| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 075230000 | With nonmetal constituent - Silicon(Si) considered a metal (e.g., cermet, etc.) | 73 |
| 20090007724 | In Situ Created Metal Nanoparticle Strengthening of Metal Powder Articles - The structural integrity of a metal powder body during heat treatment is enhanced by the in situ formation of metal nanoparticles. The nanoparticles bond to one another and to the metal powder particles of the powder body during heat treatment to provide strength to the powder body prior to the operation of the physical phenomena which transform the powder body into a coherent article. The precursor or precursors from which the nanoparticles are derived are preferably metal salts which are added to the powder or powder body in the form of a solution. The use of conventional binders is optional. | 01-08-2009 |
| 20090071290 | SLIDING PART AND METHOD OF MANUFACTURING THE SAME - A sliding part in which a surface coverage ratio of copper in the sliding part increases. A bearing which is the sliding part is formed by filling the raw powder into the filling portion of the forming mold, compacting the raw powder to form a powder compact, and sintering the powder compact. A copper-based raw powder is composed of a copper-based flat raw powder having an average diameter smaller than that of an iron-based raw powder and an aspect ratio larger than that of the iron-based raw powder, and a copper-based small-sized raw powder having the average diameter is smaller than that of the copper-based flat raw powder. The copper segregates at the surface of the sliding part. In the bearing in which the copper-based flat powder segregates at the surface, the surface is covered with the copper-based small-sized raw powder that has emerged on the surface, as well as the copper-based flat raw powder, thereby it is possible to increase the surface coverage ratio of copper. Furthermore, containing calcium fluoride improves the seizure resistance. | 03-19-2009 |
| 20090183598 | COMPOSITE MATERIAL , METHOD FOR MANUFACTURING THE SAME, AND EDGED TOOL BY USING THE SAME - It is an object to provide a composite material having a satisfactory sintering density and exhibiting excellent abrasion resistance and a method for manufacturing the same. The composite material contains a Ti alloy matrix containing Ti as a primary component and TiB and NiB dispersed in the Ti alloy matrix. The method for manufacturing the composite material includes the step of conducting sintering by using a mixed powder containing a Ti powder and/or a Ti alloy powder containing Ti as a primary component and a Ni—B alloy powder. | 07-23-2009 |
| 20100154587 | METHODS OF FORMING BODIES FOR EARTH-BORING DRILLING TOOLS COMPRISING MOLDING AND SINTERING TECHNIQUES, AND BODIES FOR EARTH-BORING TOOLS FORMED USING SUCH METHODS - Methods of fabricating bodies of earth-boring tools include mechanically injecting a powder mixture into a mold cavity, pressurizing the powder mixture within the mold cavity to form a green body, and sintering the green body to a desired final density to form at least a portion of a body of an earth-boring tool. For example, a green bit body may be injection molded, and the green bit body may be sintered to form at least a portion of a bit body of an earth-boring rotary drill bit. Intermediate structures formed during fabrication of an earth-boring tool include green bodies having a plurality of hard particles, a plurality of matrix particles comprising a metal matrix material, and an organic material that includes a long chain fatty acid derivative. Structures formed using the methods of fabrication are also disclosed. | 06-24-2010 |
| 20100229682 | Cold cast mass element - A cold cast mass element has solid metal particles of greater than 75% by volume and a binding agent of less than 25% by volume, with an outside surface. The binding agent is exposed on the outside surface and encapsulates the solid metal particles within the cold cast mass element. The may have an outside surface has a hardness of greater than durometer 70 Shore A and preferably has a hardness of above about 75 Shore A or above about 100 Shore D. The mass element has a binding agent which is an epoxy resin or thermosetting phenol formaldehyde resin. The metal particles can be grinded iron of preferably 85% to 96% by volume with a binding agent 4% to 12% by volume. The mass element preferably has solid metal particles of greater than 85% by weight; and a binding agent of less than 15% by weight. | 09-16-2010 |
| 20120285293 | COMPOSITE SINTERED POWDER METAL ARTICLES - A composite sintered powder metal article including a first region including a cemented hard particle material such as, for example, cemented carbide. The article includes a second region including: a metallic material selected from a steel, nickel, a nickel alloy, titanium, a titanium alloy, molybdenum, a molybdenum alloy, cobalt, a cobalt alloy, tungsten, a tungsten alloy; and from 0 up to 30 percent by volume of hard particles. The first region is metallurgically bonded to the second region, and each of the first region and the second region has a thickness of greater than 100 microns. The second region comprises at least one mechanical attachment feature so that the composite sintered powder metal article can be attached to another article. The article comprises one of an earth boring article, a metalcutting tool, a metalforming tool, a woodworking tool, and a wear article. | 11-15-2012 |
| 20130000448 | LEAD FREE REDUCED RICOCHET LIMITED PENETRATION PROJECTILE - A frangible projectile with a specific gravity similar to a lead projectile. The projectile comprises 34-94%, by weight, binder. The binder comprises poly ether block amide resin. The projectile further comprises 6-66%, by weight, ballast. The ballast comprises at least one member selected from a group consisting of tungsten, tungsten carbide, molybdenum, tantalum, ferro-tungsten, copper, bismuth, iron, steel, brass, aluminium bronze, beryllium copper, tin, aluminium, titanium, zinc, nickel silver alloy, cupronickel and nickel. The projectile can be prepared with a particularly preferred specific gravity of 5-14 and more preferably 11-11.5. | 01-03-2013 |
| 20130036865 | COPPER ALLOY FOR SLIDING MATERIALS - A copper alloy having excellent sliding performance is produced without relying on lead or molybdenum. The copper alloy contains a sintered Cu | 02-14-2013 |
| 20130055852 | DEGRADABLE HIGH SHOCK IMPEDANCE MATERIAL - A selectively corrodible powder compact that may be used to make the components of a selectively corrodible perforating system is disclosed. The selectively corrodible powder compact includes a cellular nanomatrix comprising a nanomatrix material. The selectively corrodible powder compact also includes a plurality of dispersed particles comprising a particle core material having a density of about 7.5 g/cm | 03-07-2013 |
| 20130098203 | SYNTACTIC METAL MATRIX MATERIALS AND METHODS - A syntactic metal foam composite that is substantially fully dense except for syntactic porosity is formed from a mixture of ceramic microballoons and matrix forming metal. The ceramic microballoons have a uniaxial crush strength and a much higher omniaxial crush strength. The mixture is continuously constrained while it is consolidated. The constraining force is less than the omniaxial crush strength. The substantially fully dense syntactic metal foam composite is then constrained and deformation worked at a substantially constant volume. The deformation working is typically performed at a yield strength that is adjusted by way of selecting a working temperature at which the yield strength is approximately less than the omniaxial crush strength of the included ceramic microballoons. This deformation causes at least work hardening and grain refinement in the matrix metal. | 04-25-2013 |
| 20130133481 | COMPOSITION FOR INJECTION MOLDING, SINTERED COMPACT, AND METHOD FOR PRODUCING SINTERED COMPACT - A composition for injection molding includes: an inorganic powder composed of at least one of a metal material and a ceramic material; and a binder containing a polyacetal-based resin, an unsaturated glycidyl group-containing polymer, and a lubricant. In the composition, the unsaturated glycidyl group-containing polymer is contained in an amount of 1% by mass or more and 30% by mass or less with respect to the amount of the polyacetal-based resin. | 05-30-2013 |
| 20130298729 | THERMOELECTRIC MATERIAL AND METHOD OF PREPARING THE THERMOELECTRIC MATERIAL - A method of preparing thermoelectric material particles, the method comprising: disposing a first electrode and a second electrode in a dielectric liquid medium, wherein the first and second electrodes each comprise a thermoelectric material; applying an electrical potential between the first and second electrodes to cause a spark between the first and second electrodes to provide a vaporized thermoelectric material at a sparking point of at least one of the first and second electrodes; and cooling the vaporized thermoelectric material with the dielectric liquid medium to prepare the thermoelectric material particles. | 11-14-2013 |
| 20130298730 | COMPOSITE SOFT MAGNETIC MATERIAL HAVING LOW MAGNETIC STRAIN AND HIGH MAGNETIC FLUX DENSITY, METHOD FOR PRODUCING SAME, AND ELECTROMAGNETIC CIRCUIT COMPONENT - A composite soft magnetic material having low magnetostriction and high magnetic flux density contains: pure iron-based composite soft magnetic powder particles that are subjected to an insulating treatment by a Mg-containing insulating film or a phosphate film; and Fe—Si alloy powder particles including 11%-16% by mass of Si. A ratio of an amount of the Fe—Si alloy powder particles to a total amount is in a range of 10%-60% by mass. A method for producing the composite soft magnetic material comprises the steps of: mixing a pure iron-based composite soft magnetic powder, and the Fe—Si alloy powder in such a manner that a ratio of the Fe—Si alloy powder to a total amount is in a range of 10%-60%; subjecting a resultant mixture to compression molding; and subjecting a resultant molded body to a baking treatment in a non-oxidizing atmosphere. | 11-14-2013 |
| 20140318315 | Thermally sprayed coating - The present invention concerns a thermally sprayed coating, which has been applied onto the surface of the substrate as a lamellar coating. This coating is formed from a completely or partially plastisized or melted solid starting material, preferably being completely plastisized, which material contains at least one component that is capable or reacting with corroding substances and combining with them to form one or more solid product compounds. The invention also concerns the uses of such a coating and a process for producing such a coating. | 10-30-2014 |
| 20140331819 | COPPER ALLOY FOR SLIDING MATERIALS - A copper alloy having excellent sliding performance is produced without relying on lead or molybdenum. The copper alloy contains a sintered Cu | 11-13-2014 |
| 20150040723 | Dispersoid reinforced alloy powder and method of making - A method of making dispersion-strengthened alloy particles involves melting an alloy having a corrosion and/or oxidation resistance-imparting alloying element, a dispersoid-forming element, and a matrix metal wherein the dispersoid-forming element exhibits a greater tendency to react with a reactive species acquired from an atomizing gas than does the alloying element. The melted alloy is atomized with the atomizing gas including the reactive species to form atomized particles so that the reactive species is (a) dissolved in solid solution to a depth below the surface of atomized particles and/or (b) reacted with the dispersoid-forming element to form dispersoids in the atomized particles to a depth below the surface of said atomized particles. The atomized alloy particles are solidified as solidified alloy particles or as a solidified deposit of alloy particles. Bodies made from the dispersion strengthened alloy particles, deposit thereof, exhibit enhanced fatigue and creep resistance and reduced wear as well as enhanced corrosion and/or oxidation resistance at high temperatures by virtue of the presence of the corrosion and/or oxidation resistance imparting alloying element in solid solution in the particle alloy matrix. | 02-12-2015 |
| 20150040724 | Dispersoid reinforced alloy powder and method of making - A method of making dispersion-strengthened alloy particles involves melting an alloy having a corrosion and/or oxidation resistance-imparting alloying element, a dispersoid-forming element, and a matrix metal wherein the dispersoid-forming element exhibits a greater tendency to react with a reactive species acquired from an atomizing gas than does the alloying element. The melted alloy is atomized with the atomizing gas including the reactive species to form atomized particles so that the reactive species is (a) dissolved in solid solution to a depth below the surface of atomized particles and/or (b) reacted with the dispersoid-forming element to form dispersoids in the atomized particles to a depth below the surface of said atomized particles. The atomized alloy particles are solidified as solidified alloy particles or as a solidified deposit of alloy particles. Bodies made from the dispersion strengthened alloy particles, deposit thereof, exhibit enhanced fatigue and creep resistance and reduced wear as well as enhanced corrosion and/or oxidation resistance at high temperatures by virtue of the presence of the corrosion and/or oxidation resistance imparting alloying element in solid solution in the particle alloy matrix. | 02-12-2015 |
| 20150320158 | ARTICLES OF JEWELRY CONTAINING A PERSONALIZING ADDITIVE SUCH AS DNA AND METHODS OF MAKING - The present invention relates to jewelry or a metal composition containing an additive or personalizing substance such as a nucleic acid, sand or other suitable component intended to have personal significance to the wearer. A nucleic acid personalizing substance may comprise human DNA of amplified repeat sequences. The jewelry may be made by using a cold or warm metallurgical technique. Prior to being integrated into the article of jewelry, the additive may be encapsulated to provide a protective layer around the personalizing substance. The protective layer can prevent degradation of the personalizing substance during manufacture of the article of jewelry. The personalizing substance can also be added to a polymer solution which is cast to form a continuous matrix of polymer including the personalizing substance. | 11-12-2015 |
| 20150337423 | HYDRIDE-COATED MICROPARTICLES AND METHODS FOR MAKING THE SAME - A metal microparticle coated with metal hydride nanoparticles is disclosed. Some variations provide a material comprising a plurality of microparticles (1 micron to 1 millimeter) containing a metal or metal alloy and coated with a plurality of nanoparticles (less than 1 micron) containing a metal hydride or metal alloy hydride. The invention eliminates non-uniform distribution of sintering aids by attaching them directly to the surface of the microparticles. No method is previously known to exist which can assemble nanoparticle metal hydrides onto the surface of a metal microparticle. Some variations provide a solid article comprising a material with a metal or metal alloy microparticles coated with metal hydride or metal alloy hydride nanoparticles, wherein the nanoparticles form continuous or periodic inclusions at or near grain boundaries within the microparticles. | 11-26-2015 |
| 20150361255 | BINDER FOR POWDER METALLURGY, MIXED POWDER FOR POWDER METALLURGY, AND SINTERED BODY - The present invention provides a binder which has excellent effect on suppression of segregation or dust emission, while exhibiting excellent fluidity both at ordinary temperatures and at high temperatures. The present invention is a binder which is blended for use in a mixed powder for powder metallurgy, said mixed powder containing an iron-based powder and an auxiliary starting material powder. This binder is characterized by being composed of one or more polymers that are selected from among butene polymers having a melting point of from 50° C. to 85° C. (inclusive) and a heated melt fluidity at 190° C. of from 2.0 g/10 minutes to 3.6 g/10 minutes (inclusive) and methacrylic acid polymers having a weight average molecular weight of 1,000,000 or less. | 12-17-2015 |
| 075231000 | Molybdenum sulfide or functional constituent (e.g., lubricant, abrasive, etc.) | 3 |
| 20120096988 | LEAD-FREE COPPER-BASED SINTERED SLIDING MATERIAL AND SLIDING PARTS - The present invention relates to sliding material provided by sintering a lead-free copper or copper alloy and contains at least one mineral selected from the group consisting of talc, mica, kaolinite mineral and montmorillonite mineral. Pb has conventionally been included in sliding materials for the purpose of obtaining conformability and seizure resistance. Despite the absence of Pb, the Pb-free copper-based sliding material and sliding parts according to the present invention have improved sliding properties. | 04-26-2012 |
| 20140109723 | SINTERED FRICTION MATERIAL FOR HIGH-SPEED RAILWAY - Provided is a sintered friction material exhibiting high braking power, and being excellent in stability of braking power at a high temperature. The sintered friction material of the present invention includes a chemical composition containing: by mass %, Fe of 7.5% or more, Cu of 50% or more, graphite of 5 to 15%, molybdenum disulfide of 0.3 to 7%, and silica of 0.5 to 10%, wherein Fe/Cu is 0.15 to 0.40. | 04-24-2014 |
| 20140352495 | SINTERED ALLOY SUPERIOR IN WEAR RESISTANCE - A sintered bearing has a structure in which Ni—P alloy particles having an average diameter of 10 to 100 μm are dispersed in an amount of 1 to 20% by mass in a Cu-based sintered alloy base, a Fe—Cu-based sintered alloy base or a Cu—Ni-based sintered alloy base. The Ni—P alloy particles are derived from a raw material powder comprising 1 to 12% by mass of P; and a remainder composed of Ni and inevitable impurities. The Cu-based sintered alloy base contains no less than 40% by mass of Cu. The Fe—Cu-based sintered alloy base contains no more than 50% by mass of Fe. The Cu—Ni-based sintered alloy base contains 20 to 40% by mass of Ni and 0.1 to 1.0% by mass of P; or contains 10 to 25% by mass of Ni, 10 to 25% by mass of Zn and 0.1 to 1.0% by mass of P. | 12-04-2014 |
| 075232000 | Oxide containing | 15 |
| 20090293672 | CEMENTED CARBIDE - METALLIC ALLOY COMPOSITES - A macroscopic composite sintered powder metal article including a first region including cemented hard particles, for example, cemented carbide. The article includes a second region including one of a metal and a metallic alloy selected from the group consisting of a steel, nickel, a nickel alloy, titanium, a titanium alloy, molybdenum, a molybdenum alloy, cobalt, a cobalt alloy, tungsten, and a tungsten alloy. The first region is metallurgically bonded to the second region, and the second region has a thickness of greater than 100 microns. A method of making a macroscopic composite sintered powder metal article is also disclosed, herein. The method includes co-press and sintering a first metal powder including hard particles and a powder binder and a second metal powder including the metal or metal alloy. | 12-03-2009 |
| 20110132143 | NANOMATRIX POWDER METAL COMPACT - A powder metal compact is disclosed. The powder metal compact includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The compact also includes a plurality of dispersed particles comprising a particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the nanomatrix and a solid-state bond layer extending throughout the nanomatrix between the dispersed particles. The nanomatrix powder metal compacts are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components. | 06-09-2011 |
| 20120079916 | REINFORCED PARTICULATE ALUMINUM METAL MATRIX COMPOSITE FOR BRAKES - The reinforced particulate aluminum metal matrix composite for brakes is used to form a brake component, such as a brake rotor, a brake coupler or the like. The composite is formed from an aluminum metal matrix reinforced with ceramic particulates. The ceramic particulates have a particulate diameter between about 0.1 and 1.0 micrometers and form greater than about 10% by volume of the reinforced particulate aluminum metal matrix composite. | 04-05-2012 |
| 20130025409 | EXTRUDED POWDER METAL COMPACT - A powder metal compact is disclosed. The powder compact includes a substantially elongated cellular nanomatrix comprising a nanomatrix material. The powder compact also includes a plurality of substantially elongated dispersed particles comprising a particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the cellular nanomatrix. The powder compact further includes a bond layer extending throughout the cellular nanomatrix between the dispersed particles, wherein the cellular nanomatrix and the dispersed particles are substantially elongated in a predetermined direction. | 01-31-2013 |
| 20130283973 | CLAYISH COMPOSITION FOR FORMING SINTERED SILVER ALLOY BODY, POWDER FOR CLAYISH COMPOSITION FOR FORMING SINTERED SILVER ALLOY BODY, METHOD FOR MANUFACTURING CLAYISH COMPOSITION FOR FORMING SINTERED SILVER ALLOY BODY, SINTERED SILVER ALLOY BODY, AND METHOD FOR MANUFACTURING SINTERED SILVER ALLOY BODY - A clayish composition for forming a sintered silver alloy body capable of forming a sintered silver alloy body, which is not easily discolored even in the atmosphere and has excellent tensile strength, flexural strength, surface hardness (hereinafter, sometimes collectively referred to as ‘mechanical strength’), elongation or the like, powder for the clayish composition for forming a sintered silver alloy body, a method for manufacturing the clayish composition for forming a sintered silver alloy body, a sintered silver alloy body and a method for manufacturing the sintered silver alloy body. | 10-31-2013 |
| 20140373678 | COMPOSITE MAGNETIC MATERIAL AND METHOD FOR MANUFACTURING SAME - A composite magnetic material contains metal magnetic powder composed of metal magnetic particles, and mica interposed between the metal magnetic particles as an inorganic insulator. The mica has an Fe content of 15 wt % or less per 100 wt % of the mica in terms of Fe | 12-25-2014 |
| 20160001366 | ALUMINUM ALLOY POWDER METAL COMPACT - A powder metal compact is disclosed. The powder metal compact includes a cellular nanomatrix comprising a nanomatrix material. The powder metal compact also includes a plurality of dispersed particles comprising a particle core material that comprises an Al—Cu—Mg, Al—Mn, Al—Si, Al—Mg, Al—Mg—Si, Al—Zn, Al—Zn—Cu, Al—Zn—Mg, Al—Zn—Cr, Al—Zn—Zr, or Al—Sn—Li alloy, or a combination thereof, dispersed in the cellular nanomatrix. | 01-07-2016 |
| 075233000 | With another nonmetal | 2 |
| 20120103135 | NANOMATRIX POWDER METAL COMPOSITE - A powder metal composite is disclosed. The powder metal composite includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The compact also includes a plurality of dispersed particles comprising a particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the nanomatrix, the core material of the dispersed particles comprising a plurality a plurality of distributed carbon nanoparticles, and a bond layer extending throughout the nanomatrix between the dispersed particles. The nanomatrix powder metal composites are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components. | 05-03-2012 |
| 20150107411 | Fe-Based Magnetic Material Sintered Compact - An Fe-based magnetic material sintered compact containing BN, wherein the Fe-based magnetic material sintered compact has an oxygen content of 4000 wtppm or less. The present invention provides a sintered compact which enables the formation of a magnetic thin film in a thermally assisted magnetic recording media, and in which the generation of cracks and chipping is suppressed when the sintered compact is processed into a sputtering target or the like. | 04-23-2015 |
| 075234000 | Oxygen(O) associated with more than one metal | 2 |
| 20090025508 | Superhydrophobic and self-cleaning powders and fabrication method thereof - The invention discloses nano/micron binary structured powders for superhydrophobic, self-cleaning applications. The powders are featured by micron-scale diameter and nano-scale surface roughness. In one embodiment, the average diameter is about 1-25 μm, and the average roughness R | 01-29-2009 |
| 20090211399 | GAS STORAGE MATERIALS, INCLUDING HYDROGEN STORAGE MATERIALS - A material for the storage and release of gases comprises a plurality of hollow elements, each hollow element comprising a porous wall enclosing an interior cavity, the interior cavity including structures of a solid-state storage material. In particular examples, the storage material is a hydrogen storage material such as a solid state hydride. An improved method for forming such materials includes the solution diffusion of a storage material solution through a porous wall of a hollow element into an interior cavity. | 08-27-2009 |
| 075235000 | Oxide of Aluminum(Al), Beryllium(Be), Magnesium(Mg), Alkaline earth metal, Scandium(Sc), Yttrium(Y), Lanthanide metal, Actinide metal, Titanium (Ti), Zirconium(Zr), or Hafnium(Hf) | 4 |
| 20120304821 | HARD PARTICLES FOR BLENDING IN SINTERED ALLOY, WEAR-RESISTANT IRON-BASED SINTERED ALLOY CONTAINING HARD PARTICLES, VALVE SEAT FORMED OF SINTERED ALLOY, AND PROCESS FOR MANUFACTURING HARD PARTICLES - Hard particles for blending as a starting material in a sintered alloy contain 20 to 40 mass % of molybdenum, 0.5 to 1.0 mass % of carbon, 5 to 30 mass % of nickel, 1 to 10 mass % of manganese, 1 to 10 mass % of chromium, 5 to 30 mass % of cobalt, 0.05 to 2 mass % of yttrium, and the balance being inadvertent impurities and iron. | 12-06-2012 |
| 20130133482 | Composite Metal - A metal composite comprising a milled and compacted mixture of powdered aluminium or aluminium alloy and ceramic particles, wherein, on loading of the aluminium with the ceramic particles, the ceramic particles are of an average size of between 0.85 μm and 0.6 μm. | 05-30-2013 |
| 20140238191 | MAGNESIUM-BASED ALLOY POWDER AND MAGNESIUM-BASED ALLOY MOLDED ARTICLE - A magnesium-based alloy powder is provided that comprises a magnesium-based alloy containing 0.2 mass % to 5 mass % of calcium. The magnesium-based alloy powder has an average particle diameter of 100 μm to 1,500 μm. The mean value of hardness variation index values obtained by dividing the difference of the maximum value and the minimum value of micro Vickers hardnesses taken at 10 measurement points in a particle cross section by the maximum value is 0.3 or less. The magnesium-based alloy powder has a particle surface coated with a calcium oxide-containing coating layer. | 08-28-2014 |
| 20140373679 | Passivation and alloying element retention in gas atomized powders - A method for gas atomization of a titanium alloy, nickel alloy, or other alumina (Al | 12-25-2014 |
| 075236000 | Carbide containing | 23 |
| 20100180725 | ELECTRODE FOR DISCHARGE SURFACE TREATMENT, MANUFACTURING METHOD AND EVALUATION METHOD FOR ELECTRODE FOR DISCHARGE SURFACE TREATMENT, DISCHARGE SURFACE TREATMENT APPARATUS, AND DISCHARGE SURFACE TREATMENT METHOD - An electrode is used to perform discharge surface treatment of a work piece. The electrode is made of a green compact obtained by compression-molding an electrode material including powder of any of a metal, a metallic compound, and ceramics. The discharge surface treatment includes generating an electric discharge between the electrode and the work piece in an atmosphere of a machining medium and forming a film consisting of a machining material on a surface of a work piece using energy produced by the electric discharge. The powder has an average particle diameter of 5 micrometer to 10 micrometers, and contains 40 volume percent or more of a component not forming or less easily forming carbide as a component for forming the film on the work piece. The electrode has a hardness in a range of B to 8B tested with a pencil scratch test for a coating film. | 07-22-2010 |
| 20120210822 | CEMENTED CARBIDE AND PROCESS FOR PRODUCING SAME - The present invention relates to a cemented carbide comprising WC grains, 3-20 wt. % binder selected from Co or Co and Ni and grain growth inhibitors wherein the WC mean grain size lies in the range of 180 nm and 230 nm, at least 10±2% WC grains are finer than 50 nm and 7±2% WC grains have a size from 50 to 100 nm. The invention further relates to a process for production the cemented carbide including the stages of milling WC powder with specific surface area (BET) of 3.0 m | 08-23-2012 |
| 20150299827 | LOW CARBON STEEL AND CEMENTED CARBIDE WEAR PART - The present disclosure relates to a wear part having high wear resistance and strength and a method of making the same. The wear part is composed of a compound body of cemented carbide particles cast with a low-carbon steel alloy. The low-carbon steel alloy has a carbon content corresponding to a carbon equivalent Ceq=wt % C+0.3(wt % Si+wt % P) of about 0.1 to about 1.5 weight %. The wear part could include a body with a plurality of inserts of cemented carbide particles cast into a low-carbon steel alloy disposed in the body. Each of the plurality of cemented carbide inserts are coated with at least one layer of oxidation protection/chemical resistant material. The plurality of inserts are directly fixed onto a mold corresponding to the shape of the wear part. The cemented carbide inserts are then encapsulated with the molten low-carbon steel alloy to cast the cemented carbide inserts with the low-carbon steel alloy. | 10-22-2015 |
| 075237000 | With another nonmetal | 10 |
| 20110146448 | SINTERED VALVE GUIDE AND PRODUCTION METHOD THEREFOR - A sintered valve guide exhibits a metallic structure having a mixed structure and a hard phase in which hard particles are dispersed in an alloy matrix. The mixed structure consists of pearlite, an Fe—P—C ternary eutectic phase, a ferrite phase, a copper phase, and pores, and the mixed structure consists of, by mass %, 0.075 to 0.525% of P, 3.0 to 10.0% of Cu, 1.0 to 3.0% of C, and the balance of Fe and inevitable impurities. The hard phase is dispersed at 2 to 15 mass % in the mixed structure. | 06-23-2011 |
| 20160102389 | PELLETIZED COMPOSITION FOR MOLTEN METAL DE-OXIDATION - One aspect of the present invention relates to compositions of a pelletized form which are well suited for use as inoculants in the manufacture or casting of molten metals. A further aspect of the invention relates to a method of making such pelletized compositions from waste materials which bear silicon carbide or both silicon carbide and silicon. | 04-14-2016 |
| 075238000 | Nonmetal is Boron(B) or Nitrogen(N) | 8 |
| 20080257107 | Compositions of Hardmetal Materials with Novel Binders - Hardmetal compositions each including hard particles having a first material and a binder matrix having a second, different material comprising rhenium or a Ni-based superalloy. A two-step sintering process may be used to fabricate such hardmetals at relatively low sintering temperatures in the solid-state phase to produce substantially fully-densified hardmetals. | 10-23-2008 |
| 20080264203 | Cutting tool insert - The present invention relates to a cutting tool insert preferably for machining of hardened steel, hot and cold working tool steel, die steel, case hardened steel, high speed steel and ductile grey cast iron and composed of a composite comprising from about 30 to less than about 60 vol-% of a cBN-phase and a binder phase comprising a titaniumcarbonitride phase and a TiB | 10-30-2008 |
| 20080314199 | Enhanced Alloy Recovery In Molten Steel Baths Utilizing Cored Wires Doped With Deoxidants - The present invention provides increased recovery in additive-enhanced or alloy-enhanced molten steel. This is accomplished by deoxidizing powders blended with the additive alloys. The deoxidizing powder reacts with the oxygen, thereby depleting the oxygen in this region. The alloy or additive region is enriched, thereby improving the recovery in the molten steel. | 12-25-2008 |
| 20090049953 | CERMET INSERT AND CUTTING TOOL - A cermet insert having a structure composed of a hard phase and a binding phase and, as a sintered body composition, containing Ti, Nb and/or Ta, and W in a total amount of Ti in terms of carbonitride, Nb and/or Ta in terms of carbide and W in terms of carbide of 70 to 95 wt. % of an entirety of the microstructure, and containing W in terms of carbide in an amount of 15 to 35 wt. % of the entirety of the microstructure, the sintered body composition further containing Co and/or Ni. The hard phase has one or two or more of the phases: ( | 02-26-2009 |
| 20090133534 | SOLID-SOLUTION POWDER, METHOD TO PREPARE THE SOLID-SOLUTION POWDER, CERMET POWDER INCLUDING THE SOLID-SOLUTION POWDER, METHOD TO PREPARE THE CERMET POWDER, CERMET USING THE CERMET POWDER AND METHOD TO PREPARE THE CERMET - Disclosed are a solid-solution powder, a method for preparing the solid-solution powder, a cermet powder including the solid-solution powder, a method for preparing the cermet powder, a cermet using the cermet powder and a method to prepare the cermet. According to the present invention, the problem of low toughness due to high hardness that conventional cermets (especially TiC or Ti(CN) based cermet) have is resolved because a complete solid-solution phase without core/rim structure is provided to the cermets as a microstructure thereof, and in which further increased the hardness as well as the toughness, thereby substantially and considerably increasing general mechanical properties of materials using the cermet, and thus substituting WC—Co hard material and allowing manufacturing of cutting tools with high hardness and toughness. | 05-28-2009 |
| 20100089203 | Ti-based Cermet - A Ti-based cermet | 04-15-2010 |
| 20130087019 | MATERIAL FOR DECORATIVE PARTS - A lightweight material for decorative parts having a silver metallic color tone is provided. The material includes a sintered body including a main hard phase composed of a solid solution formed of titanium carbonitride and titanium carbide; a main binder phase composed of nickel; a first additive material composed of at least one selected from the group consisting of molybdenum carbide, niobium carbide, tungsten carbide, and tantalum carbide; a second additive material composed of at least one of chromium and chromium carbide; and the balance being incidental impurities. The N content in the sintered body is 2.0% to 6.0% by mass. The color tone of the sintered body satisfies L*=9 to 14, a*=−2 to 3, and b*=−6 to 0, which are values of the L*a*b* color system measured with a spectrophotometric colorimeter. | 04-11-2013 |
| 20140174255 | HARD-FACED ARTICLE - A hard-faced article includes a wear-resistance element that has a precipitated hard phase and a non-precipitated hard phase that is different from the precipitated hard phase in composition. The precipitated hard phase and the non-precipitated hard phase are dispersed through a boron-containing metallic matrix. The precipitated hard phase includes a boride material. The wear-resistance element can include, by weight, less than 50% of the non-precipitated hard phase. The wear-resistance element can also include boron, carbon, chromium and silicon such that, by weight exclusive of the non-precipitated hard phase, a product of the amounts of boron, carbon, chromium and silicon is greater than 28 and less than 350 and the amount of chromium by weight is less than 15%. A method includes forming the wear-resistance element with the precipitated hard phase and the non-precipitated hard phase dispersed through the boron-containing metallic matrix. | 06-26-2014 |
| 075239000 | Carbide only of Vanadium(V), Niobium(Nb) or Columbium(Cb), or Tantalum(Ta) | 3 |
| 20140345423 | CARBIDE PELLETS FOR WEAR RESISTANT APPLICATIONS - Carbide pellets including relatively small amounts of metallic binder are produced by steps of pressing, comminuting, shaping and sintering. The carbide pellets may be used as wear resistant hard facing materials that are applied to various types of tools. The carbide pellets provide improved mechanical properties such as hardness and abrasiveness while maintaining required levels of toughness and strength. | 11-27-2014 |
| 20150143953 | REFRACTORY METAL MATRIX-CERAMIC COMPOUND MULTI-COMPONENT COMPOSITE MATERIAL WITH SUPER-HIGH MELTING POINT - A refractory metal matrix-ceramic compound multi-component composite material with the super-high melting point is disclosed. At least one ceramic compound A and at least one refractory bonding metal B are fused together by the smelting process to make the multi-component composite material. The fused ingredients of the multi-component composite material are mAnB, and (m+n) | 05-28-2015 |
| 20160145723 | FUSION CARBIDE OF REFRACTORY METAL CEMENTING - Fusion carbide of a refractory metal cementing is disclosed, which includes at least four strengthening compound phases and at least one refractory metal cementing phase. The strengthening compound phases and the refractory metal cementing phase are combined by a fusion method, for manufacturing the refractory metal cementing fusion carbide. By using the fusion method, the problems of low density and high cost in the conventional sintering method for combining the strengthening phase and the cementing phase can be solved, and composite material with high hardness, high melting point, and high toughness can be manufactured. Moreover, comparing with the conventional sintered cermet composite material, the refractory metal cementing fusion carbide has the advantages including rapid and convenient manufacturing, with desired density, and hardness and toughness. | 05-26-2016 |
| 075240000 | Carbide only of Chromium(Cr), Molybdenum(Mo), or Tungsten(W) | 6 |
| 20080276757 | EROSION-CORROSION RESISTANT CARBIDE CERMETS FOR LONG TERM HIGH TEMPERATURE SERVICE - Cermets are provided in which the ceramic phase is selected from the group consisting of Cr | 11-13-2008 |
| 20090260482 | MATERIALS FOR ENHANCING THE DURABILITY OF EARTH-BORING BITS, AND METHODS OF FORMING SUCH MATERIALS - An earth-boring drill bit having a bit body with a cutting component formed from a tungsten carbide composite material is disclosed. The composite material includes a binder and tungsten carbide crystals comprising sintered pellets. The composite material may be used as a hardfacing on the body and/or cutting elements, or be used to form portions or all of the body and cutting elements. The pellets may be formed with a single mode or multi-modal size distribution of the crystals. | 10-22-2009 |
| 20100101368 | FUNCTIONALLY GRADED CEMENTED TUNGSTEN CARBIDE WITH ENGINEERED HARD SURFACE AND THE METHOD FOR MAKING THE SAME - A method for manufacturing functionally graded cemented tungsten carbide with hard and wear-resistant surface and tough core is described. The said functionally graded cemented tungsten carbide (WC—Co) has a surface layer having a reduced amount of cobalt. Such a hard surface and tough core structure is an example of functionally graded materials in which mechanical properties are optimized by the unique combination of wear-resistance and toughness. WC—Co with reduced-cobalt surface layer may be fabricated through a carburization heat treatment process following conventional liquid phase sintering. The graded WC—Co thus obtained contains no brittle η phase. | 04-29-2010 |
| 20100206129 | METALLURGICAL POWDER COMPOSITION AND METHOD OF PRODUCTION - An annealed pre-alloyed water atomised iron-based powder suitable for the production of pressed and sintered components having high wear resistance is provided. The iron-based powder comprises 10-below 18% by weight of Cr, 0.5-5% by weight of each of at least one of Mo, W, V and Nb, and 0.5-2%, preferably 0.7-2% and most preferably 1-2% by weight of C. The powder has a matrix comprising less than 10% by weight of Cr, and comprises large M | 08-19-2010 |
| 20130036866 | Cermet and Coated Cermet - A cermet has a first hard phase of a complex carbonitride solid solution, a second hard phase of WC, and a binder phase mainly comprising Co and Ni as main component(s). The first hard phase has a core/rim structure. The core is represented by (Ti | 02-14-2013 |
| 20130118308 | FUNCTIONALLY GRADED CEMENTED TUNGSTEN CARBIDE WITH ENGINEERED HARD SURFACE AND THE METHOD FOR MAKING THE SAME - A functionally graded cemented tungsten carbide material produced via heat treating a sintered cemented tungsten carbide is disclosed and described. The heat treating process comprises at least a step that heats the sintered material to the multi-phase temperature range in which multiple phases including solid tungsten carbide, liquid metal binder, and solid metal binder coexist. Additionally, the material, after the heat treating process comprises a surface layer with lower metal binder content than the nominal value of metal binder content of the bulk of the material. The material is used to make tools for rock drilling, machining of metal alloys, and machining of non-metallic materials. The material can also be used to make engineered wear parts that are used in mechanical systems and applications where wear resistance is required or desired. | 05-16-2013 |
| 075241000 | Carbon(C) associated with more than one metal | 1 |
| 075242000 | Free metal is Iron(Fe), Cobalt(Co), or Nickel(Ni) only | 1 |
| 20080314200 | FINE GRAINED CEMENTED CARBIDE WITH REFINED STRUCTURE - The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained. | 12-25-2008 |
| 075243000 | Nonmetal is elemental Carbon(C) only | 9 |
| 20090007725 | Mixed Powder For Powder Metallurgy, Green Compact Thereof, and Sintered Body - The present invention relates to a mixed powder for powder metallurgy containing an iron-base powder and a carbon supply component, in which the carbon supply component contains a graphite powder and a carbon black, and in which a mixing ratio of the graphite powder to the carbon black is in the range of 25 to 85 parts by weight to 75 to 15 parts by weight; and a mixed powder for powder metallurgy containing an iron-base powder and a carbon supply component, in which the carbon supply component contains, as a main component, a carbon black having a dibutyl phthalate absorption of 60 mL/100 g or less and a nitrogen absorption specific surface area of 50 m | 01-08-2009 |
| 20090013823 | USE OF ALUMINA-CARBON AGGLOMERATES IN THE CARBOTHERMIC PRODUCTION OF ALUMINUM - An agglomerate comprising alumina, carbon, and a binder for use in a vapor recovery reactor of a carbothermic alumina reduction furnace is disclosed. A method for using alumina-carbon agglomerates to capture aluminum vapor species and utilize waste heat from off-gases in a vapor recovery reactor to form a recyclable material is also disclosed. | 01-15-2009 |
| 20090165595 | Hard-particle powder for sintered body and sintered body - The invention provides a hard-particle powder for sintered body, which contains, by mass %, 2% to 3.5% of Si, 6% to 10% of Cr, 20% to 35% of Mo, 0.01% to 0.5% of REM, and the remainder being Co and unavoidable impurities. The invention further provides a sintered body obtained through a mixing step of mixing the above-mentioned hard-particle powder for sintered body with a pure iron powder and a graphite powder to obtain a powder mixture, a forming step of compacting the powder mixture to obtain a compact, and a sintering step of sintering the compact. The hard-particle powder according to the invention has the effect of giving a sintered body having improved wear resistance without substantially impairing powder characteristics and sintering characteristics. Additionally, the sintered body according to the invention has the effect of having excellent wear resistance. | 07-02-2009 |
| 20100116088 | HIGH-STRENGTH COMPOSITION IRON POWDER AND SINTERED PART MADE THEREFROM - A high-strength composition iron powder is prepared by mixing an iron base powder with 0.5 to 3.0 mass % of an Fe—Mn powder having a particle diameter of 45 μm or less and a Mn content in the range of 60 to 90 mass %, 1.0 to 3.0 mass % of a Cu powder, 0.3 to 1.0 mass % of a graphite powder, and 0.4 to 1.2 mass % of a powder lubricant for die-forming while adjusting the ratio of the amount of Mn contained in the Fe—Mn powder to the amount of the Cu powder in the range of 0.1 to 1. The high-strength composition iron powder is press-formed and sintered at a temperature equal to or higher than the melting point of Cu to produce a high-strength sintered part having a tensile strength of 580 MPa or higher without using expensive alloying elements such as Ni and Mo. | 05-13-2010 |
| 20110000336 | HIGHLY HEAT-CONDUCTIVE COMPOSITE MATERIAL - The heat conductivity of an aluminum composite material containing a fibrous carbon material is enhanced. In order to realize this, a spark plasma sintered body having a fibrous carbon material compounded in a metal matrix powder of aluminum or the like is fabricated. At the time of fabrication, an aluminum powder serving as a matrix mother material is compounded with an Al alloy powder such as an Al-12Si powder having a melting point lower than the sintering temperature of the mother material. During the process of sintering the aluminum powder, the Al alloy powder is melted, whereby the heat conductivity between the aluminum powder particles and between the aluminum powder particle and the fibrous carbon material is improved. | 01-06-2011 |
| 20110252922 | METHOD OF PRODUCING A DIFFUSION ALLOYED IRON OR IRON-BASED POWDER, A DIFFUSION ALLOYED POWDER, A COMPOSITION INCLUDING THE DIFFUSION ALLOYED POWDER, AND A COMPACTED AND SINTERED PART PRODUCED FROM THE COMPOSITION - A method is provided for producing a diffusion alloyed powder consisting of an iron or iron-based core powder having particles of an alloying powder containing Cu and Ni bonded to the surface of the core particles, comprising providing a unitary alloying powder capable of forming particles of a Cu and Ni containing alloy, mixing the unitary alloying powder with the core powder, and heating the mixed powders in a non-oxidizing or reducing atmosphere to a temperature of 500-1000° C. during a period of 10-120 minutes to convert the alloying powder into a Cu and Ni containing alloy, so as to diffusion bond particles of the Cu and Ni alloy to the surface of the iron or iron-based core powder. The alloying powder may be a Cu and Ni alloy, oxide, carbonate or other suitable compound that on heating will form a Cu and Ni alloy. Preferably, the total content of Cu and Ni is at most 20 wt %, the particle size distribution of the Cu and Ni alloying powder is such that D | 10-20-2011 |
| 20110314965 | METAL POWDER FOR POWDER METALLURGY AND SINTERED BODY - There is provided a metal powder for powder metallurgy including Zr and Si in a manner such that following conditions of (A) and (B) are satisfied, wherein a remainder thereof includes at least one element selected from the group consisting of Fe, Co and Ni, (A) the mass ratio of a content of Zr to a content of Si is 0.03 to 0.3, and (B) the content of Si is 0.35 to 1.5% by mass. | 12-29-2011 |
| 20120024109 | NANOMATRIX METAL COMPOSITE - A powder metal composite is disclosed. The powder metal composite includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The composite also includes a plurality of dispersed first particles each comprising a first particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the nanomatrix; a plurality of dispersed second particles intermixed with the dispersed first particles, each comprising a second particle core material that comprises a carbon nanoparticle; and a solid-state bond layer extending throughout the nanomatrix between the dispersed first and second particles. The nanomatrix powder metal composites are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components. | 02-02-2012 |
| 20130091986 | HARD PHASE FORMING ALLOY POWDER, WEAR RESISTANT SINTERED ALLOY, AND PRODUCTION METHOD FOR WEAR RESISTANT SINTERED ALLOY - A hard phase forming alloy powder, for forming a hard phase dispersed in a sintered alloy, consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities. A production method, for a wear resistant sintered alloy, includes preparing a matrix forming powder, the hard phase forming alloy powder, and a graphite powder. The production method further includes mixing 15 to 45% of the hard phase forming alloy powder and 0.5 to 1.5% of the graphite powder with the matrix forming powder into a raw powder. The production method further includes compacting the raw powder into a green compact having a predetermined shape and includes sintering the green compact. A wear resistant sintered alloy exhibits a metallic structure in which 15 to 45% of a hard phase is dispersed in a matrix. The hard phase consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities. | 04-18-2013 |
| 075244000 | Containing Boron(B) or Nitrogen(N) | 3 |
| 20120204677 | SINTERED SLIDING MEMBER - There is provided a novel sintered sliding member superior in thermal resistance, corrosion resistance and wear resistance. The sintered sliding member of the present invention includes 7.7-30.3% Cu, 2.0-20.0% Sn and 0.3-7.0% boron nitride by mass, with a remainder composed of Ni and unavoidable impurities. The sintered sliding member may further include 0.1-3.0% C or 0.1-0.7% P. A porosity of the sintered sliding member is 5-25%. | 08-16-2012 |
| 20140290434 | Transformation Enabled Nitride Magnets Absent Rare Earths and a Process of Making the Same - A process for producing an ordered martensitic iron nitride powder that is suitable for use as a permanent magnetic material is provided. The process includes fabricating an iron alloy powder having a desired composition and uniformity; nitriding the iron alloy powder by contacting the material with a nitrogen source in a fluidized bed reactor to produce a nitride iron powder; transforming the nitride iron powder to a disordered martensitic phase; annealing the disordered martensitic phase to an ordered martensitic phase; and separating the ordered martensitic phase from the iron nitride powder to yield an ordered martensitic iron nitride powder. | 10-02-2014 |
| 20150332823 | SOFT MAGNETIC METAL POWDER AND SOFT MAGNETIC METAL POWDER CORE USING THE SAME - The present invention relates to a soft magnetic metal powder having iron as the main component and containing boron, wherein, the content of iron inside the soft magnetic metal powder is 98 mass % or more, the content of boron in the particle of the soft magnetic metal powder is 10 to 150 ppm, and the metal particle has a film of boron nitride on the surface. The present invention also relates to a soft magnetic metal powder core prepared by using the soft magnetic metal powder. | 11-19-2015 |
