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FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED METAL PARTICLES

Subclass of:

419 - Powder metallurgy processes

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
419061000FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED METAL PARTICLES88
20090169411Method for Producing a Penetrator - The invention relates to a method for producing a penetrator (07-02-2009
20100278683Manufacturing Apparatus and Method for Large-Scale Production of Thin-Film Solar Cells - A method of manufacturing improved thin-film solar cells entirely by sputtering includes a high efficiency back contact/reflecting multi-layer containing at least one barrier layer consisting of a transition metal nitride. A copper indium gallium diselenide (Cu(In11-04-2010
20130064707MODELING APPARATUS, POWDER REMOVING APPARATUS, MODELING SYSTEM, AND METHOD OF MANUFACTURING A MODEL - A modeling apparatus includes a box holding mechanism, a box, a supply mechanism, and an elevation mechanism. The box includes a main body and a stage movably provided to the main body. The box is capable of accommodating powder and detachably provided to the box holding mechanism. The supply mechanism is configured to selectively supply liquid that bonds the powder together to a modeling enabled area inside the box. The elevation mechanism is configured to cause the stage to ascend and descend in the main body relative to the main body.03-14-2013
20140271329METHODS FOR SOLVENTLESS BONDING OF METALLURGICAL COMPOSITIONS - The present invention is directed to methods of preparing a bonded metallurgical powder composition comprising melting a binding agent and blending the melted binding agent with a metallurgical powder mixture, in the substantial absence of solvent, for a time sufficient to form the bonded metallurgical powder composition. Bonded metallurgical powder compositions prepared using these methods are also described, as well as compacted powder metallurgical parts prepared using them.09-18-2014
20150147219MICROSTRUCTURED MATERIAL AND PROCESS FOR ITS MANUFACTURE - A micro-structured article is disclosed comprising a free-standing network of interconnected traces surrounding randomly-shaped cells wherein the interconnected traces comprise at least partially-joined nanoparticles. In a preferred embodiment, the nanoparticles comprise a conductive metal. The article is preferably formed by coating a nanoparticle-containing emulsion onto a substrate and drying the emulsion. The nanoparticles self-assemble into the network pattern which is subsequently removed from the substrate. A preferred method of removing the network from the substrate comprises the steps of electroplating the traces and subsequently exposing the traces to acid to release the network from the substrate.05-28-2015
419062000 Powder pretreatment 25
20090317280METHOD FOR MANUFACTURING METAL-BASED CERAMIC COMPOSITE TARGET CONTAINING NOBLE METAL - A method for manufacturing a metal-based ceramic composite target containing noble metal is provided, which includes firstly applying a ceramic powder uniformly onto a surface of a magnetic metal powder by using a wet powder mixing process, and drying it to obtain a ceramic-metal composite powder, and then uniformly mixing a noble metal powder with the ceramic-metal powder by using a dry powder mixing process, and finally making the ceramic-metal composite powder into a compact target by using a molding and compacting process. The manufacturing method of the present invention can uniformly mix the powders of the magnetic metal, the ceramic, and the noble metal, and reduce the loss of the noble metal powder in the production process of the target, so as to improve the quality of the target and decrease the production cost thereof.12-24-2009
20110044841METHOD FOR PRODUCING MICROSCOPIC COMPONENTS - A method is provided for producing microscopically small components. The method can produce components with a size of less than 10 μm. The method includes: (a) Production of a precipitation hardenable alloy comprising at least two phases, in which alloy of a first phase forms a matrix structure in which a second phase is embedded in the form of discrete particles of a size less than 10 μm; (b) Dissolution of the matrix and separation of particles from the alloy; and (c) Mechanical deformation by forging respectively a separated particle with at least one striking tool to form the desired element.02-24-2011
20110150694METHOD FOR MANUFACTURING Ti PARTICLE-DISPERSED MAGNESIUM-BASED COMPOSITE MATERIAL - A Ti particle-dispersed magnesium-based composite material is a material having titanium particles uniformly dispersed in a magnesium matrix. Magnesium that forms the matrix and titanium particles are bonded together,) with satisfactory wettability without titanium oxide at an interface therebetween. The Ti particle-dispersed magnesium-based composite material has a tensile strength of 230 MPa or more.06-23-2011
20120003114Nanostructured Mn-Al Permanent Magnets And Methods of Producing Same - A bulky consolidated nanostructured manganese aluminum alloy includes at least about 80% of a magnetic τ phase and having a macroscopic composition of MnXAlYDoZ, where Do is a dopant, X ranges from 52-58 atomic %, Y ranges from 42-48 atomic %, and Z ranges from 0 to 3 atomic %. A method for producing a bulky nanocrystalline solid is provided. The method includes melting a mixture of metals to form a substantially homogenous solution. The method also includes casting the solution to form ingots, measuring compositions of the ingots; crushing the ingots to form crushed powders, and milling the crushed powders to form nanocrystalline powders. The method further includes verifying the presence of τ phase and determining the amount of the τ phase, and simultaneously consolidating the nanocrystalline powders into a bulky nanocrystalline solid and undergoing phase transformation from ε phase to at least 80% τ phase, β and γ2 phases.01-05-2012
20130129557Method of Making Fuel Cell Interconnect Using Powder Metallurgy - Methods for fabricating an interconnect for a fuel cell stack that include the steps of providing a metal powder, and rapidly compressing the metal powder, such as with a combustion-driven compaction apparatus, in a lubricant-free and/or sub-atmospheric environment to form the interconnect. The interconnect may have sufficient strength and density such that the interconnect may be incorporated into a fuel cell stack without performing a separate sintering and/or an oxidation step following the compressing.05-23-2013
20130183189ALUMINUM POWDER METAL ALLOYING METHOD - A zirconium-doped aluminum powder metal and a method of making this powder metal are disclosed. The method of making includes forming an aluminum-zirconium melt in which a zirconium content of the aluminum-zirconium melt is less than 2.0 percent by weight. The aluminum-zirconium melt then powderized to form a zirconium-doped aluminum powder metal. The powderization may occur by, for example, air atomization.07-18-2013
20130309123ALUMINUM ALLOY POWDER METAL WITH TRANSITION ELEMENTS - A transition element-doped aluminum powder metal and a method of making this powder metal are disclosed. The method of making includes forming an aluminum-transition element melt in which a transition element content of the aluminum-transition element melt is less than 6 percent by weight. The aluminum-transition element melt then powderized to form a transition element-doped aluminum powder metal. The powderization may occur by, for example, air atomization.11-21-2013
20140286818Structural Component that Will Fragment into Particles of Selected Geometry and Reactivity - An embodiment in accordance with the present invention provides a method for creating and consolidating fragments and a useable structure formed from said consolidated fragments. The method includes swaging a metal powder into a first consolidated structure. The consolidated structure is ground to form particles and the particles are sifted to select those with a predetermined diameter. The particles having the predetermined diameter can then be swaged into a second consolidated structure. The resultant second consolidated structure is therefore configured to fragment controllably. The second consolidated structure can also be formed from reactive metal laminates such that the structure also has chemical energy.09-25-2014
20150098856HARD MATERIAL AND METHOD OF MAKING THE SAME FROM AN AQUEOUS HARD MATERIAL MILLING SLURRY - An aqueous emulsion for use in aqueous milling of hard material powder components in an aqueous slurry. The aqueous emulsion includes an oxidation inhibitor in an amount between about 0.3 weight percent and about 1.2 weight percent of the hard material powder components in the aqueous slurry. The aqueous emulsion also includes a paraffin wax in an amount between about 0.25 weight percent and about 0.75 weight percent of the hard material powder components in the aqueous slurry for vacuum dried powder and in an amount about up to 2.75 weight percent of the hard material powder components in the aqueous slurry for spray dried powder. The aqueous emulsion also includes myristic acid in an amount between about 0.10 weight percent and about 0.50 weight percent of the hard material powder components in the aqueous slurry. The balance of the aqueous emulsion is water.04-09-2015
20160151838POWDER METALLURGICAL METHOD06-02-2016
419063000 Includes a chemical reaction 4
20080292488METHOD FOR PREPARING A METALLIC ARTICLE HAVING AN OTHER ADDITIVE CONSTITUENT, WITHOUT ANY MELTING - A method for preparing an article of a base metal alloyed with an alloying element includes the steps of preparing a compound mixture by the steps of providing a chemically reducible nonmetallic base-metal precursor compound of a base metal, providing a chemically reducible nonmetallic alloying-element precursor compound of an alloying element, and thereafter mixing the base-metal precursor compound and the alloying-element precursor compound to form a compound mixture. The compound mixture is thereafter reduced to a metallic alloy, without melting the metallic alloy. The step of preparing or the step of chemically reducing includes the step of adding an other additive constituent. The metallic alloy is thereafter consolidated to produce a consolidated metallic article, without melting the metallic alloy and without melting the consolidated metallic article.11-27-2008
20120263619METHOD FOR PREPARING A METALLIC ARTICLE HAVING AN OTHER ADDITIVE CONSTITUENT, WITHOUT ANY MELTING - A method for preparing an article of a base metal alloyed with an alloying element includes the steps of preparing a compound mixture by the steps of providing a chemically reducible nonmetallic base-metal precursor compound of a base metal, providing a chemically reducible nonmetallic alloying-element precursor compound of an alloying element, and thereafter mixing the base-metal precursor compound and the alloying-element precursor compound to form a compound mixture. The compound mixture is thereafter reduced to a metallic alloy, without melting the metallic alloy. The step of preparing or the step of chemically reducing includes the step of adding an other additive constituent. The metallic alloy is thereafter consolidated to produce a consolidated metallic article, without melting the metallic alloy and without melting the consolidated metallic article.10-18-2012
20140377121IRON COATED CHROMIUM POWDER AND SOFC IC MADE THEREFROM - A component, such as a SOFC interconnect, and methods of making the component are provided using various chromium powders, including powder particles with a chromium core covered with an iron shell, a pre-alloyed Cr—Fe powder or a chromium powder produced by hydrogen reduction with hydrogen.12-25-2014
20160053346METHODS FOR PRODUCING ALLOY FORMS FROM ALLOYS CONTAINING ONE OR MORE EXTREMELY REACTIVE ELEMENTS AND FOR FABRICATING A COMPONENT THEREFROM - Methods are provided for producing alloy forms from alloys containing one or more extremely reactive elements and for fabricating a component therefrom. The fabricating method comprises substantially removing a reactive gas from the fabrication environment. An alloy form of the alloy is formed. The alloy form is formed by melting the alloy or by melting one or more base elements of the alloy to produce a molten liquid and introducing the one or more extremely reactive elements into the molten liquid. The molten alloy is shaped into the alloy form. The component is formed from the alloy form. If the one or more extremely reactive elements are introduced into the molten liquid, such introduction occurs just prior to the shaping step.02-25-2016
419064000 Includes coating of particles 5
20100061877MAGNETIC MATERIALS, AND METHODS OF FORMATION - In a soft magnetic material, multiple flake-shaped magnetic particles: are coated by respective magnetic insulators; contain respective groups of magnetic nanoparticles; and are compacted to achieve magnetic exchange coupling between adjacent flake-shaped magnetic particles, and between adjacent magnetic nanoparticles within at least one of the flake-shaped magnetic particles.03-11-2010
20140205485Soft Magnetic Powders and Compacts - A water atomized Fe powder for a magnetic compact reduced in deformation resistance during molding and annealing temperature for removing strains is provided. A compact having improved magnetic properties is also provided. The water atomized powder containing at least one element selected from Nb, Ta, Ti, Zr and V in an amount of 0.001-0.03 atom % is soft magnetic and has a precipitation in the matrix, which is composed of at least one element selected from Nb, Ta, Ti, Zr and V and oxygen as a main component and has an average size of 0.02-0.5 μm. Disclosed is a method for manufacturing a soft magnetic powder includes adding at least one element selected from Nb, Ta, Ti, Zr and V, and annealing in a hydrogen-containing reduction atmosphere. This method decrease gaseous impurities, particularly oxygen, and defuse it, to improve the magnetic properties of the powder and compact.07-24-2014
20140314614Shaped Charge Liner Comprised of Reactive Materials - A shaped charge liner comprises a powder, and the powder comprises a blend of particles. The particles comprise a core material, a first reactant material in intimate contact with the core material, and a second reactant material in intimate contact with the first reactant, where the core material has a density greater than 10 grams per cubic centimeter (g/cc).10-23-2014
20140322065SOFT MAGNETIC CORE AND MANUFACTURING METHOD OF THE SAME - There is provided a soft magnetic core, including: a soft magnetic metal powder; a ferriferous oxide (Fe10-30-2014
20170233840SOLID AGGLOMERATE OF FINE METAL PARTICLES COMPRISING A LIQUID OILY LUBRICANT AND METHOD FOR MAKING SAME08-17-2017
419065000 Includes adding a binder material 6
20090129966IRON-BASED RARE-EARTH-CONTAINING NANOCOMPOSITE MAGNET AND PROCESS FOR PRODUCING THE SAME - An iron-based rare-earth nanocomposite magnet according to the present invention includes an Nd05-21-2009
20090232693Fe-based amorphous magnetic powder, magnetic powder core with excellent high frequency properties and method of making them - The present invention provides an amorphous alloy powder and magnetic powder cores exhibiting excellent high frequency properties and a method for making themof. The composition of said alloy powder by atomic percentage satisfies the following formula: (Fe09-17-2009
20120164019Method of manufacturing rare-earth magnet powder, and method of manufacturing rare-earth bond magnet - A method of manufacturing rare-earth magnet powder having excellent magnetic properties, and a method of manufacturing a rare-earth bond magnet are provided. A nitriding step is performed, in which when nitrided rare-earth magnet powder is produced, rare-earth-element/transition metal-based alloy powder is irradiated with a microwave at an atmosphere containing nitrogen atoms, so that the nitrogen atoms are allowed to enter into a crystal lattice.06-28-2012
20130064708METHOD FOR PRODUCING CEMENTED CARBIDE PRODUCTS - A method for injection molding or extrusion of cemented carbide or cermet parts uses a binder system, including 20-70 wt-% olefinic polymer, 30-80 wt-% wax. The olefinic polymer is a co-polymer of polyethylene and poly(alpha-olefin). By using such a binder system, a tougher material behavior of the green body and a lower temperature during the injection molding or extrusion is achieved.03-14-2013
20130323111METHOD OF PRODUCTION OF RARE EARTH MAGNET - The present invention provides a method of production of a rare earth magnet which achieves high magnetization by hot working and at the same time secures high coercivity.12-05-2013
20140170014METHOD FOR PRODUCING MAGNETIC POWDER AND MAGNET - Disclosed is a method for producing a magnetic powder comprising: a first step of producing a R—Fe—B-based rare earth isotropic magnetic powder using a scrap rare earth magnet through a HDDR process; and a second step of mixing the R—Fe—B-based rare earth isotropic magnetic powder with an anisotropic magnetic powder, and a method for producing a magnet using the magnetic powder.06-19-2014
419066000 Consolidation of powders 58
20080253917Soft Magnetic Material and Process For Producing Green Compact - A soft magnetic material used for producing a powder compact has a plurality of iron particles having a Vickers hardness HV of less than 800 and satisfying the relationship of α/β≧2.5, where α represents the specific surface area of the iron particles measured by a gas adsorption method (Brunauer-Emmett-Teller (BET) method) and β represents the apparent specific surface area of the iron particles calculated from the average particle diameter measured by a laser diffraction/scattering method.10-16-2008
20080260566METHOD FOR PRODUCING A METALLIC ARTICLE HAVING A GRADED COMPOSITION, WITHOUT MELTING - A method for preparing a metallic article made of metallic constituent elements includes furnishing a chemically reduced initial metallic material formed from chemically reducing a mixture of nonmetallic precursor compounds of the metallic constituent elements, without melting the initial metallic material, and consolidating the initial metallic material to produce a consolidated metallic article, without melting the initial metallic material and without melting the consolidated metallic article. A net macroscopic composition of the consolidated metallic article varies spatially according to a pre-selected pattern10-23-2008
20080260567Powder Compaction Press for Capacitor Anodes - A powder compaction press having opposed rib and channel punches which are interleaved and a production method are used to produce capacitor elements having a uniform compaction density and which are free of surface imperfections.10-23-2008
20080267807CORE ROD FOR FORMING A CYLINDRICAL GREEN COMPACT, APPARATUS FOR FORMING A CYLINDRICAL GREEN COMPACT, AND METHOD FOR FORMING A CYLINDRICAL GREEN COMPACT - A core rod for forming a cylindrical green compact having an axial protrusion or a radial step portion or dent portion on an inner surface of the cylindrical member by powder compaction, wherein: the core rod is provided with a step portion protruding in a radial direction at least a part on an outer surface thereof; the core rod is divided into two parts, an upper core and a lower core, on a plane that is flush with an upper surface of the step portion; and the upper core and lower core are mechanically joined with fastening members or bonded with an adhesive on a plane along which the core rod is divided.10-30-2008
20080298996FORMATION OF NON-AXIAL FEATURES IN COMPACTED POWDER METAL COMPONENTS - An apparatus and process for forming compacted powder metal parts having a non-axial undercut feature. An undercut die is located between the upper and the lower dies and contains a plurality of shaped punches aligned in a circular pattern. Each of the shaped punches contains a working edge. The working edges converge to form an inner circumference which creates the undercut feature. The edges of the shaped punches slide with respect to each other to change the size of the inner circumference from a maximum diameter position to a minimum diameter position. During compaction, the rotation of the shaped punches alters the inner circumference to its minimum diameter position thereby forming an undercut in the final compacted part. The retraction of the shaped punches to its maximum diameter position enables the unimpeded removal of the part from the tool set.12-04-2008
20090028742DRY POWDER METAL COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME - The present invention provides powder metal compositions and methods of making and using the same. Powder metal compositions according to the invention are substantially dry and include a blend of base metal particles and a pressing aid. The pressing aid includes a micronized deformable solid material and a high melt point lubricating material, which have been pre-mixed or co-ground with each other. Powder metal compositions according to the present invention are particularly useful in applications where the pre-sintered density of the pressed metal part is less than or equal to about 6.9 g/cm01-29-2009
20090041612COMPOSITE CUTTING INSERTS AND METHODS OF MAKING THE SAME - Embodiments of the present invention include methods of producing a composite article. A method comprises introducing a first powdered metal grade from a feed shoe into a first portion of a cavity in a die and a second powdered metal grade from the feed shoe into a second portion of the cavity, wherein the first powder metal grade differs from the second powdered metal grade in chemical composition or particle size. Further methods are also provided. Embodiments of the present invention also comprise composite inserts for material removal operations. The composite inserts may comprise a first region and a second region, wherein the first region comprises a first composite material and the second region comprises a second composite material.02-12-2009
20090053091Method for preparing radially anisotropic magnet - A radially anisotropic magnet is prepared by furnishing a cylindrical magnet-compacting mold comprising a die, a core, and top and bottom punches, packing a magnet powder in the mold cavity, applying a magnetic field across the magnet powder, and forcing the top and bottom punches to compress the magnet powder for compacting the magnet powder by a horizontal magnetic field vertical compacting process. The top punch is divided into segments so that the magnet powder may be partially compressed; in the step of compacting the magnet powder packed in the mold cavity by a horizontal magnetic field vertical compacting process, the magnet powder is partially compressed by the segments of the top punch cooperating with the bottom punch for thereby consolidating the partially compressed zones of magnet powder to a density from 1.1 times the packing density to less than the compact ultimate density; and thereafter, the entire magnet powder in the cavity is compressed under a pressure equal to or greater than that of partial compression by the entire top and bottom punches for finally compacting the magnet powder.02-26-2009
20090155117Shockwave fabrication of thermoelectric materials - The explosive consolidation of semiconductor powders results in thermoelectric materials having reduced thermal conductivity without a concurrent reduction in electrical conductivity and thereby allows the construction of thermoelectric generators having improved conversion efficiencies of heat energy to electrical energy.06-18-2009
20090208359Method for producing powder metallurgy metal billets - A method for manufacturing and producing metal alloy billet products from particulate starting materials, particularly adapted for use with aluminum and aluminum alloy wrought products and their manufacture involving the use of powdered starting materials. The method includes the basic steps of preparing elemental, master alloy or prealloyed metal powders with or without a foreign reinforcement phase, compacting the prepared powder into pellets, introducing and compacting the pellets into a die, consolidating the compacted powder into a billet.08-20-2009
20090208360BINDERLESS METAL INJECTION MOLDING APPARATUS AND METHOD - A metal injection molding apparatus includes a metal injection mold die having first and second die halves, a first set of features provided in the first die half, a second set of features provided in the second die half and complementary to the first set of features provided in the first die half and an ultrasonic transducer disposed in contact with the metal injection mold die. A binderless metal injection molding method is also disclosed.08-20-2009
20090214375METHOD FOR MANUFACTURING OF FUEL NOZZLE FLOATING COLLAR - A floating collar is metal injected moulded with an excess portion intended to be separated, such as by shearing, from the reminder of the moulded floating collar to leave a chamfer thereon and/or remove injection marks.08-27-2009
20090246063Method and apparatus for producing radially oriented ring magnet - The present invention provides a method and an apparatus for producing radially oriented ring magnet. The problem it solved is to uniformly orient the magnet powder in the process of producing, and also to get relatively large oriented magnetic field strength, so as to increase the performance and uniformity of the radial ring. The method of forming a radially oriented ring magnet, is to position magnetic powder into a ring mold, using an oriented magnetic field to orient the magnetic powder in the ring mold along the radius or diameter direction, wherein the oriented magnetic field is distributed discretely 360° around the ring mold, and during the forming process the oriented magnetic field and the magnetic powder have relative rotation. The apparatus comprises a ring mold cavity positioned in an oriented magnetic field, wherein the oriented magnetic field is distributed discretely 360° around the ring mold, and the apparatus comprises a component fot the oriented magnetic field and the magnetic powder to rotate relatively. Because the magnetic field is the same field in 360°, the orienting of the magnetic powder is more complete, the orientation in different directions is more unified.10-01-2009
20090257904Device and method for pressing a metal powder compact - A method of pressing a powder metal compact comprising partially filling a die cavity with powder metal, engaging a second die with the first die, extending radially inwardly punches for forming a transverse feature in the compact, filling the die cavity with powder metal, compressing the powder metal with a punch, relieving pressure on the compact, withdrawing the radially inwardly punches so as to allow axial movement of the compact, withdrawing the second die, and ejecting the compact from the die while simultaneously filling the die cavity.10-15-2009
20090257905Compacting Tool - The invention relates to a tool (10-15-2009
20100003158VIBRATORY POWDER CONSOLIDATION - A vibratory powder consolidation process is provided in which a powder material is subjected to vibratory energy while under static compressive loading. The process provides rapid, full-density powder consolidation with minimum or no structural degradation.01-07-2010
20100158743METHOD OF MANUFACTURING MAGENTIC BODY - A method of manufacturing a magnetic body in which insulating magnetic powder particles are stacked and press-molded in a molding space, and wiring is formed on a surface of the insulating magnetic powder particles solidified by press molding is provided according to the present invention. The method includes: a first step S06-24-2010
20100189587Method Of Making Component Shapes Having Non-Round Exterior Shapes - Cam lobe packs and methods of producing the same. The method uses a tool made up of an insert disposed within a sleeve such that both are responsive to a dynamic magnetic compaction (DMC) pressure source. The insert defines a substantially axisymmetric exterior surface and a cam lobe-shaped interior surface that can receive a compactable material such that upon DMC, the material is formed into the shape of the cam lobe. The sleeve is disposed about the insert and defines a substantially axisymmetric exterior surface such that an axisymmetric compaction imparted to the sleeve by the DMC pressure source forms the desired shaped cam lobe. The tool is configured such that individual tool members corresponding to one or more of the cam lobes can be axially aligned so that an aggregate interior surface is formed that defines an exterior surface profile of a camshaft being formed.07-29-2010
20110044842DRY CONVERSION OF HIGH PURITY ULTRAFINE SILICON POWDER TO DENSIFIED PELLET FORM FOR SILICON MELTING APPLICATIONS - A method for making bulk silicon material consisting of silicon pellets for making silicon ingots from an agglomerate-free source of high purity, ultra fine silicon powder includes feeding a controlled amount of silicon powder into a pellet die and dry compacting the powder at ambient temperature with pressure to produce a pellet that has a density of about 50-85% of the theoretical density of elemental silicon, a weight within a range of about 1.0 gram to about 3.0 grams, a diameter in the range of 10 mm to 20 mm and preferably of about 14 mm, and a height in the range of 5 mm to 15 mm and preferably of about 10 mm.02-24-2011
20110076175Punch die for powder compacting, powder compacting equipment equipped with punch die, and forming method with an equipment - In a punch die for powder compacting, a powder compacting equipment equipped with the punch die, and a forming method with the equipment, for suppressing the occurrence of stress concentration in the die without changing a shape of a powder compacting body, the punch die is used to form a cylindrical member by powder compacting, which has a substantially cylindrical shape and has a protrusion portion formed on the inner peripheral side thereof to protrude in the axial direction or a stepped portion or a concave portion formed on the inner peripheral side thereof in the radial direction. The punch die has a substantially cylindrical shape, and has a protrusion portion formed on at least a part of the inner peripheral surface or the outer peripheral surface thereof to protrude toward the center axis. The punch die is divided into two upper and lower parts at a surface forming the same surface as a lower surface of the protrusion portion, and the division surfaces are mechanically connected to each other or adhered to each other by adhesive.03-31-2011
20110189046MOLD FOR INJECTION MOLDING OF CUTTING TOOL INSERTS HAVING AIR GAP OF CONTROLLED WIDTH AND METHOD OF MAKING SUCH INSERTS - A mold is provided for making a cutting tool insert from a material to be molded, the cutting tool insert having an edge defined by two intersecting surfaces. The mold includes a first surface, a second surface intersecting with the first surface to define an edge, and an air gap between the first surface and the second surface at the edge, the width of the air gap varying in a controlled way along its length. A method for making a cutting tool insert is also disclosed.08-04-2011
20110223053MANUFACTURE OF PIPES - The present invention relates to a method of manufacturing a pipe, which method comprises cold-gas dynamic spraying of particles onto a suitable support member thereby producing a pipe, and separating the pipe from the support member.09-15-2011
20120114518Method for Producing Inorganic Particle Composite Body - A method for producing an inorganic particle composite body formed of a mixture of a plastically deformable metal, and inorganic particles that do not plastically deform under a condition under which the metal plastically deforms, wherein the method comprises: a step of preparing an inorganic particles structural body that is formed of a mixture of the metal and the inorganic particles and that contains a vacant space therein, and a step of plastically deforming the metal in the structural body.05-10-2012
20120207641SHOCKWAVE FABRICATION OF THERMOELECTRIC MATERIALS - The explosive consolidation of semiconductor powders results in thermoelectric materials having reduced thermal conductivity without a concurrent reduction in electrical conductivity and thereby allows the construction of thermoelectric generators having improved conversion efficiencies of heat energy to electrical energy.08-16-2012
20120263620METHODS FOR MAKING ALUMINUM NITRIDE ARMOR BODIES - A method of making aluminum nitride armor bodies is provided. The method starts with low cost bulk raw material, in the form of aluminum or aluminum alloy, cryogenically mills the raw material into a precursor powder, which is essentially free of oxides and other undesirable impurities. The precursor powder is formed into a pre-form using low cost, short residence time molding processes. Finally, the pre-form is exposed to a nitriding process to convert the pre-form into the aluminum nitride armor body. In this manner, the method avoids the use of high cost aluminum nitride as a starting material and avoids the need for the high cost, single axis densification processes of the prior art.10-18-2012
20120294751Lead Free Frangible Bullets - A lead-free, frangible bullet is provided. The lead-free, frangible bullet is manufactured without sintering or external heating of the bullet. The bullet is prepared by blending a lead-free copper powder mixture and cold compacting the powder in a die to form a bullet. The copper powder can be atomized copper powder, electrolytic copper powder, or a combination of atomized and electrolytic copper powder. The atomized copper powder can be water atomized, air atomized, and combination of water and air atomized. Preferably, the frangible bullet has a fragmentation less than 5 grains.11-22-2012
20120308426FRANGIBLE PROJECTILE AND METHOD FOR MAKING SAME - In one aspect, the invention relates to compositions useful in frangible projectiles, methods of making same, and articles comprising same This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.12-06-2012
20120328465PROCESS AND APPARATUS FOR PRODUCING PRESSED ARTICLES - A method is provided for producing pressed articles which contain direct-reduced, fine particulate iron (direct reduced iron, DRI) from a fluidized bed reduction system for direct reduction of fine particulate iron ore, wherein direct-reduced, fine particulate iron produced in the fluidized bed reduction system during direct reduction is compacted into pressed articles. Dry, fine particulate material containing at least fine particulate iron ore and optionally fine particulate iron and carbon is admixed to the direct-reduced fine particulate iron and the mixture thus obtained is subsequently compacted into pressed articles. An apparatus for carrying out such method is also provided.12-27-2012
20130129558COMPACTING DEVICE - The invention relates to a tool for compacting the surface of a component (05-23-2013
20130224060LUBRICANT SYSTEM FOR USE IN POWDER METALLURGY - The present invention is directed to metallurgical powder compositions having improved lubricant properties. These compositions of the invention include at least 90 wt. % of an iron-based metallurgical powder; a Group 1 or Group 2 metal stearate; a first wax having a melting range of between about 80 and 100° C.; a second wax having a melting range of between about 80 and 90° C.; inc phosphate; boric acid; acetic acid; phosphoric acid; and polyvinylpyrrolidone. Methods of compacting the compositions, as well as compacted articles prepared using those methods, are also described.08-29-2013
20130224061High Density Powdered Material Liner - A method of making an explosive charge liner comprises introducing powdered material into a basin defined by a die block, where a punch is shaped to interact with the basin, excluding the powdered material from a central portion of the basin, pressing the punch into the powdered material in the basin to form the explosive charge liner, and removing the explosive charge liner from the die block. The explosive charge liner comprises an aperture in an apex area of the explosive charge liner corresponding to the central portion when removed from the die block.08-29-2013
20130266474METHOD FOR PRODUCING MAGNETIC GREEN COMPACTS, MAGNETIC GREEN COMPACT, AND SINTERED BODY - A method is provided for producing magnetic green compacts. Material powder including a rare earth alloy and containing not less than 15 mass % of fine particles with particle diameter of not more than 2 μm is filled into a compacting mold, then compacted and compressed, and subjected to magnetic fields to give a green compact. A powder compact having a packing density 1.05 to 1.2 times the bulk density is subjected to a weak magnetic field of 1 to 2 T to give a compact. The magnetic field strength is increased to not less than 3 T at an excitation rate of 0.01 to 0.15 T/sec, and the strong magnetic field of not less than 3 T is applied to the compact by a high-temperature superconducting coil. The magnetic field is applied by the high-temperature superconducting coil in a direction opposite to a direction applied by a normal conducting coil.10-10-2013
20130336832REACTOR DEVICE AND METHOD FOR MANUFACTURING REACTOR DEVICE - A reactor core, which has a pair of press surfaces (a-b planar surfaces) formed by compression molding with an edge part of each of the press surfaces being plastically formed by pressure treatment, is disposed in a direction in which a magnetic flux generated upon energization of a coil does not penetrate each of the press surfaces.12-19-2013
20140023547MAGNESIUM ALLOY CHIPS AND PROCESS FOR MANUFACTURING MOLDED ARTICLE USING SAME - There is provided chips for injection molding wherein the surfaces of chips made of an aluminum-containing magnesium alloy are coated with carbon powder. A molded article produced by injection molding of such chips for injection molding had excellent bending properties and tensile strength, which vary in a small range. Furthermore, a scrap formed during injection-molding of the chips for injection molding has improved recyclability.01-23-2014
20140255241MULTI-PART AXIAL POWDER COMPRESSION MOLD FOR COMPLEX PARTS - A method for manufacturing a titanium acetabular cup shell includes obtaining a titanium powder. A three part mold having a first part with a part-spherical inner surface, a second ram part with a part-spherical outer impact surface and a third ram part with an annular impact surface are provided to compact the titanium powder. The second and third parts are aligned along an axis within the first part. The second part is aligned along a center axis within the annular impact surface of the third part. The first mold part is filled with the titanium powder. The second mold part-spherical outer surface and the third part annular surface are moved towards the part-spherical inner surface of the first part into contact with the powder. The powder is compacted with the second part part-spherical outer impact surface and the third part annular impact surface to about 50% of its initial volume.09-11-2014
20140294657PROCESS FOR PRODUCING FERROMAGNETIC IRON NITRIDE PARTICLES, ANISOTROPIC MAGNET, BONDED MAGNET AND COMPACTED MAGNET - The present invention provides ferromagnetic iron nitride particles, in particular, in the form of fine particles, and a process for producing the ferromagnetic iron nitride particles. The present invention relates to a process for producing ferromagnetic iron nitride particles, comprising the steps of mixing metallic iron obtained by mixing at least one compound selected from the group consisting of a metal hydride, a metal halide and a metal borohydride with an iron compound, and then subjecting the obtained mixture to heat treatment, with a nitrogen-containing compound; and then subjecting the resulting mixture to heat treatment, in which a reduction step and a nitridation step of the iron compound are conducted in the same step, and the at least one compound selected from the group consisting of a metal hydride, a metal halide and a metal borohydride is used as a reducing agent in the reduction step, whereas the nitrogen-containing compound is used as a nitrogen source in the nitridation step.10-02-2014
20140314615METHOD AND APPARATUS FOR MEASURING APPARENT DENSITY OF METAL POWDER, METHOD AND APPARATUS FOR PRODUCING MIXED POWDER, AND METHOD AND APPARATUS FOR PRODUCING POWDER COMPACT - A method for measuring an apparent density of a metal powder includes holding a metal powder in a vessel, applying an alternating magnetic flux to the metal powder using an exciting coil disposed outside the vessel, detecting the alternating magnetic flux passed through the metal powder using a search coil disposed outside the vessel, and determining an apparent density of the metal powder from an amplitude of the detected alternating magnetic flux using a calibration curve representing a correlation between the apparent density of the metal powder and the amplitude of an alternating magnetic flux prepared in advance. The method enables to measure the apparent density of a metal powder with a high precision in an on-line and non-contact manner without stopping a process of producing a mixed powder or a process of producing a powder compact.10-23-2014
20140356219Riblet Foil and Method for Producing Same - A method for producing a layer-type buildup of riblet foil involves applying a metal powder is to a reference mold, which has a female mold of a riblet structure, in such a manner that a metallic material is formed. The layered portion applied in this manner is then detached, thereby forming a riblet foil having a riblet structure.12-04-2014
20150064051EMBOSSMENT STRUCTURE FORMED IN A MOLD AND ITS MANUFACTURING METHOD - A manufacturing method of an embossment structure formed in a mold in the present invention is applicable to plastic or metallic in-mold shaping products, such as computers, communication products, consumer electronic products, electrical appliances, parts of machines and instruments or common household products. A base layer provided with embossment structure or tri-dimensional ornament and a separable layer is stably fixed in a shaping mold by making use of absorption mode of the shaping mold. After shaped completely, the base layer on the surface of the in-mold shaping product is torn off to present delicate tri-dimensional embossed streaks on the surface of the in-mold shaping product, which is designed according to personalization or individuation, able to lower cost and increase external beauty of the in-mold shaping product and conform to economic gain.03-05-2015
20150110665PRE-FORMED POWDER DELIVERY TO POWDER PRESS MACHINE - Methods for fabricating an interconnect for a fuel cell system that include forming a metal powder into a preform structure, positioning the preform structure in a die cavity of a press apparatus, and compressing the preform structure in the press apparatus to form the interconnect. Further embodiments include use of thin inserts in the die cavity to provide reduced permeability and/or including filler material in the die cavity.04-23-2015
20150298416Method For Setting Up And Operating A Press - A press comprises a press frame, at least one upper punch plate with at least one upper press punch held on it and/or at least one lower punch plate with at least one lower press punch held on it. A die plate has at least one receiver for powdered material to be pressed by the press punches. At least two upper drives are mechanically coupled in the operation of the press, engaging at the upper punch plate for moving the upper press punch in the vertical direction and/or at least two lower drives mechanically coupled in the operation of the press, engaging on the lower punch plate and/or the die plate for moving the lower press punch and/or the die plate in the vertical direction. A method for setting up and operating the press for producing a pellet made of the powdered material, in particular metal powder, is described.10-22-2015
20150314547METHOD FOR CONTROLLING A CERAMIC OR METAL POWDER PRESS, AND CERAMIC OR METAL POWDER PRESS - The invention relates to a method of controlling a ceramic and/or metal powder press (11-05-2015
20160008883IMPULSE METALWORKING WITH VAPORIZING FOIL ACTUATORS01-14-2016
20160010184Al-RICH HIGH-TEMPERATURE TiAl ALLOY01-14-2016
20160107231Method For Producing A Shell-Shaped Component And Production System Suitable For The Use Of Said Method - A method for producing a shell-shaped component and a production system for producing such a component are disclosed. Thee component is produced by a cold gas stream by cold gas spraying. The particles of the cold gas stream are applied to the edge of the component being produced, wherein simultaneously a supporting body is used, which supports the component only at the point of incidence of the cold gas stream. In this way, the form of the component can be shaped by suitably moving the supporting body and the cold spray nozzle, without having to produce a core that fills the entire volume of the shell-shaped component. Thus, the method may be especially economical for small quantities, because the supporting body can be used universally for components of different geometries.04-21-2016
20160163448METHOD FOR MANUFACTURING MAGNETIC GRAIN COMPACT - A method for manufacturing a magnetic grain compact, includes: providing multiple metal grains constituted by soft magnetic alloy containing Fe, Si, and a metal element M that oxidizes more easily than Fe; compacting the metal grains; and forming oxide film formed on a surface of the metal grains, and forming first bonding parts where adjacent metal grains are directly contacted and bonded together, and second bonding parts where adjacent metal grains are bonded together via the oxide film formed around the entire surface of said adjacent metal grains other than the first bonding parts, by applying heat treatment to the compacted metal grains, thereby obtaining a magnetic grain compact.06-09-2016
20160193659GREEN COMPACT OF SINTERED CONNECTING ROD USING DIFFERENT KIND OF POWDER AND METHOD OF MANUFACTURING THE SAME07-07-2016
20160375488MANUFACTURING METHOD FOR MAGNET AND MAGNET - A manufacturing method for a magnet has step of molding magnetic powder under pressure to obtain a molding. The magnetic powder is pressurized using a mold to which a release agent is applied. The release agent is chemical synthesis oil to which an extreme pressure additive is added.12-29-2016
20180022050Powder Press Having a Conical Lower Ram, Method for Operating a Powder Press, Pellet Produced by Way of a Powder Press, Lower Ram of a Powder Press, and Computer Program Product for Moving Lower Rams of a Press01-25-2018
419067000 Extrusion 3
20160045958A METHOD FOR THE MANUFACTURING OF METALLIC MATRIX COMPOSITES - A method for the manufacturing of metallic matrix composites through plastic working is disclosed. In the method, the plastic working charge is in the form of wires, tape or tapes or foil, which is the first component being covered with the second component or components with granulation less than 100 μm, after which they are connected by reciprocal surface contact, forming weaved bundles, and then the connected elements which form the charge material advantageously undergo initial rolling or drawing and in all cases the principal process, which is extrusion performed on a rolling mill with circumferential grooves, where between rollers a closing matrix is placed, rotating in reverse to its axis by an angle of ±20° advantageously ±12°, with a frequency up to 50 Hz, advantageously 15 Hz.02-18-2016
20160089722METHOD OF MANUFACTURING GAS TURBINE ENGINE COMPONENT FROM A MOLYBDENUM-RICH ALLOY - A method for manufacturing a gas turbine engine component from a molybdenum-rich alloy. The method includes the steps of providing a molybdenum powder of at least 50% molybdenum by weight, extruding the molybdenum powder to provide a first shape, forming the first shape to a second shape and forging the second shape to provide a third shape.03-31-2016
20160168663Aluminum Alloys and Manufacture Methods06-16-2016
419068000 Isostatic/Hydrostatic pressing 5
20080274004METHOD FOR FORMING THERMOELECTRIC DEVICE FROM PARTICULATE RAW MATERIALS - This invention relates to the formation manufacturing method for constructing a thermoelectric device, by dispensing a slurry composed of thermoelectric solids in a carrier fluid across a substrate. The process uses a mold to confine the slurry, and heat and pressure to cure the thermoelectric slurry into a solid. The specific method of curing the thermoelectric material is outlined, employing a new method of condensing the particulate solids into dense thermoelectric elements.11-06-2008
20090010792Brittle metal alloy sputtering targets and method of fabricating same - A method of fabricating a sputtering target assembly comprises steps of mixing/blending selected amounts of powders of at least one noble or near-noble Group VIII metal at least one Group IVB, VB, or VIB refractory metal; forming the mixed/blended powder into a green compact having increased density; forming a full density compact from the green compact; cutting a target plate slice from the full density compact; diffusion bonding a backing plate to a surface of the target plate slice to form a target/backing plate assembly; and machining the target/backing plate assembly to a selected final dimension. The disclosed method is particularly useful for fabricating large diameter Ru—Ta alloy targets utilized in semiconductor metallization processing.01-08-2009
20090169412METHOD OF MAKING A CUTTING INSERT WITH A HOLE FOR CLAMPING - A method of making a cutting insert using powder metallurgical methods including using a press with a main pressing direction and a press tool setup with a die, a male core rod, a female core rod, a bottom punch, a top punch and a feed shoe. The insert has a noncylindrical hole perpendicular to the main pressing direction, herein referred to as a cross-hole. A cross-hole with increased dimensional accuracy is obtained if the powder also is compacted by the two core rods.07-02-2009
20110014082METHOD AND ASSEMBLY FOR FORMING A COMPONENT BY ISOSTATIC PRESSING - A method of forming a component (01-20-2011
20120020826METHOD FOR PRODUCING AN ARTICLE HAVING A CAVITY - A method for producing an article (01-26-2012
419069000 Rolling 1
20140086784PROCESS FOR PRODUCING A LEAD-FREE SLIDING BEARING MATERIAL - In a process for producing a lead-free sliding bearing material, a material which is based on copper and contains iron and phosphorous is atomized to form a powder.03-27-2014

Patent applications in all subclasses FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED METAL PARTICLES

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