the concentration of calcium contained in the α-alumina powder.
Provided are: an aluminum alloy filler material which is less likely to cause welding cracks and from which a joint portion having excellent strength and toughness is formed, in high-speed joining of an aluminum alloy; an aluminum alloy welded structure manufactured using the aluminum alloy filler material; and a method for joining an aluminum material using the aluminum alloy filler material. The aluminum alloy filler material for high-speed joining according to the present invention is characterized by comprising aluminum including a surface-active element that lowers the surface tension of molten aluminum, wherein the surface-active element is at least one among Ca, Sr, and Ba, and the content of the surface-active element is 0.05-0.50 mass %.
Provided is an Al-Si alloy for casting which is capable of imparting high yield strength to an Al-Si alloy casting in addition to being capable of effectively suppressing the occurrence of cracking when press-fitting a self-piercing rivet into an aluminum alloy casting. In addition, provided are: an Al-Si alloy casting which has high yield strength and effectively suppresses the occurrence of cracking when press-fitting a self-piercing rivet therein; and an Al-Si alloy casting joint in which said Al-Si alloy casting is the material to be joined. The Al-Si alloy for casting in the present invention is characterized by comprising Si in the amount of 5.0-12.0 mass%, Mn in the amount of 0.4-1.5 mass%, Mg in the amount of 0.05-0.6 mass%, Cr in the amount of 0.1-0.5 mass%, and Fe in an amount greater than 0 and no greater than 0.6 mass%, with the remainder constituting Al and inevitable impurities.
The present invention provides an aluminum alloy for casting, the aluminum alloy enabling the achievement of an Al-Si based alloy casting in which Al-(Fe, Mn, Cr)-Si crystallized products are miniaturized without being restricted by the casting method even if the Fe content is increased. The present invention also provides an aluminum alloy casting which has excellent proof stress, excellent ductility and excellent toughness at the same time even if the Fe content is increased, by reducing the influence of Fe that is contained therein as an impurity. An aluminum alloy for casting according to the present invention is characterized by containing more than 3.0% by mass but not more than 12.0% by mass of Si, 0.2% to 0.8% by mass of Fe, 0.1% to 0.7% by mass of Mn, 0.05% to 0.4% by mass of Cr and 0.05% to 0.3% by mass of V.
Provided are a surface-smoothened metal member and a method for easily and effectively manufacturing the same, said surface-smoothened metal member having been smoothened to such an extent that in a surface of a large metal member formed from titanium or a titanium alloy, a flat surface portion has a maximum height roughness (Rz) of 1.1 µm or less and a portion with a curvature radius of 0.05 to 2.5 mm has a maximum height roughness (Rz) of less than 2 µm. This method for manufacturing the surface-smoothened metal member is characterized in that an anodic oxide film is formed on a surface of a substrate formed from titanium or a titanium alloy by applying an anodization treatment to the substrate, and the surface of the substrate is smoothened by removing the anodic oxide film.
The present invention provides: a corrosion-resistant member production method that makes it possible, while using aluminum or an aluminum alloy as a base material, to prevent the occurrence of burning caused by laser light and to form an alumite coating film; and a laser CVD device used in obtaining the same. Provided is a corrosion-resistant member production method comprising a coating film formation step for forming an yttria coating film on a surface of a base material comprising aluminum or an aluminum alloy by irradiating the base material with laser light while blowing thereon a source gas containing yttrium, wherein the laser light is in pulse waves, and the yttria coating film is formed with a base material temperature of 300-600°C during film formation. Also provided is a laser CVD device used in this method.
C04B 35/505 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds based on yttrium oxide
C23C 16/46 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes characterised by the method of coating characterised by the method used for heating the substrate
G03F 1/64 - Pellicles or pellicle assemblies, e.g. having membrane on support frame; Preparation thereof characterised by the frames, e.g. structure or material thereof
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
A waste processing system includes a pyrolysis apparatus that pyrolyzes a combustible waste, a melt-and-mold apparatus that generates an ingot of resin and combustible gas from a synthetic-resin waste, and an oil extraction apparatus that generates combustible oil and combustible gas from the ingot of resin. The melt-and-mold apparatus has a melter that melts the synthetic-resin waste using heat produced by the pyrolysis apparatus, the oil extraction apparatus has a pyrolyzer that pyrolyzes the ingot of resin using the heat produced by the pyrolysis apparatus, and at least one of the combustible gas generated at the melt-and-mold apparatus and the combustible gas generated at the oil extraction apparatus is supplied to the pyrolysis apparatus.
F23G 7/12 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of plastics, e.g. rubber
F23G 5/027 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels including pretreatment pyrolising or gasifying
B09B 3/40 - Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
33.
ELECTROLYTIC SOLUTION, MAGNESIUM PRODUCTION METHOD, MAGNESIUM, AND MAGNESIUM FOIL
This electrolytic solution contains magnesium chloride, lithium chloride, and an aprotic solvent. In the electrolytic solution, the concentration at which the total of magnesium chloride and lithium chloride are dissolved with respect to 1 mol of an aprotic solvent is 0.09 mol or more. In addition, in the electrolytic solution, the concentration at which magnesium chloride is dissolved with respect to 1 mol of the aprotic solvent is 0.045 mol or more.
The present invention provides: an aluminum alloy member which can be manufactured at a relatively low cost and has a light weight, and which can have high dimensional accuracy under a high-temperature environment and is less likely to undergo the color-fading of a blackened surface even under a high-temperature environment, and has excellent heat resistance; and a method for manufacturing the aluminum alloy member with high efficiency. The aluminum alloy member according to the present invention comprises: a substrate which comprises an extruded material of an aluminum powder alloy having an Si content of 20 to 40% by mass and has an anodic oxide coating film formed on the surface thereof, and an electrolytically colored layer which is formed by precipitating a metal or a metal salt on voids in the anodic oxide coating film.
C25D 11/22 - Electrolytic after-treatment for colouring layers
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/20 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor by extruding
35.
ALUMINUM ALLOY FORGING MATERIAL AND METHOD FOR MANUFACTURING SAME
Provided are a 6000-series aluminum alloy forging material having high strength and exceptional toughness (excellent ductility), and an efficient method for manufacturing the same. This aluminum alloy forging material is characterized by being formed from a 6000-series aluminum alloy, having a Cu content of 0.2-1.0 wt. %, the composition of the 6000-series aluminum alloy satisfying relational expressions (1) and (2), and having deposits at the base metal crystal grain boundary, specifically Al—(Fe,Mn,Cr)—Si-type crystalline deposits at the base metal crystal grain boundary. (1) Si (at %)≥2Mg (at %) and (2) 0.2≤surplus Si (wt %)+Mn (wt %)+Cr (wt %)≤1.7.
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
Provided is a joining method that can prevent a plastic flowing material from flowing out from a butt section and that can reduce the thickness and weight of metal members. The joining method is for joining a first metal member and a second metal member by using a rotary tool comprising a stirring pin, and is characterized in that: the stirring pin comprises a flat surface perpendicular to the rotation axis of the rotary tool and comprises a protruding section protruding from the flat face; and in a friction stirring step, the flat surface is brought into contact with the first metal member and the second metal member, and a front end face of the protruding section is inserted deeper than an upper overlapping section to join an upper front butt section and the upper overlapping section.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
37.
ALUMINUM ALLOY MOLDED BODY AND PRODUCTION METHOD THEREFOR
The purpose of the present invention is to provide an aluminum alloy molded body that has excellent thermal stability and does not contain a rare earth element, and to provide a production method for the same. More specifically, the present invention provides an aluminum alloy molded body that has a high degree of hardness even at 200° C., and a method which enables efficient production of the same even if the aluminum alloy molded body has a complicated shape. An aluminum alloy laminated molded body according to the present invention, which is molded using an additive manufacturing method, is characterized in that: the raw material therefor is an aluminum alloy material containing 2-10 mass % of a transition metal element that forms a eutectic crystal with Al, with the remainder being Al and unavoidable impurities; the relative density thereof is at least 98.5%; a metal structure is composed of a primary crystal a (Al) and a compound composed of Al and the transition metal element; and the spacing of the compound in a region excluding the boundary of a melt pool is no more than 200 nm.
Provided is a joining method that can prevent a plastic flowing material from flowing out from a butt section and that can reduce the thickness and weight of metal members. The joining method is for joining a first metal member and a second metal member by using a rotary tool comprising a stirring pin, and is characterized in that: the stirring pin comprises a flat surface perpendicular to the rotation axis of the rotary tool and comprises a protruding section protruding from the flat face; and in a friction stirring step, the flat surface is brought into contact with the first metal member and the second metal member, and a front end face of the protruding section is inserted deeper than an upper overlapping section to join an upper front butt section and the upper overlapping section.
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 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
An aluminum member (1) is provided with a base material (10) that is formed of aluminum or an aluminum alloy. The aluminum member (1) is provided with an anodic oxide coating film (20) that comprises: a barrier layer (21) which is in contact with a surface (11) of the base material (10); a first porous layer (22) which is in contact with a surface of the barrier layer (21), the surface being on the reverse side from the base material (10); and a second porous layer (23) which is in contact with a surface of the first porous layer (22), the surface being on the reverse side from the barrier layer (21), and which has a plurality of pores that are arrayed so as to linearly extend from the surface that is in contact with the first porous layer (22) toward an exposed front surface (24). The first porous layer (22) has at least either a plurality of branched pores or a plurality of pores that have a larger average pore diameter than the pores of the second porous layer (23). The anodic oxide coating film (20) incorporates white pigment particles.
A method for manufacturing a joined body in which a jacket body (first metal member) (2) and a seal body (second metal member) (3) are friction stir welded together, wherein: at a main joining step, there is a separation zone in which an end position (EP1) is set on the jacket body (2) as more outward than a set movement route (L1) and a first abutted section (J1) is friction stir welded, after which a rotating tool (F) is moved to the end position (EP1) and the rotating tool (F) is separated from the jacket body (2) at the end position (EP1); at the main joining step, a stir pin (F2) is rotated at a prescribed rotation speed to friction stir weld the first abutted section (J1); and in the separation zone, the rotating tool (F) is moved toward the end position (EP1) while gradually lowering the rotation speed thereof from the prescribed rotation speed and the rotating tool (F) is separated from the jacket body (2).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
A rotating tool (1) used in a joining device that friction stir welds members to be joined together, said rotating tool (1) characterized by comprising: a body (10); a stir pin (60) that is inserted into the members to be joined and friction stirs the members to be joined; a shoulder (70) that is formed as a separate body from the stir pin (60) and presses the members to be joined while in a state of contact with the members to be joined; a first elastic member (61) that, with respect to the axial direction of a rotating shaft (12), biases the stir pin (60) toward the tip end side; and a first restriction member (100) that restricts the stir pin (60) from moving toward the base end side of the rotating shaft (12) in the axial direction, wherein the first restriction member (100) restricts the movement of the stir pin (60) such that the amount of deformation of the first elastic member (61) occurring in association with the movement of the stir pin (60) does not exceed the maximum tolerance amount of the first elastic member (61).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
A rotating tool (1) used in a joining device that friction stir welds members to be joined together, said rotating tool (1) characterized by comprising a body (10), a stir pin (50) that friction stirs the members to be joined, and a shoulder (60) that presses the members to be joined, wherein: the stir pin (50) and the shoulder (60) constitute an assembly (70); a first elastic member (51) that biases the assembly (70) toward the tip end side of the stir pin (50) and a first restriction member (100) that restricts the assembly (70) from moving toward the base end side of a rotating shaft in the axial direction are further provided; and the first restriction member (100) restricts the movement of the assembly (70) such that the amount of deformation of the first elastic member (51) occurring in association with the movement of the assembly does not exceed the maximum tolerance amount of the first elastic member (51).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
A rotating tool (1) used in a joining device, said rotating tool (1) comprising: a body (10) that has a fixing part (11) and a rotating shaft (12); a stir member (50) that has a stir pin (51) for friction stirring members to be joined together, is rotatably provided so as to receive the rotational force from the rotating shaft (12), and is provided to the body (10) so as to be movable in the axial direction of the rotating shaft (12); an elastic member (70) that, with respect to the axial direction of the rotating shaft (12), biases the stir member (50) toward the tip end side; and a restriction member (100) that restricts the stir member (50) from moving toward the base end side of the rotating shaft (12) in the axial direction, wherein the restriction member (100) restricts the movement of the stir member (50) such that the amount of deformation of the elastic member (70) occurring in association with the movement of the stir member does not exceed the maximum tolerance amount of the elastic member (70).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The present invention includes: a primary joining process in which a coarse portion having a predetermined width is formed in the vicinity of a step side face within a plasticized region while the rotary tool is being moved one round along a first butted portion to perform friction stirring in a state that a tip of a stirring pin of a rotary tool being rotated is inserted to the same depth as or slightly deeper than a step bottom face and a bottom face of a shoulder portion is in contact with a front face of a sealing body and the stirring pin is slightly in contact with at least an upper portion of a jacket body; and an inspection process in which a passed position of the stirring pin is specified by performing, after the primary joining process, a flaw detection to detect the coarse portion.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
46.
METAL MEMBER, METAL-RESIN JOINED BODY, AND PRODUCTION METHODS THEREFOR
The present invention provides: a metal-resin molded body which has high bonding strength and makes it possible to ensure sufficient airtightness; a metal member which is for obtaining the metal-resin molded body; and production methods for the metal-resin molded body and the metal member. Provided is a metal member comprising, on the surface thereof, a bonding surface for bonding with a bonding target, said metal member being characterized in comprising a metal base material made of metal and a hydroxyl group-containing film on the surface thereof, wherein: the bonding surface is formed on the entirety of the hydroxyl group-containing film; and the hydroxyl group-containing film has on the surface thereof a macro relief structure part comprising a plurality of relief structure parts which have an opening size (D) of 20-200 μm, a depth (L) of 20-200 μm, and in which the aspect ratio (L/D) of the depth (L) to the opening size (D) is 0.5-5, and also has, on the surface of the macro relief structure part, a fine relief structure part which has a plurality of openings of 10-50 nm and which has a thickness of 10-1,000 nm. Also provided is a metal-resin joined body using the metal member.
B23K 26/352 - Working by laser beam, e.g. welding, cutting or boring for surface treatment
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
47.
METAL MEMBER, METAL-RESIN JOINED BODY, AND METHOD FOR MANUFACTURING SAME
Provided is a metal-resin joined body having a high joint strength and adequate hermeticity, and a metal member for obtaining the same. The metal member comprises a metal substrate made of metal, and a marking pattern having concave and convex portions formed on a surface of the metal substrate, wherein: the marking pattern comprises one continuous straight line or curve; a plurality of said marking patterns are formed running in parallel adjacent to one another; and in a direction perpendicular to a running direction of the plurality of marking patterns, a maximum height roughness Rz of recesses and protrusions in the concave and convex portions, and a mean spacing Rsm of the recesses and protrusions in the concave and convex portions, satisfy the relationship 45≤(180/π)×Arctan(Rz/(Rsm/2))≤75.
B23K 26/352 - Working by laser beam, e.g. welding, cutting or boring for surface treatment
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
C23F 4/02 - Processes for removing metallic material from surfaces, not provided for in group or by evaporation
48.
METAL MEMBER, METAL-RESIN JOINT AND MANUFACTURING METHODS THEREOF
B23K 26/364 - Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
Provided is a cooler for a power device capable of reducing the number of constituent members, improving the processing and assembling efficiency of the constituent members, and having high heat exchange performance. The cooler is composed of a plate-shaped first case 10, a thick frame-shaped second case 20, and a heat-receiving plate-integrated fin 30 having a heat-receiving surface 31a that is joined to a heating element, these three components being formed of aluminum members. A cooling liquid inflow port 11 and a cooling liquid outflow port 12 are provided at opposing portions in the first case. The second case has a thickness that suppresses distortion caused by heat when the heating element is joined, and a cooling liquid inflow guide portion 21 communicating with the cooling liquid inflow port and a coolant outflow guide portion 22 communicating with the cooling liquid outflow port are formed at opposing portions in the second case. In the heat-receiving plate-integrated fin, a plurality of ridges 34 forming respective cooling liquid circulation passages 33 between the adjacent portions is integrally formed in the region corresponding to a cooling liquid circulation space 23 on the inner surface of the heat-receiving plate, and the ridges are joined to the first case, the second case, and the heat-receiving plate of the heat-receiving plate-integrated fin.
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
50.
DYEING POWDER, COATING MATERIAL COMPOSITION, WATER-REPELLENT FILM AND WATER-REPELLENT MEMBER, AND PRODUCTION METHODS FOR DYEING POWDER AND WATER-REPELLENT MEMBER
A dyeing powder comprising: a plurality of long particles having an elongated shape and containing alumina as the main component, wherein an inorganic dye compound is incorporated in the long particles. A production method for a dyeing powder, comprising: a firing step for firing a plurality of precursor particles containing alumina and/or aluminum hydroxide and having an elongated shape, at 500-1100°C, to obtain a plurality of fired particles that contain alumina as the main component, that have an elongated shape, and that have mesopores; and a dyeing step for incorporating an inorganic dye compound into the mesopores of the plurality of fired particles.
The present invention includes: a primary joining process in which a coarse portion having a predetermined width is formed in the vicinity of a step side face within a plasticized region while the rotary tool is being moved one round along a first butted portion to perform friction stirring in a state that a tip of a tip side pin of a rotary tool being rotated is inserted to the same depth as or slightly deeper than a step bottom face and an outer circumferential face of a base side pin is in contact with a front face of a sealing body and the tip side pin is slightly in contact with at least an upper portion of a jacket body and an inspection process in which a passed position of the tip side pin is specified by performing, a flaw detection to detect the coarse portion.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
A joining method includes: an overlapping step of overlapping a front surface of a first metal member with a back surface of a second metal member; and a welding step of welding the first metal member with the second metal member by hybrid welding, with use of a hybrid welding machine including a leading laser welding unit and a trailing arc welding unit. In the welding step, laser welding, by irradiating a laser beam, and arc welding are performed, along a preset travel route set on an inner corner portion formed by the front surface of the first metal member and an end surface of the second metal member, to the inner corner portion and the laser beam is oscillated to cross the preset travel route.
A joining method includes: an overlapping step of overlapping a front surface of a first metal member with a back surface of a second metal member; and a welding step of welding the first metal member with the second metal member by hybrid welding, using a hybrid welding machine including a leading laser welding unit and a trailing arc welding unit. In the welding step, laser welding, by irradiating with a laser beam, and arc welding are performed from a front surface of the second metal member, along a preset travel route which is set on an overlapped part formed by the first metal member and the second metal member overlapped with each other, to the overlapped part, and the laser beam is oscillated to cross the preset travel route.
B23K 26/348 - Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups , e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
B23K 9/16 - Arc welding or cutting making use of shielding gas
Provided is a piston housing body with which reduced size and weight can be achieved. This piston housing body (1) is provided with: a body part (10) provided with at least a pair of piston housing sections (11, 11) that respectively house at least a pair of pistons (2, 2) opposing to each other; a working fluid circulation flow channel (20) that interconnects the piston housing sections (11, 11); and a connection part (25) for connecting a working fluid supply flow channel (26) to the working fluid circulation flow channel (20). The piston housing body (1) is characterized in that: the working fluid circulation flow channel (20) is configured from a pipe (P); both ends (21, 21) of the pipe (P) are enclosed by the body part (10) casted therearound; and a middle section (22) of the pipe (P) and the connection part (25) are exposed to the outside from the body part (10).
The present invention addresses the problem of providing a battery case that can suitably accommodate an increase in thickness as well as an increase in size. A battery case (100) is made of metal and provided with an explosion-proof valve (2). The battery case (100) is characterized in that the explosion-proof valve (2) comprises: a folded part (11) that is continuous with a plate part (1) forming the battery case (100) and that is in a folded form; a thin plate part (12) that is continuous with the folded part (11) and that is located inward of the folded part (11); a thick plate part (13) that is continuous with the thin plate part (12) and that is formed thicker than the thin plate part (12) at the center of the explosion-proof valve (2); and a groove (14) for breaking that is provided in the thin plate part (12) and that breaks when a predetermined pressure is exerted thereon.
Provided is a heatsink which is used for cooling thermal devices, such as semiconductors, and which is particularly suitable for cooling thermal devices such as semiconductors used in a compact module or the like. This heatsink for cooling thermal devices is characterized: by including at least two cylindrical sections in which thermal devices are arranged; and in that heat dissipation fins are provided in outer peripheral parts of the cylindrical sections.
The present invention provides a heat sink that has greater cooling effects and a simpler structure. According to the present invention, a thermal device heat sink comprises a metal cylindrical member, a heat-radiating fin, and a metal hollow member or heat pipe that has an internal fluid passage. The thermal device heat sink is designed such that the heat-radiating fin is provided to an outer circumferential part of the metal cylindrical member, the metal hollow member or heat pipe is arranged inside the metal cylindrical member, and both an inner circumferential surface of the metal cylindrical member and an outer circumferential surface of the metal hollow member or heat pipe contact a thermal device.
H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
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
The present invention addresses the problem of providing a heat sink: which is used for cooling a thermal device formed from a semiconductor or the like; and which is suitable for cooling the thermal device formed from a semiconductor or the like and is used particularly for a compact module and the like. The above problem is solved by a thermal device cooling heat sink characterized by having: a flat-shaped heat pipe, a thermal device provided on the heat pipe; and heat dissipation fins each provided on the heat pipe and at a position spaced apart from the thermal device.
H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
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
The present invention provides: a lightweight optical member which can be produced at relatively low cost and which provides low reflectance, stability upon exposure to light, and abrasion resistance; and an efficient method for producing such an optical member. An optical member according to the present invention is characterized by comprising: a metallic base material; a low-reflective treatment layer formed on the surface of the metallic base material; and a silica layer formed on the surface of the low-reflective treatment layer. It is preferable for the silica layer to have a layer thickness of 0.1-10 μM.
With regard to carrying out friction stir welding on a composite body having a first surface and a second surface different from the first surface, the present invention carries out friction stir welding of the second surface while suppressing influence of deformation occurring in the composite body due to the friction stir welding of the first surface. The present invention comprises: an arrangement step for assembling each metal member (11, 12, 13) in an arranged relationship to form a composite body (25); a securing step for securing the composite body (25) in a state in which the metal members (11, 12, 13) are assembled together; a first friction stirring step for carrying out friction stir welding of the secured composite body (25) by inserting a stirring pin (51) from a first surface (26); a rotation step for rotating the secured composite body (25) so as to achieve a positional relationship in which a second surface (27) opposes a rotary tool (50); and a second friction stirring step for carrying out friction stir welding of the secured composite body (25) by inserting the stirring pin (51) from the second surface (27).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
This invention is characterized in that: slits comprise a plurality of first slits (21) arranged rectilinearly on a substrate (2), and a plurality of second slits (22) formed rectilinearly and intersecting with the first slits (21) on the substrate (2); a pin fin (3) has a pin fin lower part (10) that rises continuously from the substrate (2), and a pin fin upper part (11) that extends continuously from the pin fin lower part (10); and a groove width (W2) that is of the first slits (21) and the second slits (22) and that corresponds to the pin fin upper parts (11) is greater than a groove width (W1) that is of the first slits (21) and the second slits (22) and that corresponds to the pin fin lower parts (10).
The automatic joining system includes: a fixing device; a friction stir device; a measuring unit; and a controlling device, in which a rotating tool includes a base end side pin and a tip end side pin formed continuously to the base end side pin, the controlling device sets a target moving route along which the rotating tool moves when friction stir joining of a butting portion is performed, based on a ridge line position before the friction stir joining is performed, and also sets a modified moving route at a position displaced toward a first metallic member side in substantially parallel with respect to the target moving route, and the friction stir device controls the rotating tool to move along the modified moving route and thereby performing the friction stir joining along the target moving route.
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 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
63.
PHOTOLUMINESCENT ALUMINUM ALLOY AND PHOTOLUMINESCENT ALUMINUM ALLOY DIE-CAST MATERIAL
The present invention provides a photoluminescent aluminum alloy which exhibits high mechanical properties and which suppresses, to a high degree, the occurrence of color unevenness in cases where a tungsten-containing aluminum alloy die-cast material is subjected to anodization. Also provided is a photoluminescent aluminum alloy die-cast material produced using the photoluminescent aluminum alloy. This aluminum alloy contains 0.5-3.0 mass % of Mn, 0.3-2.0 mass % of Mg, 0.01-1.0 mass % of W and 1.0-3.0 mass % of Zn, with the remainder comprising aluminum and unavoidable impurities.
The present invention provides a bright aluminum alloy which has high mechanical properties and in which the occurrence of uneven color is also suppressed to a high degree when an aluminum alloy die-cast material thereof that includes tungsten is subjected to anodization treatment. Also provided is a bright aluminum alloy die-cast material that is manufactured using said bright aluminum alloy. The aluminum alloy pertaining to the present invention includes 0.5-3.0% by mass of Mn, 0.1-2.0% by mass of Mg, 0.01-1.0% by mass of W, and 0.05-2.0% by mass of Si, the balance being aluminum and unavoidable impurities.
B22D 21/00 - Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Sugita, Kaoru
Oota, Yuji
Abe, Yo Rene
Hachisu, Takuma
Matsunaga, Takehiro
Abstract
In a hermetic vessel filled with hydrogen gas, a sodium borate and aluminum powder are reacted at not less than 400° C. and not more than 560° C. while performing stirring to produce sodium borohydride with the molar ratio of sodium contained in the sodium borate being larger than 0.5 relative to boron contained in the sodium borate.
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Sugita, Kaoru
Oota, Yuji
Abe, Yo Rene
Hachisu, Takuma
Matsunaga, Takehiro
Abstract
A sodium borate, aluminum powder and fluoride powder are mixed together in a hermetic vessel filled with hydrogen gas, and the mixture is reacted at not less than 410° C. and not more than 560° C. to produce sodium borohydride.
The present invention provides: a wrought 6000-series aluminum alloy material which is suppressed in weld cracking even in cases where high-speed welding is performed by means of laser welding or the like; a welded body which contains the wrought aluminum alloy material; and an efficient welding method for the wrought aluminum alloy material. The present invention relates to a wrought aluminum alloy material for welding, the wrought aluminum alloy material being characterized in that: the Si content is not less than 0.3% by mass but less than 2.0% by mass; the Mg content is not less than 0.3% by mass but less than 2.0% by mass; a surface active element which decreases the surface tension of molten aluminum is contained therein; the surface active element is at least one of Sr, Ca, Sb, Li and Ba; and the content of the surface active element is from 0.04% by mass to 0.50% by mass.
Provided are: a 5000-series aluminum alloy expanded material which does not undergo the occurrence of welding cracks even when the aluminum alloy expanded material is subjected to high-speed welding utilizing laser welding or the like; a welding-joined body comprising the aluminum alloy expanded material; and a method for efficiently welding the aluminum alloy expanded material. The present invention relates to an aluminum alloy expanded material for welding use, which is characterized by having an Mg content of 0.2% by mass or more and less than 6.0% by mass, and containing a surface active element capable of reducing the surface tension of molten aluminum, in which the surface active element comprises at least one element selected from Sr, Ca, Sb, Li and Ba, and the content of the surface active element is 0.08 to 0.50% by mass inclusive.
Provided is a method for producing sodium borohydride. When sodium borates, aluminum powder, and fluoride powder are mixed in an airtight container filled with hydrogen gas and reacted at 560ºC or less, stirring is performed using a stirrer in the airtight container, a stirring height ratio (X) expressed by equation (I) based on the minimum gap (a) between the stirrer and a bottommost section of the airtight container in the gravity direction, and a raw material insertion height (b) at which raw materials are inserted into the airtight container is 75% or greater. (I): X = [(b-a)/b] × 100
Provided is a method for producing sodium borohydride. This method is characterized by comprising mixing an aluminum powder with a fluoride powder, performing a pretreatment at a temperature of 100-330°C inclusive, after the pretreatment, adding a fluoride powder and sodium borate followed by mixing, putting the mixture into an airtight container, introducing hydrogen gas thereto, and performing a heat treatment at a heating temperature of the airtight container of 490-560°C inclusive.
A dispensing head includes a fastening portion fastened to a mouth of a beverage container, a connecting portion to which a gas coupling connected to a gas cylinder via a gas tube is connected, a gas channel configured to cause the connecting portion and the beverage container to communicate with each other, a dispensing portion configured to dispense a beverage injected from the beverage container by a pressure of a gas supplied to the beverage container via the gas channel, and an operation inhibition mechanism configured to inhibit an operation for connecting the gas coupling to the connecting portion in a state in which the fastening portion is not fastened to the mouth.
A method for manufacturing a hollow container with use of a rotary tool including a tapered stirring pin, including: preparing a first metal member, a second metal member, and an auxiliary member; butting the first metal member and the second metal member to face with each other, the auxiliary member is interposed between the first metal member and the second metal member; and joining the first metal member with the second metal member via the auxiliary member. The first and second metal members, and the auxiliary member are made of aluminum or an aluminum alloy, and the first and second metal members have higher hardness than the auxiliary member. At least one of the first and second metal members has an inclined surface inclined outward, and the auxiliary member has an inclined surface, tapered from the external surface toward an internal surface, on at least one of the side surfaces.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The present invention addresses the problem of providing a joining device and a joining method with which it is possible to prevent the occurrence of defects in joining. The present invention is characterized by comprising: a measurement unit (23) that obtains a measurement value by measuring the height near a joining section serving as a location at which joining is performed, the joining section being formed from a first metal member (1) and a second metal member (2) that are arranged in a positional relationship such that the metal members are butted or superposed and then joining is performed; a setting unit that sets the height position of a rotating tool (F) on the basis of the measurement value obtained by the measurement unit (23); and a friction stirring body section (22) that relatively moves the rotating tool (F), which rotates along the joining section, on the basis of the height position.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
Provided is a rotary tool that can carry out load control while mounted to a machining center; also provided are a joining device and a joining method. This rotary tool is characterized by being provided with: a main body (10) having a fixed unit (11) attached and secured to a joining device (3), and a rotary shaft (12) for transmitting a rotary force from the joining device (3); a stirring pin (60) that is arranged on the main body (10) so as to receive a rotary force from the main body (10)to thereby be rotatable and to thereby be movable relatively to the axial direction of the rotary shaft (12), and that is inserted into a member (2) to be joined to perform friction stirring on the member to be joined; a shoulder (70) that is formed separately from the stirring pin (60), is arranged on the main body (10) so as not to receive the rotary force from the main body (10) to thereby be movable separately from the stirring pin (60) relatively to the axial direction of the rotary shaft (12), and presses the member (2) to be joined while contacting the member (2) to be joined; and a first elastic member (61) that biases the stirring pin (60) toward the distal-end side relatively to the axial direction of the rotary shaft (12).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
Provided is a rotary tool that can carry out load control while mounted to a machining center; also provided are a joining device and a joining method. The present invention is characterized by being provided with a main body (10) having a fixed unit (11) and a rotary shaft (12), a stirring pin (50) that is arranged on the main body (10) so as to be rotatable and so as to be movable relatively to the axial direction of the rotary shaft (12), and that is inserted into a member (2) to be joined to perform friction stirring, and a shoulder (60) that is formed separately from the stirring pin (50), is arranged on the main body (10) so as not to receive the rotary force from the main body (10) to thereby be movable separately from the stirring pin (50) relatively to the axial direction of the rotary shaft (12), and presses the member (2) to be joined while contacting the member (2) to be joined, wherein the stirring pin (50) and the shoulder (60) are capable of relative rotation, and constitute an assembly (70) integrally attached so as to move relatively to the axial direction of the rotary shaft (12), and a first elastic member (51) for biasing the assembly (70) toward the distal-end side of the stirring pin (50) in the axial direction of the rotary shaft (12) is additionally provided.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
Provided are a rotating tool that controls a load while mounted on a machining center, a bonding device, and a bonding method. A rotating tool (1) used in a bonding device (3) that performs friction stir welding on a member (2) being bonded, the rotating tool (1) being characterized by comprising: a body section (10) having a fixing unit (11) that is attached and fixed to the bonding device (3), and a rotating shaft (12) that transmits rotational force from the bonding device (3); a stirring member (50) having a stirring pin (51) that is inserted into the member (2) being bonded and that performs friction stirring on the member (2) being bonded, the stirring member (50) being provided so as to be capable of rotating upon receiving rotational force from the rotating shaft (12), and being provided to the body section (10) so as to be capable of moving with respect to the axial direction of the rotating shaft (12); and an elastic member (70) that biases the stirring member (50) toward the distal-end side with respect to the axial direction of the rotating shaft (12).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
77.
ALUMINUM ALLOY AND ALUMINUM ALLOY DIE CASTING MATERIAL
Provided are a non-heat-treated aluminum alloy which has excellent casting properties and is high in both strength and toughness, and an aluminum alloy die casting material which is high in both strength and toughness, and which, in addition to having minimal difference in characteristics between regions thereof, is not prone to be affected by aging. An aluminum alloy comprises Si: 5.0 to 12.0% by mass, Mn: 0.3 to 1.9% by mass, Cr: 0.01 to 1.00% by mass, Ca: 0.001 to 0.050% by mass, with the balance being Al and unavoidable impurities, and the content of Mg in the unavoidable impurities being less than 0.3% by mass.
Provided are: a bonded member (10) which has superior bonding strength and excellent airtightness and watertightness; and a method for manufacturing the same. The bonded member (10) comprises: a first metal member (12) having a first primary surface and a second primary surface; and a second metal member (14) that is disposed on the second primary surface side of the first metal member (12), and that is bonded to at least part of the first metal member (12) via a laser welded section (20). The bonded member (10) is provided with a sheet-shaped brazing material (16) on the second primary surface side of the first metal member (12). The laser welded section (20) includes: a base molten portion (22) that is constituted by a molten integrated body of the first metal member (12), the second metal member (14), and the sheet-shaped brazing material (16); and a brazing material molten portion (24) constituted by a molten body of the sheet-shaped brazing material (16). The base molten portion (22) penetrates from the first primary surface to the second primary surface of the first metal member (12), and is formed continuously to at least a certain degree of the thickness of the second metal member (14). The brazing material molten portion (24) is closely adhered to the first metal member (12), the second metal member (14), and the base molten portion (22).
The present invention includes a joining process in which a first metal member and a second metal member are joined with an auxiliary member interposed therebetween by moving a rotary tool along a butted portion in a state where the rotary tool being rotated is inserted only from a front face side of the auxiliary member, only a stirring pin is in contact with the auxiliary member, a base end side of the stirring pin is exposed, and an outer circumferential face of the stirring pin is slightly in contact with the first metal member and the second metal member, and the auxiliary member is provided with an inclined face on at least one side face in such a form that the auxiliary member has a smaller dimension with increasing distance from a front face, and at least one of the first metal member and the second metal member is provided with an inclined face corresponding to the inclined face of the auxiliary member and inclined from the front face toward a back face.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The purpose of the present invention is to obtain high-purity α,α'-dichloroxylene by inhibiting the formation of impurities, such as nucleus-chlorinated compounds and chlorinated compounds formed by further chlorinating the side chains of the nucleus-chlorinated compounds, that have been difficult to separate out in purification by distillation. A method for producing α,α'-dichloroxylene according to the present invention includes a step in which, in a reaction vessel containing a boiling-state reaction fluid including starting-material xylene, the side-chain methyl groups of the xylene are chlorinated, the method being characterized by depressuring the inside of the reaction vessel in association with the degree of chlorination of the reaction fluid becoming higher, thereby keeping the reaction fluid boiling.
C07C 17/14 - Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
C07C 22/04 - Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings
This aluminum member (1) is provided with a base material (10) that is formed of aluminum or an aluminum alloy. This aluminum member (1) is provided with an anodic oxide coating film (20) that comprises: a barrier layer (21) which is in contact with a surface (11) of the base material (10); a first porous layer (22) which is in contact with a surface of the barrier layer (21), said surface being on the reverse side from the base material (10); and a second porous layer (23) which is in contact with a surface of the first porous layer (22), said surface being on the reverse side from the barrier layer (21), and which has a plurality of pores that are arrayed and linearly extend from the surface that is in contact with the first porous layer (22) toward an exposed front surface (24). The first porous layer (22) has at least either a plurality of branched pores or a plurality of pores that have a larger average pore diameter than the pores of the second porous layer (23).
An aluminum alloy foil containing predetermined amounts of Mn, Fe, Si, and Cu, wherein: the total content of the Mn, Fe, Si, and Cu is less than 3.0 mass%; and the number of secondary-phase particles having an equivalent circle diameter greater than 1.5 µm which are present per unit area of the aluminum alloy foil surface and the ratio between the <100> crystal orientation and the <101> crystal orientation of the aluminum alloy foil surface are within predetermined ranges.
B22D 11/00 - Continuous casting of metals, i.e. casting in indefinite lengths
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
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
An object of the present invention is to provide a joining method by which metal members can be suitably joined to each other. The present invention is characterized by including a friction stirring process in which the first metal member, the second metal member, and the auxiliary member are joined to one another by moving the rotary tool along the inner corner portion in a state where the tip side pin which is being rotated is inserted into the inner corner portion, is in contact with the first metal member, the second metal member, and the auxiliary member, and an outer circumferential face of the base side pin is pressed against the auxiliary member.
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 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
A cooling device includes a body having a flow passage for a heating medium that passes through the body, a first header made of a resin that has an inlet and covers a first end, and a second header made of a resin that has an outlet and covers a second end. The body has a front face, a back face, a first side face, and a second side face. The body and the first header are bonded to a first bonding face, a second bonding face, a third bonding face, and a fourth bonding face. The third bonding face is a curved surface that protrudes toward a +Y side. The fourth bonding face is a curved surface that protrudes toward a −Y side.
Provided is a corrugated fin-type heat exchanger that can improve heat exchange performance and energy consumption efficiency even under conditions of use in which wind speed is relatively slow. This corrugated fin-type heat exchanger comprises a pair of header pipes, a plurality of heat exchange tubes connected to the header pipes and parallel to each other, and a corrugated fin 4 joined between the heat exchange tubes, wherein the corrugated fin 4 includes a plurality of louvers 10 (10a, 10b) that are cut and raised in an air flow direction perpendicular to the longitudinal direction of the heat exchange tube. The plurality of louvers 10 (10a, 10b) having different lengths La, Lb and different cut-and-raised angles α, β in the air flow direction are alternately arranged.
F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
F28F 1/32 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
F24F 1/0067 - Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
A joining method including an overlapping step of overlapping a front surface of a first metal member and a back surface of second metal member such that the front surface is opposed to the back surface; and a welding step of performing a laser welding and a MIG welding by using a hybrid welding machine including a preceding laser welding unit and a following MIG welding unit, in which the laser welding is performed by emitting a laser beam onto a front surface of the second metal member, the MIG welding is performed on an inner corner portion formed by the front surface of the first metal member and an end surface of the second metal member, and a target position for the laser beam from the laser welding unit is located against the second metal member relative to a target position for a MIG arc by the MIG welding unit.
B23K 26/348 - Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups , e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
Provided are: an aluminum alloy filler material which is less likely to cause welding cracks and from which a joint portion having excellent strength and toughness is formed, in high-speed joining of an aluminum alloy; an aluminum alloy welded structure manufactured using the aluminum alloy filler material; and a method for joining an aluminum material using the aluminum alloy filler material. The aluminum alloy filler material for high-speed joining according to the present invention is characterized by comprising aluminum including a surface-active element that lowers the surface tension of molten aluminum, wherein the surface-active element is at least one among Ca, Sr, and Ba, and the content of the surface-active element is 0.05-0.50 mass%.
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
B23K 26/348 - Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups , e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
B23K 35/28 - Selection of soldering or welding materials proper with the principal constituent melting at less than 950°C
B23K 9/23 - Arc welding or cutting taking account of the properties of the materials to be welded
88.
ALUMINUM ALLOY FOR DIE CASTING AND DIE CAST ALUMINUM ALLOY MATERIAL
The present invention provides a non-heat-treatable aluminum alloy for die casting, which can exhibit good castability and is able to confer excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance on die cast aluminum alloy materials. Also, the present invention provides a die cast aluminum alloy material having excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance. An aluminum alloy for die casting of the present invention comprises Mg: 3.7 to 9.0% by mass and Mn: 0.8 to 1.7% by mass, with the balance being Al and unavoidable impurities. It is preferable that the Mn content is 0.9 to 1.7% by mass and the Mg content is 4.7 to 9.0% by mass.
An edge of each of a first metal member and a second metal member is formed to have a U-shaped cross section with a first horizontal plate projecting from a base edge of a vertical plate, and with a second horizontal plate projecting from a top edge of the vertical plate. The second metal member includes a projecting part. The joining method includes: an abutting step of forming an abutted part by abutting a front surface of the first horizontal plate the first metal member against a second side surface of the second metal member; and a joining step of performing friction stir welding of the first metal member and the second metal member by inserting a stirring pin from the projecting part and moving a joining rotating tool along an inner corner at the top edge of the vertical plate of the second metal member while making only the stirring pin in contact with the first metal member and the second metal member.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
90.
METHOD FOR MANUFACTURING LIQUID-COOLING JACKET AND FRICTION STIR WELDING METHOD
This invention is characterized by including: a primary joining process in which a coarse portion having a predetermined width is formed in the vicinity of a step side face within a plasticized region while a rotary tool is being moved one round along a first butted portion to perform friction stirring in a state that a tip of a stirring pin of the rotary tool which is rotated is inserted to the same depth as or slightly deeper than the step bottom face and only the stirring pin is slightly in contact with at least an upper portion of a jacket body; and an inspection process in which a passed position of the stirring pin is specified by performing a defect inspection to detect the coarse portion after the primary joining process.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The present invention: provides a small integrated waste processing system in which self-sufficiency of sequence processing from waste volume reduction to recycling is enhanced, while reducing the cost of waste recycling processing, thereby reducing the cost of outsourced processing of industrial waste and satisfying economic rationality even in small-scale and small-quantity processing; and achieves both volume reduction and recycling of waste. A waste processing system comprises a thermal decomposition device (2) for thermally decomposing combustible waste, a melt molding device (3) for producing resin ingots and a flammable gas from synthetic resin waste, and an oil squeezing device (4) for producing a flammable oil and a flammable gas from the resin ingots. The melt molding device (3) has a melting unit (31) for melting the synthetic resin waste with heat generated from the thermal decomposition device (2). The oil squeezing device (4) has a thermal decomposition unit (41) for thermally decomposing the resin ingots with heat generated from the thermal decomposition device (2). The flammable gas produced in the melt molding device (3) and/or the flammable gas produced in the oil squeezing device (4) is fed to the thermal decomposition device (2).
B09B 3/00 - Destroying solid waste or transforming solid waste into something useful or harmless
F23G 5/027 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels including pretreatment pyrolising or gasifying
F23G 7/12 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of plastics, e.g. rubber
92.
ELECTROLYTIC SOLUTION, MAGNESIUM PRODUCTION METHOD, MAGNESIUM, AND MAGNESIUM FOIL
This electrolytic solution contains magnesium chloride, lithium chloride, and an aprotic solvent. In the electrolytic solution, the concentration at which the total of magnesium chloride and lithium chloride are dissolved with respect to 1 mol of an aprotic solvent is 0.09 mol or more. In addition, in the electrolytic solution, the concentration at which magnesium chloride is dissolved with respect to 1 mol of the aprotic solvent is 0.045 mol or more.
Provided are a 6000-series aluminum alloy forging material having high strength and exceptional toughness (excellent ductility), and an efficient method for manufacturing the same. This aluminum alloy forging material is characterized by being formed from a 6000-series aluminum alloy, having a Cu content of 0.2-1.0 wt.%, the composition of the 6000-series aluminum alloy satisfying relational expressions (1) and (2), and having deposits at the base metal crystal grain boundary, specifically Al-(Fe,Mn,Cr)-Si-type crystalline deposits at the base metal crystal grain boundary. (1) Si (at%)≥2Mg (at%) (2) 0.2≤surplus Si (wt%)+Mn (wt%)+Cr (wt%)≤1.7
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
C22C 21/06 - Alloys based on aluminium with magnesium 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 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
The invention has a feature of comprising a butting process of forming a stepped butted portion and a joining process of performing friction-stir-welding on the stepped butted portion, wherein the rotary tool includes a base side pin having a taper angle larger than a taper angle of a tip side pin, and a pin step portion in a staircase shape is formed on an outer circumferential face of the base side pin, and wherein in the joining process, a rotation direction and a translation method of the rotary tool are set such that the second metal member is on an advancing side, a target angle by which a rotation axis of the rotary tool is inclined toward the second metal member is set such that a burr formed on a front face of the second metal member after the joining process has a thickness between 0 and 130 μm.
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 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
The present invention provides an aluminum molded body having high thermal conductivity as well as higher strength than a rolled material, and a method for producing the aluminum molded body. More specifically, provided are an aluminum molded body having a thermal conductivity of 180 W/mK or higher and higher strength than a rolled material of the same composition, and a method with which it is possible to efficiently produce the aluminum molded body even when the shape thereof is complex. An aluminum layered molded body obtained by molding through an additive manufacturing method according to the present invention is characterized in that: an aluminum material containing 0.001-2.5 mass% of a transition metal element that forms a eutectic with Al, the balance being Al and unavoidable impurities, is used as a raw material; and the thermal conductivity is 180 W/mK or higher.
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 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
B33Y 80/00 - Products made by additive manufacturing
B22F 3/24 - After-treatment of workpieces or articles
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/38 - Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
96.
METHOD FOR PRODUCING ELECTRODE FOR ALUMINUM ELECTROLYTIC CAPACITOR
In production of an electrode for an aluminum electrolytic capacitor, a hydrated film is formed onto an aluminum electrode including a porous layer by immersing the aluminum electrode into a first hydration treatment liquid having a temperature of 80° C. or more in a first hydration treatment step (ST1) and thereafter the aluminum electrode is heated in an atmosphere having a temperature of 150° C. or more and 350° C. or less in a dehydration step (ST2). Subsequently, a hydrated film is formed onto the aluminum electrode by immersing the aluminum electrode into a second hydration treatment liquid having a temperature of 80° C. or more in a second hydration treatment step (ST3) and thereafter chemical formation of the aluminum electrode is performed at 400 V or more and further 600 V or more in a chemical formation step.
The purpose of the present invention is to provide an aluminum alloy molded body that has excellent thermal stability and does not contain a rare earth element, and to provide a production method for the same. More specifically, the present invention provides an aluminum alloy molded body that has a high degree of hardness even at 200°C, and a method which enables efficient production of the same even if the aluminum alloy molded body has a complicated shape. An aluminum alloy laminated molded body according to the present invention, which is molded using an additive manufacturing method, is characterized in that: the raw material therefor is an aluminum alloy material containing 2-10 mass% of a transition metal element that forms a eutectic crystal with Al, with the remainder being Al and unavoidable impurities; the relative density thereof is at least 98.5%; a metal structure is composed of a primary crystal α (Al) and a compound composed of Al and the transition metal element; and the spacing of the compound in a region excluding the boundary of a melt pool is no more than 200 nm.
The present invention provides a lightweight optical member that can be produced at a relatively low cost, wherein distortion due to temperature rise is suppressed, and the appearance color is sufficiently blackened or darkened, and a method for efficiently producing the optical member. The optical member of the present invention comprises: a base member made of titanium or a titanium alloy, and a carbon-doped titanium oxide layer formed on the surface of the base member. The carbon content in the carbon-doped titanium oxide layer is preferably 0.1 to 15 at %.
G02B 1/116 - Multilayers including electrically conducting layers
G03F 1/64 - Pellicles or pellicle assemblies, e.g. having membrane on support frame; Preparation thereof characterised by the frames, e.g. structure or material thereof
Provided is an air bubble dispersion device and an impeller that can efficiently separate air bubbles. Provided is an air bubble dispersion device (1) that blows purified gas into a molten metal (M), wherein the device is characterized by including: a rotating shaft (10) provided with a through-hole (11) through which the purified gas is supplied; and an impeller (20) attached to a bottom end of the rotating shaft (10). The device is also characterized in that the impeller (20) includes: a center body part (21) that includes a gas spray hole (24) that communicates with the through-hole (11); a plurality of blade parts (22, 22...) that are arranged at equal intervals in the circumferential direction of the impeller (20) and that are inclined with respect to the axial direction of the impeller (20); and an air bubble guiding part (23) that covers a gap between adjacent blade parts (22, 22).
The present invention provides: an aluminum alloy member which can be manufactured at a relatively low cost and has a light weight, and which can have high dimensional accuracy under a high-temperature environment and is less likely to undergo the color-fading of a blackened surface even under a high-temperature environment, and has excellent heat resistance; and a method for manufacturing the aluminum alloy member with high efficiency. The aluminum alloy member according to the present invention comprises: a substrate which comprises an extruded material of an aluminum powder alloy having an Si content of 20 to 40% by mass and has an anodic oxide coating film formed on the surface thereof; and an electrolytically colored layer which is formed by precipitating a metal or a metal salt on voids in the anodic oxide coating film.
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
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 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
C25D 11/04 - Anodisation of aluminium or alloys based thereon
C25D 11/22 - Electrolytic after-treatment for colouring layers
