Entries |
Document | Title | Date |
20080199715 | Nd-Fe-B type anisotropic exchange spring magnet and method of producing the same - A Nd—Fe—B type anisotropic exchange spring magnet is produced by a method of obtaining powder of a Nd—Fe—B type rare earth magnet alloy which comprises hard magnetic phases and soft magnetic phases wherein a minimum width of the soft magnetic phases is smaller than or equal to 1 μm and a minimum distance between the soft magnetic phases is greater than or equal to 0.1 μm, obtaining a compressed powder body by compressing the powder, and obtaining the Nd—Fe—B type anisotropic exchange spring magnet by sintering the compressed powder body using a discharge plasma sintering unit. | 08-21-2008 |
20080213609 | SHIELDING BASED ON METALLIC NANOPARTICLE COMPOSITIONS AND DEVICES AND METHODS THEREOF - Disclosed are cohesive metallic structures, comprising sintered metallic nanoparticles, suitable for shielding against electromagnetic interference and radio frequency interference. Also disclosed are methods for forming such structures. Devices for shielding electromagnetic radiation and methods of shielding electromagnetic radiation using such devices are also provided. | 09-04-2008 |
20080233420 | PRODUCTION OF HIGH-PURITY TANTALUM FLAKE POWDER - The present invention relates to a high-purity tantalum flake powder, produced by a hydride-dehydride process including: (a) cold working tantalum metal into a thin sheet; (b) hydriding the thin sheet, forming a brittle tantalum foil; (c) adjusting the tantalum foil to a desired particle size; and (d) removing hydrogen from the tantalum foil by vacuum sintering, forming a tantalum flake powder. In accordance with the present invention, tantalum flake is produced by sizing ultra-thin tantalum foil via the hydride-dehydride process. Tantalum is an extremely malleable metal and can be cold worked into extremely thin sheets less than 1 micron thick. Once hydrided, this foil is brittle, and can be easily sized by suitable milling processes. The hydrogen is removed by vacuum sintering, resulting in an extremely thin Ta metal flake. | 09-25-2008 |
20080233421 | Iron-based sintered material and production method thereof - There is provided an iron-based sintered material resistant to the metal fatigue developing from the voids therein functioning as the initial points and improved in the strength and machinability thereof. | 09-25-2008 |
20080241568 | Manufacturing Method Of Metal Product And Metal Product - In sintering a metal powder after pressure molding into a given configuration, random amorphous flaky metal fine powders ( | 10-02-2008 |
20080268275 | Method of Controlling the Oxygen Content of a Powder - A method of reducing the oxygen content of a powder is provided. A canister is prepared with a getter, filled with the powder to be densified, sealed and evacuated. The canister is subjected to a hydrogen atmosphere at an elevated temperature whereby hydrogen diffuses into the canister through the walls thereof. The hydroge forms moisture when reacted with the oxygen of the powder and the moisture in the reacted with the getter in order to remove oxygen from the powder to the getter. The atmosphere outside the canister is then altered to an inert atmosphere or vacuum, whereby hydrogen diffuses out of the canister. A dense body having a controlled amount of oxygen can thereafter be produced by conventional powder metallurgy techniques. | 10-30-2008 |
20090023007 | HIGHLY CRYSTALLINE SILVER POWDER AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide highly crystalline silver powder which is characterized in fine particles, showing high dispersibility, it's particle size distribution is not excessively sharp but relatively broad and crystallites are large; and a method for producing the same. In order to achieve the object, a method for producing highly crystalline silver powder is characterized in that mixing a first aqueous solution and a second aqueous solution, wherein the first aqueous solution contains silver nitrate, a dispersing agent and nitric acid, and the second solution contains ascorbic acid. For dispersing agent, polyvinylpyrrolidone or gelatin is preferred. Highly crystalline silver powder produced by the above-described method is preferred to be a crystallite diameter of 300 Å or more, an average particle diameter D | 01-22-2009 |
20090042050 | Method and Apparatus for Sintering of Inorganic Materials as Well as Resulting Objects - The invention refers to a method and an apparatus for fabricating a tridimensional solid object by sintering inorganic particles of controlled size distribution. The particles are directed onto a target area in a powdery stream in the shape of a conical surface which is coaxial to a simultaneous heating flux while an at least bidimensional relative movement is maintained between the target area, the powdery stream and the heating flux. As a result the particles sinterization occurs in a single operation directly onto the target area. The resulting tridimensional solid objects are also claimed. | 02-12-2009 |
20090047538 | Method for Production of a Bead Single Crystal - A method for production of a bead single crystal includes heating at least one wire using electron beam heating to form the bead single crystal. The bead single crystal is advantageously produced by the electron beam heating of the at least one wire in vacuo. Bead single crystals comprising Ag, Al, Cr, Cu, Ir, Mo, Nb, Ni, Pd, Pt, Re, Rh, Ru, Ta, W or metal alloys, in particular, Ag/Au, Pt/Rh or Pt/Re alloys are advantageously produced by the method. The bead single crystals are preferably used in surface research, thin layer technology and electrochemistry. | 02-19-2009 |
20090098402 | Nanocrater catalyst in metal nanoparticles and method for preparing the same - Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles. | 04-16-2009 |
20090136776 | Method And Apparatus Using A Split Case Die To Press A Part And The Part Produced Therefrom - A split case die is used to press powder, wherein the die parts are moveable in a direction non-parallel to the direction of the pressing axis. The part produced by such a split case die has an external surface with parting line marks oriented in a direction non-perpendicular to the pressing axis. | 05-28-2009 |
20090202855 | POROUS SLIDING BEARING AND METHOD OF CONSTRUCTION THEREOF - A bearing material including a Cu—Sn—Bi alloy layer and method of construction thereof is provided. The alloy layer has a porosity ranging from about 2% to about 10%. A majority of the porosity has pores separate and out of direct communication with one another such that the pores are not interconnected with one another. The alloy layer can be sintered to a metal backing layer, and can be shaped as desired for an intended bearing application. | 08-13-2009 |
20090239091 | METHOD FOR PRINTING A METAL PASTE, METAL MASK, AND BUMP FORMING METHOD - A method for printing a metal paste includes the step of arranging, to locate a through hole of a metal mask having the through hole on an electrode, a metal mask on a substrate and forming a gap portion communicating with the through hole in an interface between the substrate and the metal mask. According to this method, in filling of a metal paste, a flux oozing on a surface of the metal paste can be moved to the gap portion. In other words, a deaeration path for residual air in the metal paste clogged by the flux can be secured by removing the flux. In this manner, in the through hole, the remaining air in the metal paste can be removed, and a filling rate of the metal paste can be increased. | 09-24-2009 |
20090291317 | LAMINATED ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME - A laminated electronic component includes outer terminal electrodes including lower plating films including metal particles having an average size of 0.5 μm or less, the lower plating films being formed by directly plating an outer surface of an electronic component body such that the lower plating films are electrically connected to exposed portions of inner conductors. The outer terminal electrodes may further include upper plating films formed on the lower plating films, the upper plating films being defined by one or more layers. Metal particles defining the upper plating films may have an average size of 0.5 μm or less. The metal particles defining the lower plating films may be Cu particles. | 11-26-2009 |
20090305073 | PLATINUM-FREE AND PALLADIUM-FREE CONDUCTIVE ADHESIVE AND ELECTRODE FORMED THEREBY - A platinum-free and palladium-free conductive adhesive includes silver particles, additive metal particles and a binder. Components of the additive metal particles are selected from the group consisting of tungsten, niobium, tantalum and molybdenum etc., and do not contain platinum and palladium. The binder adheres the silver particles and the additive metal particles together. A specific weight percentage of the additive metal particles in a mixture of the silver particles and the additive metal particles ranges from 1 to 70. The presence of the additive metal particles can suppress silver migration. An electrode formed by the conductive adhesive is also disclosed. | 12-10-2009 |
20100035077 | Powder Metal Forging and Method and Apparatus of Manufacture - A method of forming a powder metal forging, including the steps of: forming a preform including a sintered powder metal composition; inserting the preform in a die set having a bottom die and a top die, the die set defining a forge form therewithin, the die set being in a closed position wherein the top die is contacting the bottom die; and compressing the preform in the forge form using an upper punch and a lower punch, the compressing step resulting in a formed part. The closed die set minimizes or eliminates flash in the formed part, particularly in the contoured surfaces, which allows the forging to be through hardened by direct quenching after the forging operation, without the need to remove hardened flash from these surfaces. | 02-11-2010 |
20100068547 | Free-Machining Powder Metallurgy Steel Articles and Method of Making Same - A small diameter, elongated steel article, comprising fully consolidated, prealloyed metal powder is disclosed. The consolidated metal powder has a microstructure that has a substantially uniform distribution of fine grains having a grain size of not larger than about 9 when determined in accordance with ASTM Standard Specification E 112. The microstructure of the consolidated metal powder is further characterized by having a plurality of substantially spheroidal carbides uniformly distributed throughout the consolidated metal powder that are not greater than about 6 microns in major dimension and a plurality of sulfides uniformly distributed throughout the consolidated metal powder wherein the sulfides are not greater than about 2 microns in major dimension. A process for making the elongated steel article is also disclosed. | 03-18-2010 |
20100068548 | COMPOSITION AND METHOD OF PREPARING NANOSCALE THIN FILM PHOTOVOLTAIC MATERIALS - A photo-absorbing layer for use in an electronic device; the layer including metal alloy nanoparticles copper, indium and/or gallium made preferably from a vapor condensation process or other suitable process, the layer also including elemental selenium and/or sulfur heated at temperatures sufficient to permit reaction between the nanoparticles and the selenium and/or sulfur to form a substantially fused layer. The reaction may result in the formation of a chalcopyrite material. The layer has been shown to be an efficient solar energy absorber for use in photovoltaic cells. | 03-18-2010 |
20100075169 | Method for producing a weight - A method for producing a weight comprising following steps: (a) grinding a barium sulfate ore into powder, (b) mixing the barium sulfate ore powder with dihydrolipoyl and solidifying agent, (c) extruding the mixture, and (d) die-casting the extruded mixture into a weight of a predetermined shape. | 03-25-2010 |
20100075170 | POLYCRYSTALLINE COMPLEX-SHAPED MESOSCALE COMPONENTS - A polycrystalline mesoscale component is provided that has an overall length L divided into multiple segments with a second segment extending from a first segment at a nonlinear angle. The first segment has a first segment height H | 03-25-2010 |
20100136358 | Polyol-based method for producing ultra-fine metal powders - The invention provides monodisperse ultra-fine metallic particles having a low degree of agglomeration and a high degree of crystallinity and oxidation resistance, and methods for forming such particles. The invention provides a method of controlling the size and size distribution of ultra-fine metal particles by regulating the pH of a polyol-type process. The methods of the invention make it possible to increase the metal loading in a polyol-type process without increasing particle size, enabling the production of ultra-fine metallic particles in high yield. | 06-03-2010 |
20100151266 | CEMENTED CARBIDE BODY AND METHOD - The present invention relates to a method of producing a cemented carbide body comprising providing: (1) a grain refiner compound comprising a grain refiner and carbon and/or nitrogen, and, (2) a grain growth promoter, on at least one portion of the surface of a compact of a WC-based starting material comprising one or more hard-phase components and a binder, and then sintering the compact. The invention also relates to a cemented carbide body comprising a WC-based hard phase and a binder phase, wherein at least one part of an intermediate surface zone has a lower average binder content than a part further into the body, and at least one part of an upper surface zone has in average a larger average WC grain size than the intermediate surface zone. The cemented carbide body can be used as a cutting tool insert for metal machining, an insert for a mining tool, or a coldforming tool. | 06-17-2010 |
20100167078 | NANO POWDER, NANO INK AND MICRO ROD, AND THE FABRICATION METHODS THEREOF - Disclosed are a method for fabricating nanopowders, nano ink containing the nanopowders and micro rods, and nanopowders containing nanoparticles, nano clusters or mixture thereof, milled from nano fiber composed of at least one kind of nanoparticles selected from a group consisting of metal, nonmetal, metal oxide, metal compound, nonmetal compound and composite metal oxide, nano ink containing the nanopowders and microrods, the method comprising spinning a spinning solution containing at least one kind of precursor capable of composing at least one kind selected from a group consisting of metal, nonmetal, metal oxide, metal compound, nonmetal compound and composite metal oxide, crystallizing or amorphizing the spun precursor to produce nano fiber containing at least one kind of nanoparticles selected from a group consisting of metal, nonmetal, metal oxide, metal compound, nonmetal compound and composite metal oxide, and milling the nano fiber to fabricate nanopowders containing nanoparticles, nano clusters or mixture thereof. | 07-01-2010 |
20100190024 | SINTERED COPPER-BASED MATERIAL HAVING INCREASED GRAIN SIZE AND METHOD OF MAKING THE SAME - Disclosed are sintered copper-based materials and methods for forming the same having a larger grain size than materials formed through conventional methods. A metal powder having copper is compressed, pre-heated, and then sintered. Then, the density of the once sintered copper-based material is sized to increase density and subjected to a second sintering act. The sintered copper-based materials have a grain size of at least 50 μm. | 07-29-2010 |
20100247944 | HYDROGEN-PERMEABLE MEMBRANE MADE OF A METAL COMPOSITE MATERIAL - The invention relates to a metal matrix material made of a hydrogen-permeable metal 1 and a chemically stable metal 2 that is also hydrogen permeable, said matrix material having a structure comprised of a plurality of centers made of the metal 2 surrounded by the metal 1. The invention further relates to a method for the production of said matrix material, having the following steps: a. optionally pretreating the metal 1 and/or 2 b. coating metal 1 with a metal 2 to form a composite metal powder c. pressing the composite metal powder into the metal matrix material according to the invention in the form of a pressed body d. optionally deforming the pressed body thus obtained to form a molded body. The metal matrix material has a greater mechanical stability as compared to a conventionally coated metal film by virtue of a more homogeneous stress distribution during the change in volume of the metal phases as a result of hydrogen absorption and thermal expansion. At the same time, said material is considerably more chemically stable than conventional coated metal membranes. The metal matrix material is particularly suitable for producing hydrogen-permeable membranes that separate hydrogen from gas mixtures by selective diffusion. | 09-30-2010 |
20100266861 | POWDER FOR MAGNETIC CORE, POWDER MAGNETIC CORE AND THEIR PRODUCTION METHODS - A method for producing a powder for a magnetic core, in which an alkoxide film formation step and a silicone resin film formation step are carried out to form an insulation film composed of an alkoxide film and a silicone resin film on the surface of a pure iron powder, wherein the alkoxide film formation step comprises immersing a pure iron powder in an alkoxide-containing solution which is prepared by mixing a Si alkoxide having at least one organic group having a polar group comprising at least one of N, P, S and O atoms and an Al alkoxide with a dehydrated organic solvent, and drying to remove the dehydrated organic solvent, thereby forming an alkoxide film comprising an Al—Si—O type composite oxide on the surface of the pure iron powder; and the silicone resin film formation step comprises immersing the pure iron powder having the alkoxide film formed thereon in a silicone resin-containing solution which is prepared by mixing a silicone resin with an organic solvent, and drying to remove the organic solvent, thereby forming a silicone resin film on the alkoxide film. | 10-21-2010 |
20100330386 | BRAZING PRODUCT COMPRISING A MIXTURE OF BRAZING FLUX AND FILLER METAL, AND PRODUCTION METHOD THEREOF - A brazing product includes a compacted solid and rigid material formed of a brazing flux and a filler metal as a mixture, which has mechanical strength sufficient to make it extrudable under a press with a flux mass proportion from 3 to 20%. The invention also provides a method for manufacturing a brazing product by mixing particles of filler metal and brazing powder in order to form metal particles coated with the flux, and compacting filler metal particles coated with the brazing flux. | 12-30-2010 |
20110020661 | FE-SI-LA ALLOY HAVING EXCELLENT MAGNETO-CALORIC PROPERTIES - The invention relates to a Fe—Si—La alloy having the following atomic composition: (La | 01-27-2011 |
20110064962 | ALUMINUM DIE CASTING PRODUCTS AND THEIR REFORMING - An aluminum die casting product which is improved in corrosion resistance and mechanical strength in particular in proof stress, and a reforming method of an aluminum die casting product are provided. The aluminum die casting product according to the present invention contains Si and Cu, and the largest particle of an Al—Cu metallic compound that exists at a crystal grain boundary between Si and Al has a diameter smaller than or equal to 10 μm. The reforming method of the present invention is applied to an aluminum die casting product that contains Si and Cu, and the aluminum die casting product is heated at a temperature higher than or equals to 150° C. and lower than 250° C. | 03-17-2011 |
20110086238 | Niobium Nanostructures And Methods Of Making Thereof - The disclosure relates to metal materials with varied nanostructural morphologies. More specifically, the disclosure relates to niobium nanostructures with varied morphologies. The disclosure further relates to methods of making such metal nanostructures. | 04-14-2011 |
20110129684 | YTTRIA SINTERED BODY AND COMPONENT USED FOR PLASMA PROCESSING APPARATUS - To provide a high-purity Yttria sintered bodies having a high strength, a low dielectric loss and high plasma corrosion resistance of halogen gas during wide range surface roughness (Ra). | 06-02-2011 |
20110143158 | POWDER METAL COMPONENT TOLERANCE IMPROVEMENTS - A powder metal component ( | 06-16-2011 |
20110171483 | METHOD FOR PREPARING A CELLULAR MATERIAL BASED ON HOLLOW METAL BEADS - Method, apparatus, and system for preparing a cellular material based on hollow metal beads. According to the description, at least one bead chain in which said hollow metal beads are linked to one another in pairs by means of an articulation is used as elementary structure constituting the cellular material. | 07-14-2011 |
20110189496 | STEEL ALLOY FOR FERRITIC STEEL HAVING EXCELLENT CREEP STRENGTH AND OXIDATION RESISTANCE AT ELEVATED USAGE TEMPERATURES - A steel alloy with excellent creep strength and corrosion resistance that is ferritic at usage temperatures above 620° C. has the following chemical composition (in wt. %): C≦1.0%; Si≦1.0%; Mn≦1.0%; P max. 0.05%; S max. 0.01%; 2≦Al≦12%; 3≦Cr≦16%; 2≦Ni≦10% and/or 2≦Co≦10%, where 2≦Ni+Co≦[% Cr]+2.07×[% Al]>=0.95×([% Ni]+[% Co]); N max. 0.0200%. The remainder is iron with steel production-related impurities. Optionally, one or more elements of V, Ti, Ta, Zr, Nb, Mo and W, as well as one or more elements of Hf, B, Se, Y, Te, Sb, La and Zr with a cumulative content of <0.1% can be added. The steel structure includes uniformly distributed coherent precipitates based on a chromium-stabilized (Ni, Co) Al-B2 intermetallic ordered phase. | 08-04-2011 |
20110195264 | Acicular Metal Particles Having a High Aspect Ratio and Non-Catalytic Methods for Making the Same - A non-catalytic method for making high aspect ratio metal particles comprises: mixing a preheated metallic salt solution with a preheated reducing solution, the reducing solution comprising a carboxylic acid or salt thereof and an acrylic copolymer; and heating the reaction mixture to a first temperature and maintaining the mixture at the first temperature for a first period of time, then heating the reaction mixture to a second temperature that is higher than the first temperature and maintaining the mixture at the second temperature for a second period of time. The metal cations in the metallic salt are reduced by the reducing solution to form a plurality of crystallized metallic particles having a high aspect ratio. Electrically conductive articles incorporating the high aspect ratio metal particles and methods for their manufacture are also provided. | 08-11-2011 |
20110212339 | METALLURGICAL COMPOSITION OF PARTICULATE MATERIALS, SELF-LUBRICATING SINTERED PRODUCTS AND PROCESS FOR OBTAINING SELF-LUBRICATING SINTERED PRODUCTS - The metallurgical composition includes a main particulate metallic material, for example iron or nickel, and at least one alloy element for hardening the main metallic material, which form a structural matrix; a particulate solid lubricant, such as graphite, hexagonal boron nitride or mixture thereof; and a particulate alloy element which is capable of forming, during the sintering of the composition conformed by compaction or by injection molding, a liquid phase, agglomerating the solid lubricant in discrete particles. The composition may include an alloy component to stabilize the alpha-iron matrix phase, during the sintering, in order to prevent the graphite solid lubricant from being solubilized in the iron. The invention further refers to a self-lubricating sintered product, obtained from the composition, and to the process for obtaining said product. | 09-01-2011 |
20110236709 | LOW-TEMPERATURE SINTERABLE METAL NANOPARTICLE COMPOSITION AND ELECTRONIC ARTICLE FORMED USING THE COMPOSITION - [Object] A composition of a metal nanoparticle is provided in which reproducibility in a method of producing a metal film with excellent low-temperature sinterable properties is improved. An article using the metal nanoparticle composition is also provided. | 09-29-2011 |
20110244260 | Cu-Ni-Si-Co COPPER ALLOYS FOR ELECTRONIC MATERIALS AND MANUFACTURING METHODS THEREOF - Provided is a Cu—Ni—Si—Co based copper alloy with which high levels of strength and conductivity are achieved, and that also has excellent permanent fatigue resistance. The copper alloy for electronic materials contains Ni: 1.0-2.5 mass %, Co: 0.5-2.5 mass %, and Si: 0.3-12 mass %, and the remainder comprises Cu and unavoidable impurities. Of the second phase particles precipitated in the matrix, the number density of those having a particle diameter of 5-50 nm is 1×10 | 10-06-2011 |
20110256417 | Oxidation Resistant Nanocrystalline MCrAl(Y) Coatings And Methods of Forming Such Coatings - The present disclosure relates to an oxidation resistant nanocrystalline coating and a method of forming an oxidation resistant nanocrystalline coating. An oxidation resistant coating comprising an MCrAl(Y) alloy may be deposited on a substrate, wherein M, includes iron, nickel, cobalt, or combinations thereof present greater than 50 wt % of the MCrAl(Y) alloy, chromium is present in the range of 15 wt % to 30 wt % of the MCrAl(Y) alloy, aluminum is present in the range of 6 wt % to 12 wt % of the MCrAl(Y) alloy and yttrium, is optionally present in the range of 0.1 wt % to 0.5 wt % of the MCrAl(Y) alloy. In addition, the coating may exhibit a grain size of 200 nm or less as deposited. | 10-20-2011 |
20120015204 | STAINLESS STEEL ALLOY - Stainless steel alloy composition. The stainless steel alloy composition includes rounded carbides and free chromium in a ferrite matrix. The rounded carbides have particle sizes under 5 microns. The rounded carbides include a first quantity of niobium-containing carbide and a second quantity of chromium carbide, and are substantially free of large, irregularly-shaped carbides. | 01-19-2012 |
20120121922 | ENGINE OR ENGINE PART AND A METHOD OF MANUFACTURING THE SAME - Disclosed herein is an engine | 05-17-2012 |
20120135260 | FABRICATION OF NANO-TWINNED NANOPILLARS - Nanopillars with nanoscale diameters are provided where the nanopillar has uniformly aligned nano-twins either perpendicular or inclined by 1-90° to the pillar-axis with no grain-boundaries or any other features. | 05-31-2012 |
20120148860 | FLAT Ni PARTICLE, LAMINATED CERAMIC ELECTRONIC COMPONENT USING FLAT Ni PARTICLE, AND PRODUCTION METHOD FLAT Ni PARTICLE - Provided is a flat Ni particle which has a large specific surface area, permitting efficient binder removal when the flat Ni particle is used for internal electrodes of a laminated ceramic electronic component. The flat Ni particle has a thickness t (m), a specific gravity ρ (g/m | 06-14-2012 |
20120177939 | POROUS STRUCTURE HAVING A CONTROLLED PATTERN, REPEATED IN SPACE, FOR PRODUCING SURGICAL IMPLANTS - The present invention relates to a porous structure having a controlled pattern ( | 07-12-2012 |
20120295124 | Process for Producing Metallic Components - A process for producing a metallic component with an opening or a hollow space by selective laser sintering or laser melting includes melting a metallic powder in layers at appropriate cross-sectional regions by using laser radiation. After the laser sintering or laser melting process, the component is subjected to a fracture splitting process, in which the component is fractured into at least two fractional parts along a fracture line and then the at least two fractional parts are connected to one another at the sites of fracture to form the component. The fracture line contacts or passes through the opening or the hollow space. | 11-22-2012 |
20130089749 | SYSTEM AND METHOD FOR REDUCING THE BULK DENSITY OF METAL POWDER - An apparatus for increasing the bulk density of metal powder may include a sealed chamber, a nozzle, and a target. The sealed chamber may include an inert environment. The nozzle may be coupled to an inert gas source and may be configured to introduce raw metal powder into a flow of the inert gas for discharge as a cold spray mixture of the raw metal powder and the inert gas into the chamber. The target may be housed within the sealed chamber and may be configured to receive an impact of the cold spray mixture. The nozzle and the target may be configured to flatten the raw metal particles into flattened metal particles in response to the cold spray mixture impacting the target. | 04-11-2013 |
20130202909 | METHOD OF PRODUCING METAL NANOPARTICLES - Provided is a method of producing metal nanoparticles. Preferably, the method of producing metal nanoparticles includes preparing a reaction solution by adding a reducing agent solution to a dispersing agent solution, and simultaneously putting a metal precursor solution and the reducing agent solution into the reaction solution and mixing the resulting mixture. Large amounts of metal nanoparticle powder having a uniform particle diameter may be easily prepared. | 08-08-2013 |
20130209825 | COPPER-COBALT-SILICON ALLOY FOR ELECTRODE MATERIAL - Disclosed is a copper-cobalt-silicon (Cu—Co—Si) alloy for electronic material with an improved balance among electro-conductivity, strength and bend formability, which includes 0.5 to 3.0% by mass of Co, 0.1 to 1.0% by mass of Si, and the balance of Cu and inevitable impurities, having a ratio of mass percentages of Co and Si (Co/Si) given as 3.5≦Co/Si≦5.0, having an average particle size of second phase particles, within the range of the particle size of 1 to 50 m seen in a cross-section taken in parallel with the direction of rolling, of 2 to 10 nm, and having an average distance between the adjacent second phase particles of 10 to 50 nm. | 08-15-2013 |
20130252012 | POWDER METAL AXIAL AND RADIAL RETENTION FEATURES FOR MOLDING APPLICATIONS - A powder metal insert for overmolding and method of making it has retention features on the outer surface extending from each end and angularly offset from one another. | 09-26-2013 |
20130309519 | CONFORMAL PARTICLE COATINGS ON FIBROUS MATERIALS - Methods are provided for uniform deposition of particles on curved surfaces such as fibers and coatings formed by the particles. Particles in the size range of 10-2000 nm are deposited onto a fibrous material via electrostatic interaction between charge modified fiber material surfaces and oppositely charged particles or metal ions. Various nonmetallic, bimetallic or other charged particles are deposited onto a fibrous material via electrostatic interaction between charged modified fibrous material surfaces and oppositely charged particles. Particles can be directly assembled onto a surface of a fibrous material by controlling hydrogen bonding interactions between interfaces of fibers and functionalized particles. Metal particles can also be deposited by in situ synthesis. A method is also provided for layer-by-layer deposition of particles over a fibrous material. | 11-21-2013 |
20140017507 | METAL-BASED PARTICLE ASSEMBLY - There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and an absorbance at the maximum wavelength is higher as compared with that of a reference metal-based particle assembly, on the premise that the numbers of the metal-based particles are the same. The metal-based particle assembly of the present invention presents significantly intense plasmon resonance. | 01-16-2014 |
20140057122 | WELDABLE, CRACK-RESISTANT CO-BASED ALLOY AND OVERLAY METHOD - An alloy for imparting wear- and corrosion-resistance to a metal component wherein the alloy comprises between about 0.12 wt % and about 0.7 wt % C, between about 20 wt % and about 30 wt % Cr, between about 10 wt % and about 15 wt % Mo, between about 1 wt % and about 4 wt % Ni, and balance of Co. | 02-27-2014 |
20140099513 | PREPARATION METHOD OF SILVER NANO-STRUCTURE FOR SURFACE ENHANCED, RAMAN SCATTERING SUBSTRATE AND SILVER NANO-STRUCTURE THEREBY - A preparation method of silver nanostructure for use as substrate of surface-enhanced Raman scattering (SERS), which can ensure the ‘hot spot’, which provides the considerably very intense electromagnetic field in which the silver nano-structures have uniform average size and very strong forms of particles, by characterizing a variety of conditions such as, for example, concentration of AgNO | 04-10-2014 |
20140120359 | LOW-TEMPERATURE SINTERABLE METAL NANOPARTICLE COMPOSITION AND ELECTRONIC ARTICLE FORMED USING THE COMPOSITION - [OBJECT] A composition of a metal nanoparticle is provided in which reproducibility in a method of producing a metal film with excellent low-temperature sinterable properties is improved. An article using the metal nanoparticle composition is also provided. | 05-01-2014 |
20140120360 | COATED FIBROUS COPPER MICROPARTICLES, AND ELECTRICALLY CONDUCTIVE COATING AGENT AND ELECTRICALLY CONDUCTIVE FILM EACH CONTAINING SAID COATED FIBROUS COPPER MICROPARTICLES - The present invention provides coated fibrous copper microparticles, wherein the coated fibrous copper microparticles are fibrous copper microparticles each at least partially coated with a metal other than copper, and the length and the aspect ratio of the fibrous copper microparticles are 1 μm or more and 10 or more, respectively. | 05-01-2014 |
20140141272 | SPORTS EQUIPMENT COMPRISING DIFFUSED TITANIUM NITRIDE - A method for diffusing titanium and nitride into a sports equipment component. The method generally includes the steps of providing a sports equipment component providing a salt bath which includes sodium dioxide and a salt selected from the group consisting of sodium cyanate and potassium cyanate; dispersing metallic titanium formed by electrolysis of a titanium compound in the bath; heating the salt bath to a temperature ranging from about 430° C. to about 670° C.; and soaking the sports equipment component in the salt bath for a time of from about 10 minutes to about 24 hours. In accordance with another aspect of the present invention, the sports equipment component may further be treated with conventional surface treatments or coatings. | 05-22-2014 |
20140154520 | Embossed Metallic Flakes Process And Product - A process for preparing embossed fine particulate thin metal flakes having high levels of brightness and color intensity. The process comprises forming a release coat on a flexible polymeric carrier film, embossing the release coat with a diffraction grating pattern that is monoruled at an angle above 45°, vacuum metalizing the embossed release surface with a highly reflective metal such as aluminum, and solubilizing the metalized release coat in a solvent for removing the metal from the carrier to form embossed metal flakes that replicate the embossment pattern. The flakes are recovered from the solution containing the solvent and release coat polymer while avoiding high shear, particle sizing or other application of energy that would excessively break up the flakes, so that the D50 particle size of the flakes is maintained at or above 75 microns. The flakes have application to coatings and printing inks that produce extremely high brightness characterized as an optically apparent glitter or sparkle effect in combination with high color intensity or chromaticity. | 06-05-2014 |
20140170432 | SURFACE-MODIFIED, WC-BASED CEMENTED CARBIDE MEMBER, HARD-COATED, WC-BASED CEMENTED CARBIDE MEMBER, AND THEIR PRODUCTION METHODS - The ion bombardment of Cr, etc. onto a surface of a WC-based cemented carbide substrate in a nitrogen-based gas forms a modified phase having a bcc structure on the substrate surface, and a hard coating containing at least Cr formed thereon has high adhesion to the substrate by the modified phase. | 06-19-2014 |
20140186647 | BROAD PARTICLE SIZE DISTRIBUTION POWDERS FOR FORMING SOLID OXIDE FUEL CELL COMPONENTS - A raw material powder for forming a layer of a solid oxide fuel cell (SOFC) article includes a broad particle size distribution (BPSD) defined by plotted curve of frequency versus diameter of the raw material powder may be characterized as having a first standard deviation including at least about 78% to at least about 99% of a total content of particles of the raw material powder. The plotted curve of the BPSD may also be characterized as having a first maximum value and a first minimum value, wherein the difference between the first maximum value and first minimum value is not greater than about 8%. | 07-03-2014 |
20140242405 | FRICTION LINER - Grain-refined and amorphous metallic material based friction liners for braking devices as used, e.g., in motor vehicles such as cars, trucks, motorcycles, as well as bicycles and other applications requiring, at least at times, means for decelerating rotating parts are disclosed. Friction liners can have isotropic or anisotropic properties and the friction surfaces can optionally be rendered hydrophobic. | 08-28-2014 |
20140255715 | NON-EVAPORABLE GETTER COMPOSITIONS WHICH CAN BE REACTIVATED AT LOW TEMPERATURE AFTER EXPOSURE TO REACTIVE GASES AT A HIGHER TEMPERATURE - Compositions containing a mixture of non-evaporable getter alloys are described. The compositions, after having lost their functionality in consequence of the exposure to reactive gases at a first temperature, can then be reactivated through a thermal treatment at a second temperature that is lower than the first one. | 09-11-2014 |
20140308536 | SINTERED TUNGSTEN ALLOY - There is provided a flat plate-like sintered tungsten alloy that can be molded into a complex shape by press working or forge processing. The flat plate-like sintered tungsten alloy contains 85% by mass or more and 98% by mass or less of W, 1.4% by mass or more and 11% by mass or less of Ni, and 0.6% by mass or more and 6% by mass or less of at least one substance selected from the group consisting of Fe, Cu and Co, wherein an elongation percentage of the flat plate-like sintered tungsten alloy in a planar direction is 20% or more. | 10-16-2014 |
20140370322 | SHELL ACTIVATED SINTERING OF CORE-SHELL PARTICLES - A sintered structure and method for forming it are disclosed. The method includes obtaining core-shell particles having a core material and a shell material, forming the particles into a powder compact, and annealing the powder compact at an annealing temperature. The shell material is a metal that diffuses faster than the core material at the annealing temperature and diffuses to the contacts between the core-shell particles during annealing to form sintered interfaces between the core-shell particles. The sintered structure can have discontinuous regions of shell material between the sintered interfaces. The core material can be a metal, semiconductor or ceramic. The core material can be copper and the shell material can be silver. The sintered interfaces can be almost purely shell material. The annealing temperature can be significantly lower than the temperature needed to form interfaces between particles of the core material without the shell material. | 12-18-2014 |
20150099135 | MAGNESIUM ION BATTERIES AND MAGNESIUM ELECTRODES EMPLOYING MAGNESIUM NANOPARTICLES SYNTHESIZED VIA A NOVEL REAGENT - Electrodes employing as active material magnesium nanoparticles synthesized by a novel route are provided. The nanoparticle synthesis is facile and reproducible, and provides magnesium nanoparticles of very small dimension and high purity for a wide range of metals. The electrodes utilizing these nanoparticles thus may have superior capability. Magnesium ion electrochemical cells employing said electrodes are also provided. | 04-09-2015 |
20150099136 | SILVER POWDER AND METHOD FOR PRODUCING SAME - A method for producing silver powder wherein a silver solution containing a silver complex and a reductant solution are continuously mixed to provide a reaction liquid, the method including: a step of preparing a silver nucleus solution wherein a silver solution for nucleation which contains a silver complex, a solution containing a strong reductant, and a dispersant are mixed to provide the silver nucleus solution; a step of preparing a reductant solution containing nuclei wherein the silver nucleus solution obtained and a weak reductant having a standard electrode potential higher than that of the strong reductant are mixed to obtain the reductant solution containing nuclei; and a step of growing particles wherein the reductant solution containing nuclei and a silver solution for particle growth containing a silver complex are continuously mixed to provide a reaction solution, in which the silver complex is reduced to thereby grow silver particles. | 04-09-2015 |
20150104664 | MAGNETIC COMPONENT, AND SOFT MAGNETIC METAL POWDER USED THEREIN AND MANUFACTURING METHOD THEREOF - In a magnetic component, such as an inductor and an antenna, produced with a metal magnetic powder, a complex number component of magnetic permeability that is a loss in the GHz band was high. | 04-16-2015 |
20150147585 | METHOD AND APPARATUS FOR GENERATING A WORK PIECE CONTAINING AN INFORMATION CODE - A method and an apparatus ( | 05-28-2015 |
20150310955 | METAL MICROPARTICLES PROVIDED WITH PROJECTIONS - In response to the demand for shape-controlled metal microparticles accompanying rapid development and progress in industry in recent years, metal microparticles, which have projections on the surfaces of the particles that are integrated with the particles, are provided. The metal microparticles have integrated conical projections on the surfaces of the particles, and at least some of the projections are more than ¼ of the size of the particles. The protrusions that protrude from the metal microparticles melt and deform at a temperature lower than the melting point of the metal itself. | 10-29-2015 |
20150352625 | CEMENTED CARBIDE NECKING TOOL - A necking tool for manufacturing of metal beverage cans, the necking tool being a cemented carbide comprising in wt % of about 18 to about 63 WC, of about 21 to about 30 TiC, of about 0 to about 27 TiN, of about 0 to about 12 NbC, of about 0 to 2 Cr | 12-10-2015 |
20150367414 | METHOD AND DEVICE FOR PRESSING A GREEN COMPACT - The invention relates to a method for pressing a green compact ( | 12-24-2015 |
20160008888 | POROUS ALUMINUM SINTERED COMPACT | 01-14-2016 |
20160067776 | METAL NANOPARTICLES FORMED AROUND A NUCLEUS AND SCALABLE PROCESSES FOR PRODUCING SAME - Metal nanoparticles and compositions derived therefrom can be used in a number of different applications. Methods for making metal nanoparticles can include providing a first metal salt in a solvent; converting the first metal salt into an insoluble compound that constitutes a plurality of nanoparticle seeds; and after forming the plurality of nanoparticle seeds, reacting a reducing agent with at least a portion of a second metal salt in the presence of at least one surfactant and the plurality of nanoparticle seeds to form a plurality of metal nanoparticles. Each metal nanoparticle can include a metal shell formed around a nucleus derived from a nanoparticle seed, and the metal shell can include a metal from the second metal salt. The methods can be readily scaled to produce bulk quantities of metal nanoparticles. | 03-10-2016 |
20160172327 | Low-Temperature Bonding and Sealing With Spaced Nanorods | 06-16-2016 |
20160199915 | GRANULATION OF MOLTEN MATERIAL | 07-14-2016 |
20160250684 | DIE-CASTING APPARATUS, DIE-CASTING METHOD, AND DIECAST ARTICLE | 09-01-2016 |
20160375496 | Method for Preparing Metal Nanoparticles - The present disclosure relates to a method for preparing metal nanoparticles, and particularly, to a method for preparing metal nanoparticles, the method including reacting a hydrazine-carbon dioxide binded compound with a metal oxide or a metal ion compound. | 12-29-2016 |
20170236626 | RARE EARTH PERMANENT MAGNET AND METHOD FOR PREPARING SAME | 08-17-2017 |
20180021854 | TITANIUM-BASED POWDER, AND INGOT AND SINTERED ARTICLE THEREOF | 01-25-2018 |
20180025818 | SINTERED R-TM-B MAGNET | 01-25-2018 |
20180025820 | R-T-B BASED SINTERED MAGNET | 01-25-2018 |
20190144973 | METHOD FOR MANUFACTURING FINE FREE CARBON DISPERSION TYPE CEMENTED CARBIDE, CUTTING TIP WITH EXCHANGEABLE CUTTING EDGE, MACHINED PRODUCT FORMED FROM ALLOY, AND METHOD FOR MANUFACTURING SAME | 05-16-2019 |