2222505050 of 10-200 nm. Methods of producing a ferromagnetic powder composition and manufacturing an object from the ferromagnetic powder composition and objects obtained by the methods or comprising a compacted ferromagnetic powder composition, are also provided.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 1/102 - Metallic powder coated with organic material
B22F 1/16 - Metallic particles coated with a non-metal
2.
A FERROMAGNETIC POWDER COMPOSITION AND A METHOD FOR OBTAINING THEREOF
2α2β222, and the β/α molar ratio is in the interval from 0.5 to 4.1, wherein the first coating (12a) is in direct contact with a surface of the core particles (11) of the ferromagnetic powder, and wherein the silicate is present in the amount of ferromagnetic powder composition comprises 0.02 to 1.0 wt% of at least one silicate calculated based on the total weight of the ferromagnetic powder composition. There is further provided a method for coating the soft-magnetic iron-based core particles and manufacturing of parts. Particularly suitable coatings were observed when M was potassium (K).
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 1/102 - Metallic powder coated with organic material
B22F 1/145 - Chemical treatment, e.g. passivation or decarburisation
B22F 1/16 - Metallic particles coated with a non-metal
C22C 33/02 - Making ferrous alloys by powder metallurgy
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 1/33 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metallic particles having oxide skin
H01F 3/08 - Cores, yokes or armatures made from powder
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
The present invention refers to an iron-based stainless overlay weld having an advantageous combination of corrosion and wear resistance. The invention also refers to a powder, or a powder mixture, suitable for producing the overlay weld by e.g. laser cladding as well as a method for producing the iron-based overlay weld.
C23C 26/02 - Coating not provided for in groups applying molten material to the substrate
C23C 28/02 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of metallic material
C23C 30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
B23K 26/34 - Laser welding for purposes other than joining
C23C 24/10 - Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
The invention relates to a powder metallurgical composition for making compacted parts, comprising an iron or iron-based powder and a binder comprising a drying oil, wherein the drying oil comprises an ester of conjugated fatty acid and a polyol.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
C08G 63/47 - Polyesters chemically modified by esterification by unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
C08G 63/48 - Polyesters chemically modified by esterification by resin acids
C08G 63/668 - Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
C08G 63/91 - Polymers modified by chemical after-treatment
C09F 9/00 - Compounds to be used as driers (siccatives)
C09J 201/00 - Adhesives based on unspecified macromolecular compounds
C22C 33/02 - Making ferrous alloys by powder metallurgy
5.
IRON-COMPRISING COMPOSITION FOR IN SITU PREPARATION OF A REMEDIATION SOLUTION
Herein is detailed a concentrated slurry composition for remediation of groundwater after dilution with water, said concentrated slurry composition consisting based on total weight of the composition of: 30 wt% to 50 wt% iron powder, 1 wt% to 15 wt% of water, 0.1 wt% to 1.5 wt% of a surfactant, and at least 40 wt% of an organic water-miscible liquid carrier as balance, and, optionally, up to 10 wt% of an organic electron donor solution and/or a remediation chemical.
B09C 1/08 - Reclamation of contaminated soil chemically
B01J 20/02 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
C02F 1/70 - Treatment of water, waste water, or sewage by reduction
C02F 103/06 - Contaminated groundwater or leachate
6.
NEW POWDER, METHOD FOR ADDITIVE MANUFACTURING OF COMPONENTS MADE FROM THE NEW POWDER AND ARTICLE MADE THEREFROM
The present invention provides an Al-based powder suitable for additive manufacture. In one embodiment the powder consists 3-5.5% by weight of Mn, 0.2-2% by weight of Zr, 0.1-1.4% by weight of Cr, 0-2% by weight of Mg, at most 0.7% of Fe and Si in total, at most 0.7% by weight of O as an inevitable impurity, and at most 0.5% other inevitable impurities, balanced with Al. The present invention also concerns an additive manufacturing method as well as an article produced by additive manufacture.
A pre-alloyed brazing powder material consists of by weight about 3 to 15% iron, about 30 to 45% nickel, about 10 to 20% manganese, about 1 to 3% silicon, about 1 to 3% boron and the balance copper. The pre-alloyed brazing powder material can be mixed with up to 3% by weight of a powdered flux composition, or with a wax, and compacted into preforms to be used as a sinter-brazing material in a sinter-brazing process. The pre-alloyed brazing powder material makes it possible to obtain brazed joints with controlled infiltration depth and reduced substrate erosion, enabling effective mass manufacturing. A sinter-brazing material, sinter-brazing-method and a sinter-brazed product are also disclosed.
Disclosed is a new fully pre-alloyed brazing powder material. The pre-alloyed brazing powder contains specified amounts of iron, nickel, manganese silicon, boron and balanced with copper. The pre-alloyed brazing powder material can be mixed with up to 3% by weight of a powdered flux composition, or with a wax, and compacted into preforms to be used as a sinter-brazing material in a sinter-brazing process.
B23K 35/02 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
B23K 35/30 - Selection of soldering or welding materials proper with the principal constituent melting at less than 1550°C
B23K 35/36 - Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
B22F 9/08 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B23K 103/22 - Ferrous alloys and copper or alloys thereof
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
B22F 7/08 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
9.
BINDER COMPOSITION FOR ADDITIVE MANUFACTURING METHOD, ADDITIVE MANUFACTURING METHOD USING THE SAME, AND GREEN PART OBTAINABLE THEREBY
The present invention relates to a binder composition that is suitable for use in an additive manufacturing method, in particular an additive manufacturing method wherein particles are fused by ejecting a binder composition on e.g. a powder bed (Powder bed 3D printing, also known as "binder jetting", "drop-on-powder" or simply "3D printing" in the following), and a method using the same. The present invention also pertains to a Green Body that is formed as an intermediate in such a method, obtainable by binding together particles using the binder composition of the present invention.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
C09J 129/04 - Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
C09J 139/06 - Homopolymers or copolymers of N-vinyl-pyrrolidones
B33Y 80/00 - Products made by additive manufacturing
B33Y 70/00 - Materials specially adapted for additive manufacturing
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
10.
SOLID COMPOSITE MATERIAL COMPRISING NANOPARTICLES AND AN ALLOY BASED ON MANGANESE, ALUMINUM AND OPTIONALLY CARBON, AND METHOD FOR PRODUCING THE SAME
There is provided solid composite material comprising an alloy based on manganese, aluminum and optionally carbon, and dispersed nanoparticles made from a material X, as well as a method of manufacturing the same. The material X is different from manganese, aluminum, carbon or a mixture thereof and satisfying the following requirements the melting temperature of the material X is 1400°C or higher, preferably 1500°C or higher; and the material X comprises a metal. The composite material is suitable as a magnetic material or as a precursor of a magnetic material, and allows obtaining improved magnetic properties as compared to existing alloys based on manganese, aluminum and optionally carbon due the presence of the nanoparticles. A magnetic material in shaped form comprising the composite material and an electric or electronic device comprising the magnetic material are also part of the invention.
H01F 1/047 - Alloys characterised by their composition
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
The present invention relates to a method of producing an iron containing compound, iron containing precursor, or iron containing aqueous solution comprising the steps of: providing direct reduced iron; dissolving the direct reduced iron in organic and/or inorganic acids to provide an iron containing aqueous solution, wherein insoluble impurities of the direct reduced iron are maintained in solid form throughout the dissolution process, to obtain an iron containing aqueous solution with suspended insoluble impurities; separating the said insoluble impurities from the iron containing aqueous solution obtaining a purified iron containing aqueous solution; and optionally solidifying said purified iron containing aqueous solution to provide the iron containing compound or iron containing precursor, by drying. The present invention further relates to iron containing compounds, iron containing precursors, and iron containing aqueous solutions, and their use in battery components.
C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
12.
COATING, IN PARTICULAR FOR BRAKE DISCS, BRAKE DRUMS AND CLUTCH DISCS, BRAKE DISC FOR A DISC BRAKE OR BRAKE DRUM FOR A DRUM BRAKE OR CLUTCH DISC FOR A CLUTCH, DISC BRAKE OR DRUM BRAKE OR CLUTCH, METHOD FOR PRODUCING A COATING IN PARTICULAR FOR BRAKE DISCS, BRAKE DRUMS AND CLUTCH DISCS, AND USE OF A COATING
The present invention comprises a coating, in particular for brake discs, brake drums and clutch discs, and also a brake disc for a disc brake or a brake drum for a drum brake or a clutch disc for a clutch, a disc brake or drum brake or clutch itself and also a method for producing a coating in particular for brake discs, brake drums and clutch discs, and the use of a coating. The coating has a first layer, which comprises a metal-based material, which contains less than 20% by weight tungsten carbide or other carbides, and a second layer, which is applied to the first layer and comprises a tungsten-carbide-containing material, which contains 20% by weight to 94% by weight tungsten carbide, wherein the first and the second layers are thermally sprayed coatings.
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
C23C 28/02 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of metallic material
C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
F16D 69/00 - Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
F16D 65/10 - Drums for externally- or internally-engaging brakes
13.
COMPOSITION COMPRISING HIGH MELTING IRON ALLOY POWDER AND MODIFIED HIGH SPEED STEEL POWDER, SINTERED PART AND MANUFACTURING METHOD THEREOF, USE OF THE HIGH SPEED STEEL POWDER AS ADDITIVE FOR SINTERING
The present invention relates to a composition comprising certain iron alloy particles (A2) in combination with other high melting alloy particles (A1), in particular high speed steels and cobalt-based alloys, the iron alloy particles (A2) having a lower melting point than the high melting alloy particles (A1). The use of the particles (A2) in a sintering manufacturing allows broadening the process window and to obtain sintered parts having a high density, high hardness and high strength under various process conditions. This is particular useful for the PM manufacture of high melting alloys such as tool steel (including high speed steel (HSS)), which are otherwise difficult to process.
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/20 - Ferrous alloys, e.g. steel alloys containing chromium with copper
C22C 38/22 - Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
C22C 38/24 - Ferrous alloys, e.g. steel alloys containing chromium with vanadium
C22C 38/26 - Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
C22C 38/28 - Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
C22C 38/30 - Ferrous alloys, e.g. steel alloys containing chromium with cobalt
C22C 38/32 - Ferrous alloys, e.g. steel alloys containing chromium with boron
C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
C22C 38/38 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C22C 38/50 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
C22C 38/54 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
C22C 33/02 - Making ferrous alloys by powder metallurgy
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
14.
METAL HYDRIDE ALLOY POWDER FOR NIMH BATTERIES HAVING IMPROVED PROPERTIES, METHOD FOR PREPARING THE SAME, AND NIMH BATTERY WITH IMPROVED PROPERTIES COMPRISING THE METAL HYDRIDE ALLOY POWDER
The invention concerns a method for improving the properties of metal hydride (MH) alloys for hydride batteries, in particular nickel-metal hydride (NiMH) batteries. It also concerns a MH alloy having improved properties that may be obtained from the method, as well as a NiMH battery having improved properties. The invention furthermore concerns the use of hydrogen peroxide for improving the properties of a MH alloy.
The present invention relates to particles made from a High Speed Steel (HSS) that is modified to contain dispersed precipitations of manganese sulfide (MHSS), and to a Powder Metallurgy (PM) method using the same. It also relates to a part produced by the PM process using the modified HSS particles. It has been found that by forming a melt of a HSS and 1 ) Mn or a Mn-containing compound and 2) S or an S-containing compound, followed by an atomization process, modified HSS particle can be obtained containing dispersed sulfide precipitations containing mainly manganese sulfide. The amount of Mn and S are chosen such that the weight ratio of Mn to S (Mn/S), in wt-% of the total weight of the particle, is in the range of 8.0 - 1.0, preferably 5.5 to 3.0, such as from 5.5 to 3.5 or from 5.5 to 4.1. An article obtained by a PM manufacturing method using the particles has improved machinability as compared to a an article prepared from a corresponding non-modified HSS to which 1) Mn or a Mn-containing compound and 2) S or an S-containing compound were not added. Surprisingly, the physical properties of the article obtained from the modified HSS particles are not or not significantly impaired as compared to an article that is prepared from corresponding non-modified HSS particles.
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 33/02 - Making ferrous alloys by powder metallurgy
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/20 - Ferrous alloys, e.g. steel alloys containing chromium with copper
C22C 38/22 - Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
C22C 38/24 - Ferrous alloys, e.g. steel alloys containing chromium with vanadium
C22C 38/38 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
C22C 38/60 - Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 9/08 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
The present invention relates in one aspect to an iron-based alloy composition comprising: boron (B): 1.6-2.4 wt.%; carbon (C): 1.7-3.0 wt.%; molybdenum (Mo): 16.0-19.5 wt.%; nickel (Ni): 3.5-6.S wt.%; manganese (Mn): below 0.8 wt.%; silicon (Si): 0.2-3.0 wt.%; vanadium (V): 10.8-13.2 wt.%; and balanced with iron (Fe). In a further aspect the invention relates to an item comprising a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.
The present invention relates in one aspect to an iron-based alloy composition comprising: boron (B): 1. 6-2.4 wt.%; carbon (C): 2.2-3.0 wt.%; chromium (Cr): 3.5-5.0 wt.%; manganese (Mn): below 0.8 wt.%; molybdenum (Mo): 16.0-19.5 wt.%; nickel (Ni): 1.0-2.0 wt.%; silicon (Si): 0.2-2.0 wt.%; vanadium (V): 10.8-13.2 wt.%; and balanced with iron (Fe). In a further aspect the invention relates to an item comprising a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.
The present invention relates to thermally sprayed heat insulation layers which have vertical cracks, a method for the production thereof, and a component coated with such a heat insulation layer.
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
The present invention relates to an electrically insulated iron-based soft magnetic powder composition, a soft magnetic composite component obtainable from the powder composition and a process for producing the same. Specifically, the invention concerns a soft magnetic powder composition for the preparation of soft magnetic components working at high frequencies, the components being suitable for use e.g. as inductors or reactors for power electronics.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
20.
BINDER COMPOSITION FOR METAL INJECTION MOLDING FEEDSTOCKS; METAL INJECTION MOLDING FEEDSTOCK COMPRISING THE SAME; METAL INJECTION MOLDING PROCESS USING THE FEEDSTOCK, AND ARTICLE OBTAINED BY THE PROCESS
The present invention relates to a feedstock for a Injection Molding Process, consisting of sinterable particles P made from a metal, a metal alloy, a cermet, a ceramic material, a glass, or a mixture of any of these; and a binder composition B, the binder composition B comprising a binder polymer B1, a polymeric compatibilizer B2, and optionally a release agent B3, and a MIM manufacturing process using the same.
B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor for producing castings from a slip
xyzxyzz' wherein x' = 52.0 to 59.0, y' = 41.0 to 48.0, x' + y' = 100, and z' = 0.1 to 3.0, the process comprising one or more of the steps a. providing the raw materials of the alloy, melting the raw materials, and forming particles of the alloy by gas atomization of the molten alloy; b. performing a heat treatment on the alloy at 900 - 1200 °C; c. milling the alloy represented by formula (II) at a temperature of - 20°C or below, preferably -100°C or lower, further preferably -150°C or lower; and/or d. performing a heat treatment on particles of the alloy represented by formula (II) at a temperature of 900 to 1000°C for a time of 0.5 to 20 minutes, preferably 5 to 15 minutes. Each of these process steps, separately and in combination, facilitate the formation of an alloy having high phase purity and allows obtaining an MnAI alloy having improved magnetic properties.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
22.
IRON BASED ALLOY SUITABLE FOR PROVIDING A HARD AND CORROSION RESISTANT COATING ON A SUBSTRATE, ARTICLE HAVING A HARD AND CORROSION RESISTANT COATING, AND METHOD FOR ITS MANUFACTURE
An iron-based alloy that is able to provide a coating on a substrate, the coating having high hardness, corrosion resistance and bonding strength to the substrate. The iron-based alloy consists of (by weight) 16.00 -20.00 ％ Cr; 0.20 -2.00 ％ B; 0.20 -4.00 ％Ni; 0.10 -0.35 ％ C; 0.10 -4.00 ％Mo; optionally 1.50 ％ or less Si, 1.00 ％ or less Mn, 3.90 ％ or less Nb, 3.90 ％ or less V,3.90 ％ or less W and 3.90 ％ or less Ti; the balance being Fe and unavoidable impurities; with the proviso that the total amount of Mo, Nb, V, W and Ti is in the range of 0.1 -4.0 ％ by weight of the alloy. It further relates to an article comprising a substrate and coating formed thereon, the coating being formed from the alloy, and to a method for forming a coated article. The method preferably employs HVOF, HVAF, cold spraying, plasma spraying, laser cladding or plasma transferred arc cladding.
C22C 38/54 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
C23C 24/10 - Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
23.
IRON BASED ALLOY SUITABLE FOR PROVIDING A HARD AND WEAR RESISTANT COATING ON A SUBSTRATE, ARTICLE HAVING A HARD AND WEAR RESISTANT COATING, AND METHOD FOR ITS MANUFACTURE
An iron-based alloy consists of 3.0-7.0% by weight Cr; 1.3-3.0% by weight C; 0.2-2.0% by weight B; 2.0-10.0% by weight V; optionally 1.5% by weight or less Si; optionally 1.0% by weight or less Mn; optionally 2.0% by weight or less Mo; optionally 1.5% by weight or less Ni; the balance being Fe and unavoidable impurities. The iron-based alloy is able to provide a coating on a substrate. The coating has simultaneously high hardness and wear resistance. An article comprises a substrate and coating which being formed from the alloy. A method for forming a coated article preferably employs HVOF, laser cladding or plasma cladding.
The present invention provides particles each having a sinterable core and a polymeric coating on at least a part of the core, wherein the polymeric coating comprises a polymer that can be removed via decomposition by heat, catalytically or by solvent treatment, and wherein the polymeric coating is present in an amount of 0.10 to 3.00 % by weight, relative to the total weight of the particles, as well as the use of these particles in an additive manufacturing process such as a powder bed and inkjet head 3D printing process. The particles and the process are able to provide a green part having improved strength and are thus suitable for the production of delicate structures which require a high green strength in order to minimize the risk of structural damage during green part handling.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
The present invention relates to a new pre-alloyed metal based powder, intended to be used in surface coating of metal parts. The powder is deposited using e.g. laser cladding or plasma transfer arc welding (PTA), or thermal spray (e.g. HVOF). The powder is useful for reducing friction and improving wear reducing properties of the deposited coating. Such coatings may also improve machinability. As friction or wear reducing component, inclusions of manganese sulphide or tungsten sulphide in the pre-alloyed powder may be used.
Embodiments of the present invention may provide a new stainless steel powder suitable for manufacturing of duplex sintered stainless steels. Embodiments of the present invention may also relate to a method for producing the stainless steel powder, the duplex sintered stainless steel as well as methods for producing the duplex sintered stainless steel.
C22C 33/02 - Making ferrous alloys by powder metallurgy
B22F 9/08 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
C22C 38/40 - Ferrous alloys, e.g. steel alloys containing chromium with nickel
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
27.
DISTRIBUTOR DEVICE FOR A FILLING SHOE FOR COMPRESSION MOULDING
The present invention relates to a distributor device for use in a filling shoe for filling a mould cavity of a powder compression die, the distributor device having an inlet portion connectable to a powder supply; an outlet portion with an outlet opening; and a distributor portion arranged between the inlet portion and the outlet portion. The distributor portion comprises one or more guide elements arranged to divide the distributor portion into a plurality of distributor channels. The distributor channels have an input with an input cross-sectional area at an upstream end of the distributor channel and an output with an output cross-sectional area at a downstream end of the distributor channel, wherein the input cross-sectional area differs from the output cross-sectional area for at least one of the distributor channels.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
The present invention relates to an improved feedstock for a 3D manufacturing process, in particular a Fused Filament Fabrication process. The feedstock comprises (P) sinterable particles made of a metal, metal alloy, glass, ceramic material, or a mixture thereof; and (B)a binder composition comprising (b1) 5 – 15 % by weight, relative to the total weight of the binder composition, of a polymeric compatibilizer, and (b2) 85 – 95 % by weight, relative to the total weight of the binder composition, of a polymeric binder component, the polymeric binder component being selected from the group consisting of (b2-1) a polymer mixture or polymer alloy, the mixture or alloy comprising at least a first and a second polymer, the Tg of the first polymer being -20 °C or lower and the Tg of the second polymer being 60 °C or higher; (b2-2)one, two or more block copolymers, comprising at least a first polymer block and second polymer block, the first polymer block having a Tg in the range of -20 °C or lower and the second polymer block having a Tg of 60 °C or higher; and25 (b2-3) mixtures of (b2-1) and (b2-2); wherein the amount of sinterable particles (P) is 40 Vol.-% or more of the composition.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
The present invention relates to an inductive device (100) and a manufacturing method. The inductive device comprising: a magnetic core (170) forming a void and a void opening (150); a winding accommodated in the void of the magnetic core; at least one lead wire extending from the winding; a cured material (131) provided at least at a part of the void opening; and at least one rigid terminal element (140) connected to the winding via the at least one lead wire, the at least one rigid terminal element being partly embedded in and protruding from the cured material.
H01F 41/00 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
Disclosed are an inductive device (100) and a method for manufacturing an inductive device. The inductive device comprising: a magnetic core (170) forming a void (160), the magnetic core comprising an outer core portion (102) and an inner core portion (218), the magnetic core forming a first gap (190) between a first part (191) of the inner core portion a second part (192) of the magnetic core (170), the first part (191) of the inner core portion comprising an inner surface (193) defining a first through hole (194); a sealing member (180) accommodated at least partly in the first through hole, the sealing member comprising an outer surface (181) forming a first seal with the inner surface (193) defining the first through hole (194), such that at least a part of the first through hole is sealed from the first gap (190); a winding (111) accommodated in the void (160) of the magnetic core, the winding defining a first axial direction; and a cured material (131) provided within at least a part of the first gap (190).
H01F 41/00 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
A coated iron powder including a core of precursor iron powder, wherein the iron powder is reduced or electrolytic iron powder; a first coating including a first polymer and a first pigment, wherein the coating has a thickness of 5 to 30 µm; a coating of an adjuvant, wherein the adjuvant includes ascorbic acid; and a second coating including a second polymer and a second pigment, wherein the coating has a thickness of 5 to 30 µm.
A filtering medium for removing the content of contaminants in fluids, wherein said filtering medium includes an acid-washed iron-based powder, wherein the acid-washed iron-based powder is formed by washing an iron-based powder in HCl, wherein the BET surface area of the acid-washed iron-based powder is at least 1.2 m2/g, wherein the acid- washed iron-based powder has a Fe content of at least 90% by weight. And, a method for reducing the content of contaminants in fluids including the steps of: a) providing the filtering medium, b) bringing one or more contaminated fluid(s) in contact with the filtering medium to reduce the content of contaminants in said one or more fluid(s), c) optionally removing the filtering medium from the one or more fluid(s) with a reduced content of contaminants.
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
B01J 20/30 - Processes for preparing, regenerating or reactivating
C02F 1/66 - Treatment of water, waste water, or sewage pH adjustment
B01J 20/02 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
A device for electrocoagulation to treat a process stream, such as water, wastewater, or industrial waste. Also, a method to treat a process stream, such as water or wastewater, or industrial waste, utilizing said device. An electrocoagulation device configured to treat a process stream, the device including a cathode; an anode, wherein the anode is porous and water permeable and made of a compacted powder comprising iron and having a porosity between 11 and 62% by volume; and a pressure system, wherein the pressure system is configured to flow the process stream through the anode, such that a pressure differential across the anode is at least 6.9 kPa (1 psi).
The invention relates to powder metallurgy, in particular production of tungsten monocarbide spherical powders, which is a major component of metalloceramic hard alloys used for manufacture of tools, drill bits, steel alloying, wear- resistant coating cladding at elements operating in intensive wear conditions. The method includes melting of the starting material, and melt atomization with forming of spherical powder. As starting material a tungsten monocarbide grit is used. Melting and atomization of the material is implemented by continuous filling of grit into a rotating crucible of a centrifugal atomization device under an inert atmosphere and melting it by a plasma arc. After that an annealing of the obtained powder is made at a temperature of 1200-1400°C during a time necessary for W2C breakup with subsequent cooling of the powder in a furnace. The invention is directed to production of tungsten monocarbide spherical powder with WC content of more than 70 %.
Disclosed is a new diffusion-bonded powder consisting of an iron powder having 1-5%, preferably 1.5-4% and most preferably 1.5-3.5% by weight of copper particles diffusion bonded to the surfaces of the iron powder particles. The new diffusion bonded powder is suitable for producing components having high sintered density and minimum variation in copper content.
C22C 33/02 - Making ferrous alloys by powder metallurgy
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
The present invention concerns an iron-based powder composition comprising, in addition to an iron-based powder, a minor amount of a machinability enhancing additive, said additive comprising at least halloysite. The invention further concerns the use of the machinability enhancing additive and a method for producing an iron-based sintered component for easy machining.
The present invention concerns a composite iron- based powder mix suitable for soft magnetic applications such as inductor cores. The present invention also concerns a method for producing a soft magnetic component and the component produced by the method.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
C22C 33/02 - Making ferrous alloys by powder metallurgy
The present invention relates to a feedstock for metal injection molding, comprising a coarse stainless steel powder, having an median particle size of 20-60µm, and 99% of the particles less than 120 µm, wherein the iron-based powder comprises, by weight percent;15-17%Cr; 3-5% Ni; 3-5%,Cu; 0.15-0.45% Nb; <1.0% Mn; <1.0% Si; less than 0.08% C; and a binder.
B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor for producing castings from a slip
C22C 33/02 - Making ferrous alloys by powder metallurgy
C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
A new iron-based powder containing a plurality of composite particles composed of a ferritic iron or iron- based porous structural particles having at least one particulate friction modifier distributed in the pores and cavities of the structural particles and further containing at least one particulate stabilizer-sealer. The composite particle is especially suited to be used as a functional material in friction formulations such as brake pads and enable replacement of copper or copper-based materials used in such friction material formulations.
Disclosed herein are embodiments of an inductive device comprising: a winding defining an axial direction; a coil former; and a magnetic core comprising a base core portion from which an outer core portion and an inner core portion extend in the axial direction so as to form a void for accommodating the coil former and the winding; wherein the coil former comprises one or more walls together defining a void for receiving the winding and separating the winding from the inner core portion and from the outer core portion.
H01F 27/30 - Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
H01F 27/32 - Insulating of coils, windings, or parts thereof
The applicant have found that a laser cladding or plasma transferred arc overlay welding process may be used advantageously to apply and to control the material properties of a coating designed for protecting the substrate against wear, corrosion and oxidation at elevated temperature. Furthermore, a laser cladding or plasma transferred arc overlay welding process may be used to apply the coating alloy materials in applications where traditional thermal spray or weld-applied coatings are not practical. By using these welding methods very good bonding is achieved by fusion during welding. At the same time the properties of the clad layer is preserved by the limited dilution typical of these two welding methods compared traditional overlay welding, by e.g. Gas Tungsten Arc Welding and the like.
C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
B23K 9/04 - Welding for other purposes than joining, e.g. built-up welding
B23K 26/34 - Laser welding for purposes other than joining
C23C 24/10 - Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
C23C 30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
42.
NICKEL BASED ALLOY WITH HIGH MELTING RANGE SUITABLE FOR BRAZING SUPER AUSTENITIC STEEL
The invention discloses a nickel based brazing filler metal in form of an alloy containing or consisting of between 20wt% and 35wt% chromium, between 7wt% and 15wt% iron and between 2.5wt% and 9wt% silicon, between 0wt% and 15wt% molybdenum, unavoidable impurities and the balance being nickel. The solidus temperature of the brazing filler shall be between 1140°C and 1240°C. The brazing filler metal is suitable for production of catalytic converters and heat exchangers. The invention also discloses a brazing method.
The present invention concerns an iron-based powder composition comprising at least an iron-based powder, and a minor amount of a machinability enhancing additive, said additive comprising at least one titanate compound. The invention further concerns the use of the machinability enhancing additive and a method for producing an iron-based sintered component for easy machining.
The present invention relates to an electric machine assembly comprising an electric DC or AC machine having a plurality of power terminals for supply of a DC or AC generator voltage and receipt of a DC or AC input drive voltage. A motor control unit is operatively coupled to the electric machine and comprises a bi-directional AC/DC power converter which is configured to operate in a first conversion mode for conversion of the DC or AC generator voltage into a rectified DC voltage at first and second battery connections of the motor control unit and a second conversion mode for conversion of a DC battery voltage applied at the first and second battery connections into the DC or AC input drive voltage. A controller of the motor control unit is coupled to the bi-directional AC/DC power converter for selection of one of the first and second conversion modes. The motor control unit comprises an overvoltage protection circuit operatively coupled between the first and second battery connections. The overvoltage protection circuit comprises a first controllable semiconductor device configured to selectively electrically connect or disconnect the first and second battery connections in accordance with a first trigger signal applied to a control terminal of the controllable semiconductor device. A trigger voltage generator coupled to the first and second battery connections is configured to generate the first trigger signal in response to the rectified DC voltage exceeding a predetermined trigger voltage level.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
H02P 29/02 - Providing protection against overload without automatic interruption of supply
H02H 7/125 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm for rectifiers for static converters or rectifiers for rectifiers
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
H02P 3/14 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor by regenerative braking
H02P 3/22 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by short-circuit or resistive braking
45.
A PRE-ALLOYED IRON- BASED POWDER, AN IRON-BASED POWDER MIXTURE CONTAINING THE PRE-ALLOYED IRON-BASED POWDER AND A METHOD FOR MAKING PRESSED AND SINTERED COMPONENTS FROM THE IRON-BASED POWDER MIXTURE
The present invention provides a low cost pre-alloyed iron based powder which has high compressibility, capable of rendering a compacted and sintered component high green density, (GD), and high sintered density, (SD). Also, a method or process for producing components, especially gears, including compaction of powder mixture containing the pre-alloyed iron-based powder, sintering of the compacted component, Low Pressure carburizing, (LPC), High Pressure Gas Quenching, (HPGQ), and tempering, is provided. In one embodiment, the process includes high temperature sintering. Other aspects of the present invention include a powder mixture containing the pre-alloyed iron based powder and components produced by the new process from the powder mixture. Such carburized components exhibit a hard surface combined with a softer and tougher core, necessary properties for e.g. automotive gears subjected to harsh environment.
A stator of an axial flux electric machine has a slotted stator core that is assembled from stator core segments (x00), and coils with a toroidal winding topology. The stator core segment (x00) comprises a yoke portion (x10) and a tooth portion (x20). The tooth portion (x20) projects in at least one axial direction from the yoke portion (x10), wherein the tooth portion (x20) comprises one or more pole pieces (x24, x25), and wherein each of the pole pieces (x24, x25) has a pole face (x21, x22) that is oriented in the axial direction. The yoke portion (x10) has a first abutment face (x11) facing towards a first circumferential direction and a second abutment face (x12) facing in a second circumferential direction opposite to the first circumferential direction, wherein the yoke portion (x10) is shaped and dimensioned such with respect to the tooth portion (x20) that the first abutment face (x11) of the core segment (x00) abuts a second abutment face (x12) of a circumferentially adjacent core segment (x00) when these are assembled in a stator core assembly.
According to one aspect of the inventive concept there is provided a method for producing a rotor for a screw compressor comprising: providing a shaft, and forming at least two rotor segments of compacted metal powder, said segments comprising an outer threaded surface and an inner surface defining a through-hole for receiving the shaft and wherein each segment is movable along the shaft,and arranging the segments on the shaft, wherein a boundary surface of at least a longitudinal section of the shaft and said inner surface of each segment are arranged to cooperate such that a continuous threaded surface is formed by the outer threaded surfaces of the segments when each of said segments is moved to a respective position along the shaft. There is also provided a kit of parts for producing a rotor.
B23F 15/08 - Making intermeshing rotors, e.g. of pumps
B23P 15/00 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
The present invention relates to a metal powder composition for making compacted parts, the metal powder composition comprising (i) sponge iron particles or sponge iron-based particles, and (ii) a lubricant comprising at least two different fatty acid amides.
By alloying a copper alloy powder with 1.5 - 6 wt.-% nickel and optionally 1 - 3.5 wt.% silicon, the melting and wetting behavior is modified. The composition according to the invention provides improved wetting properties, resulting in lower dimensional change during sintering, and higher impact energy compared to pure Cu. The present invention shows an improvement of the dimensional behavior of steel from the design step of the liquid phase. The composition of the liquid promoter is optimized in order to obtain a liquid showing an excellent wetting capacity, so that improved dimensional control can be achieved.
The present invention provides a process for manufacturing a compound in powder form, wherein said compound is the reaction product of (i) at least one metal and/or metalloid, and (ii) at least one further element that is more electronegative than the or each said metal and/or metalloid, which process comprises the steps of: a. mixing at least one oxide of said at least one metal and/or metalloid with a reducing agent comprising Ca or Mg granules or powder, and/or calcium hydride or magnesium hydride in granule or powder form, to form a mixture; b. exposing the mixture to a source of said at least one further element; c. maintaining said mixture under a H2 atmosphere at a temperature of from 950°C to 1500°C for 1-10 hours; and d. recovering said compound in powder form; wherein said at least one further element is selected from carbon, nitrogen, boron, silicon and mixtures thereof. The present invention also provides a compound in powder form obtainable by such a process.
The present disclosure relates to an inductor comprising a coil and a side wall. The side wall surrounds the coil,and comprises an outer portion of an inductor core and/or a shielding sleeve. The side wall comprises an opening providing an electrical connection of the coil. The opening is covered by a filling material, which fills the opening except for where the electrical connection passes.
The present invention concerns a method of making sintered components made from an iron-based powder composition and the sintered component per se. The method is especially suited for producing components which will be subjected to wear at elevated temperatures, consequently the components consists of a heat resistant stainless steel with hard phases including chromium carbo-nitrides. Examples of such components are parts in turbo chargers for internal combustion engines.
The present invention concerns a composite iron-based powder mix suitable for soft magnetic applications such as inductor cores. The present invention also concerns a method for producing a soft magnetic component and the component produced by the method.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
B22F 9/00 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
The present invention concerns a composite iron-based powder suitable for soft magnetic applications such as inductor cores. The present invention also concerns a method for producing a soft magnetic component and the component produced by the method.
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
55.
METHOD FOR APPLYING PASTE ON A SURFACE OF ELEVATED PORTIONS OF A COMPONENT, APPARATUS SUITABLE FOR CARRYING OUT THE METHOD AND PRODUCT MANUFACTURED BY THE METHOD
The present invention relates to a method for applying paste on a surface of elevated portions of a component, an apparatus suitable for carrying out the method and a product manufactured by the method, said method for applying paste onto a surface of elevated portions of a component, said method comprising the steps of providing a component at a support surface, the component having one or more elevated portions, transferring paste from a paste reservoir to one or more paste rollers, the paste roller having a resiliently surface, wherein causing relative movement of the support surface and/or the one or more paste rollers relative to each other in a direction of motion, the direction of motion being parallel with a longitudinal axis of the one or more paste rollers and with an extent of the support surface, whereby an uppermost part of the elevated portions of said component passes and indents into the resilient surface of the one or more paste rollers, simultaneously squeezing the paste from the one or more paste rollers to positions adjacent the uppermost part of the elevated portions of the component.
B23K 1/00 - Soldering, e.g. brazing, or unsoldering
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
B05C 1/08 - Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller
The inventors of the present invention has unexpectedly found a solution to the above mentioned problem and provided a method for producing brazing preforms including the steps of providing an iron-, iron and chromium-, nickel- or cobalt- based spherical brazing powder. Converting the brazing powder into an agglomerated coarser powder suitable to be compacted into desired preforms and ejecting the preforms from the compaction die, the preforms having integrity and strength enough to let them be handled in an automated brazing line. Optionally, after ejecting from the compaction die, the preforms may be heat treated or subjecting to a sintering process if higher strength is desired. The present invention also provides the preform per se and a brazing process utilising the brazing preform.
The present invention concerns a new metal powder which is useful for coating cast iron parts. The invention also relates to a method for coating cast iron parts by using the new metal powder. Of special importance is the possibility to use the metal powder for coating the surfaces of glass moulds. The invention also relates to metal parts, such as cast iron parts, or glass moulds which are coated by the metal powder.
The invention provides a process for manufacturing metal containing powder, the process comprising the steps of: (a) mixing at least one metal oxide powder with Ca or Mg granules and/or calcium hydride in granule or powder form to form a mixture; (b) maintaining said mixture under an H2 atmosphere, at a temperature between 1000°C and 1500°C for 1-10 hours, followed by: (c) recovering metal containing powder. In one embodiment, metal hydride powder is recovered. In another embodiment the process further includes between steps (b) and (c): (d) switching the H2 atmosphere to an Ar atmosphere and maintaining the mixture thereunder for a period of 20 minutes to 5 hours, followed by: (e) cooling under Ar atmosphere, wherein metal powder is recovered in step (c).
C01B 6/00 - Hydrides of metals; Monoborane or diborane; Addition complexes thereof
B22F 9/22 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
An inductor comprising a coil and an inductor core, the inductor core comprising an inner core portion surrounded by the coil and an outer core portion surrounding the coil and defining an outer surface of the inductor core; wherein the inductor further comprises a tubular shielding sleeve surrounding the inductor core where an inner surface of the sleeve is in contact with an outer surface of the inductor core.
The present invention relates to an electrochemical cell containing a sacrificial electrode suitable for electrocoagulation as well as an electrocoagulation process for removing various pollutants from water or wastewater by the use of the electrochemical cell. The present invention also concerns the sacrificial electrode per se. Several electrochemical cells according to the invention can be coupled to an electrochemical cell assembly. Certain aspects and embodiments of the invention are especially suitable for reduction of fluoride or fluoride in combination with heavy metals such as hexavalent chromium or arsenic.
A stator for a flux switching modulated pole machine, the stator comprising a stator core, a coil, and at least two permanent magnets, the stator core comprising at least four coaxial annular stator core members, each comprising a respective set of radially protruding teeth, the teeth of each annular stator core member being distributed along a circumferential direction, wherein the annular stator core members are axially displaced relative to each other, and wherein the teeth of each annular stator core member are circumferentially displaced relative to the teeth of each adjacent annular stator core member; wherein the coil is arranged coaxial with the annular stator core members and axially sandwiched between two of the sets of teeth; and wherein the permanent magnets are axially magnetized and axially sandwiched between two of the annular stator core members.
H02K 21/38 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
H02K 21/44 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary with armature windings wound upon the magnets
The inductor core (5) has a higher magnetic permeability than air, and comprises an endless channel adapted for containing an inductor winding (2), where the inductor core extends along a first axis A, and the inductor winding (2) extends completely around the first axis A of the inductor core (5) in such a way that the inductor winding (2) has a number of discrete positions or first sections (3) where it extends in a direction being perpendicular to the first axis A of the inductor core (5), and wherein the inductor winding (2), between the discrete positions or first sections, has second sections (4) where it extends at least partly along the first axis A.
An inductor core comprising a two separate inductor core components which, when assembled with each other, together form the inductor core and define a common axis; wherein the inductor core components form at least one magnetic flux barrier, the magnetic flux barrier having a width in the circumferential direction relative to the common axis; wherein said width is adjustable by rotating the inductor core components relative to each other around the common axis.
H01F 21/06 - Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
The present invention relates to a new pre-alloyed metal based powder, intended to be used in surface coating of metal parts. The powder is deposited using e.g. laser cladding or plasma transfer arc welding (PTA), or thermal spray (e.g. HVOF). The powder is useful for reducing friction and improving wear reducing properties of the deposited coating. Such coatings may also improve machinability. As friction or wear reducing component, inclusions of manganese sulphide or tungsten sulphide in the pre-alloyed powder may be used.
The present invention relates to an iron-boron alloy powder or an iron-boron alloy powder composition suitable for remediation of halogenated hydrocarbon polluted soil, water or groundwater as well as the use of the powder or powder composition. Further, the present invention provides a method for remediation of halogenated hydrocarbon polluted soil, water or groundwater.
A rotor for a modulated pole machine, the modulated pole machine comprising a stator, the rotor, and an active gap between respective interface surfaces of the rotor and the stator for communicating magnetic flux between the stator and the rotor, the rotor being adapted to rotate relative to the stator around an axis of the rotor, and the rotor comprising a plurality of permanent magnets separated from each other in the circumferential direction by pole pieces; wherein each pole piece comprises an interface surface facing the active air gap, wherein the interface surface of one or more of the pole pieces comprises different portions having a different radial distance from the axis.
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
A stator core component for a stator of a modulated pole machine, the modulated pole machine comprising the stator and a rotor, the stator and the rotor defining an air gap between respective interface surfaces of the rotor the stator for communicating magnetic flux between the stator and the rotor, wherein the stator core component comprises an annular part from which a plurality of teeth extend in a radial direction towards the rotor, the teeth being arranged along a circumference of the annular part, each tooth having an interface surface facing the air gap and adapted to allow magnetic flux to communicate between the stator and the rotor via the air gap, the interface surface of each tooth defining a tooth span in the circumferential direction of the tooth; wherein the stator core component comprises at least a first subset of teeth having a first tooth span and a second subset of teeth having a second tooth span, different from the first tooth span.
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
A stator for an electric machine, the stator comprising a stator core and a winding. The stator core comprises an annular stator core back component providing a magnetic flux path in a circumferential direction and in an axial direction of the annular stator core back component; and a plurality of stator pole components each comprising a mounting part mounted to the stator core back component, an interface part defining an interface surface facing an active air gap between the stator and a rotor of the electrical machine;and a radially oriented tooth part extending radially from the annular stator core component and connecting the interface part with the mounting part.
H02K 21/14 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
H02K 21/16 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
The present invention concerns a powder metallurgical produced component and the manufacturing process thereof. In particular, the component is a belt pulley to be used in a combustion engine, the component having enhanced resistance against wear and sufficient strength. The production method utilise comparably non expensive powder materials and production steps, hence being cost effective.
The present invention provides a material which can be used to manufacture components which exhibit high strength and high wear resistance, at the same time possessing reasonable ductility. The material also has cost advantages compared to other potential metal powder solutions. The invention provides an iron based powder composition which achieves desired microstructure/properties and associated sliding wear resistance with reduced content of expensive alloying ingredients such as admixed elemental Ni and Copper.
The present invention provides a method for controlling and regulating an electrical auxiliary motor (204, 402) suitable for a pedal-driven vehicle (110) comprising a crank axle (136, 302), such as a bicycle, in such a way that said electrical auxiliary motor (204, 402) assists a user in rotating said crank axle (136, 302) by muscular force, and comprising the steps of: a) receiving information about the specific torque TPSet said user would like to generate when rotating said crank axle by muscular force; b) determining the actual torque TP generated by the user on the crank axle (136, 302); c) for each TP, adjusting the torque generated by the electrical auxiliary motor (204, 402) TM in such a way that: TM is increased in case TP is higher than TPSet; TM is not changed in case TP is equal to TPSet; TM is reduced in case TP is lower than TPSet; and TM is 0 in case TP is 0.
The inventors have developed a new alloy which is useful in HVOF-spraying of a substrate, such as plungers which are used in glass manufacture. When coated with said alloy, these parts display high wear resistance and consequently longer lifetime.
B22F 3/115 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor by spraying molten metal, i.e. spray sintering, spray casting
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
The present invention relates to a combustion method for producing a lithium insertion material for a cathode in a Li-ion battery, the material comprising iron, lithium, silicon, and carbon.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
According to the present inventive concept there is provided an inductor core made of a compressed soft magnetic powder material. The inductor core comprises: a base core portion having a first surface and an opposite second surface; an inner core portion extending from the first surface in a direction transverse to the first surface; an outer core portion extending, in the direction transverse to the first surface, from the first surface to an end surface of the outer core portion, the outer core portion at least partly surrounding the inner core portion, thereby forming a space around the inner core portion for accommodating a winding; wherein the first surface comprises a recess for accommodating a connection portion of the winding, said recess extending at least a part of a distance between the inner core portion and the outer core portion, and wherein the outer core portion presents a slit extending from said end surface towards the recess, and wherein the second surface comprises a first protrusion oppositely arranged to the recess. There is also provided an arrangement for a press and a manufacturing method.
The present invention concerns a method for producing compacted and sintered parts from an austenitic stainless steel powder composition. The invention further concerns a sintered component made by the method, in particular a turbocharger component.
The present invention concerns a composite iron- based powder mix suitable for soft magnetic applications such as inductor cores. The present invention also concerns a method for producing a soft magnetic component and the component produced by the method.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
The present invention concerns a filtering medium, a method for the production thereof, the use of said filtering medium and a method for reducing the content of multiple contaminants simultaneously in fluids by means of said filtering medium, wherein said filtering medium consists of or comprises at least one of the following: a mixture (A) containing a major part of an iron-based powder and a minor part of a silver powder, an iron-silver powder alloy (B), and an iron-based porous and permeable composite containing silver (C).
B01D 39/06 - Inorganic material, e.g. asbestos fibres, glass beads or fibres
C02F 1/00 - Treatment of water, waste water, or sewage
C02F 1/50 - Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
C02F 1/70 - Treatment of water, waste water, or sewage by reduction
C02F 101/12 - Halogens or halogen-containing compounds
According to one aspect of the present inventive concept there is provided an inductor core comprising: an axially extending core member,an axially extending external member at least partly surrounding the core member, thereby forming a space around the core member for accommodating a winding between the core member and the external member, a plate member presenting a radial extension and being provided with a through-hole, wherein the core member is arranged to extend into the through-hole,wherein the plate member is a separate member from the core member and the external member and is adapted to be assembled with the core member and the external member, wherein a magnetic flux path is formed which extends through the core member, the plate member and the external member.
An iron-based powder composition for metal injection molding having an average particle size of 20-60μm, and having 99% of the particles less than 120 μm wherein the iron- based powder composition comprises by weight percent of the iron- based powder composition; Mo: 0.3-1.6 P: 0.1 − 0.6, Optionally max 3.0 Cu, Optionally max 0.6 Si, Optionally max 5 Cr, max 1.0 of unavoidable impurities, whereof carbon is less than 0.1, the balance being iron, and wherein the sum of Mo and 8*P content is within the range of 2-4.7.
The present invention concerns a composite iron-based powder suitable for soft magnetic applications such as inductor cores. The present invention also concerns a method for producing a soft magnetic component and the component produced by the method.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
A stator core section for a stator of a modulated pole machine, the modulated pole machine comprising the stator, a moving device, and an active gap between respective interface surfaces of the moving device and the stator for communicating magnetic flux between the stator and the moving device, the moving device being adapted to move relative to the stator in a direction of motion, wherein the stator core section comprises a stator core back from which a plurality of teeth extend, each tooth extending in a respective first direction defining a direction towards the rotor, the teeth being arranged along a second direction defining the direction of motion, each tooth having at least one side wall facing a neighbouring tooth and an interface surface facing the active gap, the interface surface and the side wall forming an edge connecting the interface surface and the side wall; wherein the edge is round defining a radius of curvature in a plane spanned by the first and second directions; and wherein the radius of curvature varies along a lateral direction normal to said plane.
A rotor for an inner-rotor modulated pole machine, the rotor being configured to generate a rotor magnetic field for interaction with a stator magnetic field of a stator of the modulated pole machine, wherein said rotor is adapted to rotate around a longitudinal axis of the rotor; wherein the rotor comprises a plurality of permanent magnets arranged circumferentially around the longitudinal axis, each permanent magnet being magnetised in a direction of magnetisation so as to generate a magnetic flux; a plurality of axial flux guiding members each adapted to provide an at least two-dimensional flux path for the magnetic flux generated by a respective one of the plurality of permanent magnets; a support structure comprising an inner tubular support member arranged radially inward of the plurality of permanent magnets; and at least one outer flux guiding member adapted to provide a path in at least a radial direction for the magnetic flux generated by one or more of the plurality of permanent magnets.
The present invention concerns a filtering medium, a method for the production thereof, the use of said filtering medium and a method for reducing the content of multiple contaminants simultaneously in fluids by means of said filtering medium through a physical barrier, a chemical process or biological process, wherein said filtering medium consists of or comprises at least one of the following: a mixture (A) containing a major part of an iron-based powder and a minor part of a copper based powder, an iron-copper powder alloy (B), and an iron-based porous and permeable composite containing copper (C).
B01D 15/00 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
B01J 20/02 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
C22C 33/02 - Making ferrous alloys by powder metallurgy
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
84.
LITHIUM IRON SILICATE CATHODE MATERIAL AND ITS PRODUCTION
The present invention relates to a method for producing a lithium insertion material comprising the steps of: providing an iron containing compound, a lithium containing compound and a silicate containing compound; providing a solvent; subjecting the compounds in said solvent to dissolution in order to obtain a solution; subjecting the solution to temperature above the boiling point of the solution at 1 atmosphere and at pressure above 1 atmosphere in order to obtain a precipitate; and filtering the obtained precipitate from the solution and subjecting the precipitate to washing and drying.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
The present invention concerns a method of producing sintered components, and sintered components by the method. The method provides a cost effective production of sintered steel parts with wear resistance properties comparable to those of components made from chilled cast iron.
A hub electric motor unit for a motor-driven or motor-assisted vehicle, the vehicle comprising a frame, a wheel having a hub (109) and a wheel rim (101) connected to the hub by a plurality of spokes (104); the hub electric motor unit comprising a shaft (102) connectable to the frame of the vehicle, a stator unit (108) mounted on the hub shaft, a rotor (107) disposed around and coaxially with the hub shaft; a hub shell (110) rotatably mounted on the hub shaft, wherein the hub shell comprises two cap members (105) axially disposed on respective sides of the rotor; wherein each cap member comprises a connecting part for connecting a respective subset of the spokes.
B62M 6/65 - Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
87.
FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION
The present invention relates to a ferromagnetic powder composition comprising soft magnetic iron-based core particles, wherein the surface of the core particles is provided with at least one phosphorus-based inorganic insulating layer and then at least partially covered with metal-organic compound(s), wherein the total amount of metal-organic compound(s) is between 0.005 and 0.05 % by weight of the powder composition, and wherein the powder composition further comprises a lubricant. The invention further relates to a process for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
Disclosed is a stator for an electrical rotary machine, said stator comprising: a first and a second annular stator core section each including a respective plurality of teeth protruding from the respective stator core section; a coil arranged axially between the first and second stator core sections, wherein the first and second stator core sections and the coil encircle a common geometric axis; wherein the first stator core section comprises a recess forming a wire channel so as to establish a radial passage for a wire leading to or from the coil; wherein the second stator core section comprises an indexing protrusion for guiding assembly of the first and second stator core sections with each other in a predetermined circumferential position of the teeth of the second stator core section relative to the teeth of the first stator core section; and wherein the indexing protrusion is adapted to axially extend into the wire channel to define a circumferential position of the second stator core section relative to the first stator core section.
A rotor for a modulated pole machine, the rotor being configured to generate a rotor magnetic field for interaction with a stator magnetic field of a stator of the modulated pole machine, wherein said rotor comprises: a tubular support structure defining (201, 301) a circumferential mounting surface, the tubular support structure comprising a plurality of elongated recesses (202) in the mounting surface, the elongated recesses extending in an axial direction of the tubular support structure and a plurality of permanent magnets (203) arranged at the mounting surface of the tubular support structure and magnetised in the circumferential direction of said rotor so as to generate the rotor magnetic field, the permanent magnets (203) being separated from each other in the circumferential direction of the rotor by axially extending rotor pole sections (204) for directing the rotor magnetic field generated by said permanent magnets in a radial direction, wherein at least one permanent magnet (203) or one rotor pole section (204) extends at least partly into one of the plurality of recesses.
The present invention relates to a bonded metallurgical powder composition comprising: an iron-based powder having a weight average particle size in the range of 20-60 μm, in an amount of at least 80 percent by weight of the composition, graphite powder in an amount between 0.15-1.0 percent by weight of the composition, a binding agent in an amount between 0.05-2.0 percent by weight of the composition, a flow agent in an amount between 0.001-0.2 percent by weight of the composition; wherein the graphite powder is bound to the iron-based powder particles by means of the binding agent, and wherein the powder composition has an apparent density of at least 3.10 g/cm3 and a hall flow rate of at most 30 s/50g. The invention also relates to a method for producing a sintered component with improved strength from the inventive composition, as well as to a heat treated sintered component produced according to said method.
C22C 33/02 - Making ferrous alloys by powder metallurgy
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
A water atomized stainless steel powder which comprises by weight -%: 10.5 –30.0 Cr, 0.5 –9.0 Ni, 0.01 –2.0 Mn, 0.01 –3.0 Sn, 0.1 –3.0 Si, 0.01 –0.4 N, optionally max 7.0 Mo, optionally max 7.0 Cu, optionally max 3.0 Nb, optionally max 6.0 V, balance iron and max 0.5 of unavoidable impurities.
The present invention concerns a ferromagnetic powder composition comprising soft magnetic iron-based core particles having an apparent density of 3.2-3.7 g/ml, and wherein the surface of the core particles is provided with a phosphorus-based inorganic insulating layer and at least one metal-organic layer, located outside the first phosphorus-based inorganic insulating layer. The invention further concerns a process for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
This invention relates to a brazing filler metal with excellent wetting behaviour on stainless steel base material. The brazing filler metal produces a brazed joint with high strength and good corrosion resistance. The brazing filler metal is suitable for brazing stainless steel and other materials where corrosion resistance and high strength is required. Typical examples of applications are heat exchangers and catalytic converters. The iron-chromium based brazing filler metal powder according to the invention comprises: between 11 and 35wt% Chromium, between 0 and 30wt% Nickel, between 2 and 20wt% Copper, between 2 and 10wt% Silicon, between 4 and 10wt% Phosphorous, between 0- 10wt% Manganese, and at least 20 wt% iron and if Si is equal to or less than 6wt% then P should be above 8 wt% and if P is less or equal to 8wt% then Si should be above 6wt%.
Disclosed is a stator device (10) adapted to be arranged in an electrical machine, where the electrical machine further comprises a moving device, where the stator device is a multi-phase stator device, where the phases are arranged side-by-side in a direction perpendicular to direction of motion of the moving device (12), and where each phase comprises a first stator core section (14) having a set of teeth (27), a second stator core section (16) having a set of teeth (27), and a coil (20), and where the teeth (27) are arranged to protrude towards the moving device (12); and wherein at least two neighbouring phases share a stator core section (14), so that the first stator core section (14) of a first phase and a second stator core section (16) of a second phase is formed as a single unit.
H02K 21/14 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
The present invention relates to a metal powder composition comprising: an iron or iron-based powder composition, and a lubricating combination comprising a substance A, a substance B, and a substance C; wherein: substance A is a polyolefin, substance B is chosen from a group consisting of saturated and unsaturated fatty acid amides, saturated and unsaturated fatty acid bisamides, saturated fatty alcohols and fatty acid glycerols, and substance C is an amide oligomer having a molecular weight between 500 g/mol and 30 000 g/mol; and wherein the amounts of respective substances A, B and C in weight percent of the iron or iron-based powder composition are: 0.05 ≤ A + B < 0.4 wt%, C ≥ 0.3 wt%, A + B + C ≤ 2.0 wt%, and the relation between substances A and B is: B/A > 0.5. The invention also relates to a method of producing a metal powder composition and a method for producing a green component.
The present invention relates to a porous and permeable composite for treatment of contaminated fluids characterized in that said composite comprises a body of iron particles and 0.01-10% by weight of at least one functional ingredient distributed and locked in the pores and cavities of the iron body. The present invention also relates to methods of making a permeable porous composite for water treatment. The present invention also relates to use of a permeable porous composite according to any preceding claims for reducing the content of contaminants in a fluid, wherein said fluid is allowed to pass through the permeable composite.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 9/04 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
C02F 1/58 - Treatment of water, waste water, or sewage by removing specified dissolved compounds
A water-atomised iron-based steel powder which comprises by weight-%: 0.45-1.50 Ni,0.30-0.55 Mo,less than 0.3 Mn,less than 0.2 Cu,less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable impurities,and the balance being iron, and where Ni and Mo have been alloyed by a diffusion alloying process.
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 9/08 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
C22C 33/02 - Making ferrous alloys by powder metallurgy
A water atomised prealloyed chromium-free, iron-based steel powder which comprises by weight-%: 0.05–0.4 V, 0.09–0.3Mn, less than 0.1 Cr, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable impurities, the balance being iron.
C22C 33/02 - Making ferrous alloys by powder metallurgy
B22F 9/08 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
C22C 38/12 - Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium or niobium
99.
A METHOD OF PRODUCING A DIFFUSION ALLOYED IRON OR IRON-BASED POWDER, A DIFFUSION ALLOYED POWDER, A COMPOSITION INCLUDING THE DIFFUSION ALLOYED POWDER, AND A COMPACTED AND SINTERED PART PRODUCED FROM THE COMPOSITION
The present invention relates to a method of producing a diffusion alloyed powder consisting of an iron or iron-based core powder having particles of an alloying powder containing Cu and Ni bonded to the surface of the core particles, comprising providing a unitary alloying powder capable of forming particles of a Cu and Ni containing alloy, mixing the unitary alloying powder with the core powder, and heating the mixed powders in a non-oxidizing or reducing atmosphere to a temperature of 500–1000 ˚C during a period of 10–120 minutes to convert the alloying powder into a Cu and Ni containing alloy, so as to diffusion bond particles of the Cu and Ni alloy to the surface of the iron or iron-based core powder. The alloying powder may be a Cu and Ni alloy, oxide, carbonate or other suitable compound that on heating will form a Cu and Ni alloy. Preferably, the total content of Cu and Ni is at most 20wt%, the particle size distribution of the Cu and Ni alloying powder is such that D50 is less than 15 μm, and the ratio Cu/Ni in wt% is between 9/1 and 3/1. The compacted and sintered parts produced from the diffusion alloyed iron-based powder of the invention present a minimum of variation of dimensional change from component to component.
The present invention concerns an iron-based powder composition comprising, in addition to an iron-based powder, a minor amount of a machinability improving additive, said additive comprising at least one silicate from the group of phyllosilicates. The invention further concerns the use of the machinability improving additive and a method for producing an iron-based sintered part having improved machinability.
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
C22C 33/02 - Making ferrous alloys by powder metallurgy
patents
