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7635078 Brazing method utilizing metallic porous materials  
This invention relates to a method of brazing while the thickness of the opening between materials being brazed can not be maintained constant or can not be adjusted in the appropriate range. In...
7541561 Process of microwave heating of powder materials  
A process for heating powder materials by microwave radiation so that heating and sintering or melting progressively and directionally occurs within the powder materials. The process generally...
7462217 Method of preparation for the high performance thermoelectric material indium-cobalt-antimony  
The present invention relates to a process for the preparation of thermoelectric compositions of the formula In x CO 4 Sb 12 (0<x<1), with a figure of merit greater than 1.0 and a...
7431981 Polymer composite structure reinforced with shape memory alloy and method of manufacturing same  
A prepreg material infused with a bulk resin, where the bulk resin has shape memory alloy (SMA) particles intermixed in the resin to toughen the material when the material is used in an application...
7361301 System and method for consolidating powders  
This invention relates to a system and method for consolidating particulate material, such as particulate material, in order to achieve at least ninety-five percent (95%) or even ninety-eight...
7326892 Process of microwave brazing with powder materials  
A process for heating a powder material by microwave radiation so that heating of the powder material is selective and sufficient to cause complete melting of the particles. The process entails...
7309374 Diffusion bonded nickel-copper powder metallurgy powder  
In contrast to current industrial practice where alloying powders are added to starting powder metallurgy compositions either as powder mixtures or fully prealloyed powders, the present invention...
7288224 Method of producing a sputtering target  
A sputtering target contains a target material including as constituent elements Ag, In, Te and Sb with the respective atomic percents (atom. %) of α, β, γ and δ thereof being in the...
7255933 Multi-layer sliding part and a method for its manufacture  
A multi-layer sliding part is prepared by a process including mixing 1–50 parts by volume of a Cu-plated solid lubricant powder with 100 parts by volume of a Cu-based alloy powder comprising...
7172725 W-Cu alloy having homogeneous micro-structure and the manufacturing method thereof  
In W—Cu alloy having a homogeneous micro-structure and a fabrication method thereof, the method includes forming mixed powders by mixing tungsten powders with W—Cu composite powders; forming a...
7138019 Method for producing magnetostrictive element and sintering method  
In the step of sintering a compact that is finally to be a magnetostrictive element, when the temperature in a furnace is elevated, the atmosphere in the furnace is evacuated by a vacuum pump to...
6939509 Method for manufacturing metal parts  
The invention relates to a method for producing metal bodies by mixing metal compound particles with a binding agent and compacting them to form shaped parts, whereby the binding agent is...
6755885 Iron powder composition  
A powder composition for warm compaction comprising an iron-based powder and a lubricant powder consisting essentially of an amide described by the following formula D—C m —B—A—B—C m —D...
6733703 Method for controlling the dimensions of bodies made from sinterable materials  
Precise control of the shrinkage upon sintering of bodies made from mixtures of particulate materials and organic binders is achieved through precision pycnometry of the particulate materials and...
6726740 Weakly-magnetic sintered composite-material and a method for production thereof  
A sintered, magnetically soft composite is proposed, especially for use in solenoid valves, and a process for producing such a composite, in which initially a starting mixture from which the...
6682780 Protective system for high temperature metal alloy products  
A method for protecting low-carbon steel and stainless steel from coking and corrosion at elevated temperatures in corrosive environments, such as during ethylene production by pyrolysis of...
6679933 Low resistivity materials with improved wear performance for electrical current transfer and methods for preparing same  
A copper graphite composite material suitable for use in applications such as brushes, switches and contact materials for rail systems and other industrial devices. The composite comprises a copper...
6554609 Nanotechnology for electrical devices  
Nanostructured non-stoichiometric non-equilibrium materials are disclosed. Novel electromagnetic materials and their applications are discussed. More specifically, the specifications teach the use...
6511758 Porous structure body and method of forming it  
A porous structural material having a solid shape with a curved surface of which the dimensional accuracy is high and the uses are wide is produced. The porous structural material is made form...
6447570 Sintered Tantalum and Niobium capacitor pellets doped with Nitrogen, and method of making the same  
A pellet for use in electrolytic capacitors is comprised of a powder selected from one of Tantalum and Niobium. The pellet is porous, free from oxygen, annealed by heat, and diffused with nitrogen...
6436163 Metal filter for high temperature applications  
A porous metal filter possessing enhanced anticorrosive properties is provided including sintered metal particles composed of an alloy composition of iron aluminide having a range in concentration...
6432157 Method for preparing Ag-ZnO electric contact material and electric contact material produced thereby  
An object of the present invention is to provide a method of producing an Ag—ZnO electric contact material which can uniformly disperse ZnO micrograms in Ag; which maintains low contact...
6375709 Lubricant for metallurgical powder compositions  
This invention concerns a lubricant for warm compaction of iron-based metallurgical powder compositions. 50 to 100% by weight of the lubricant is a polyester, aromatic or partly aromatic, which has...
6358298 Iron-graphite composite powders and sintered articles produced therefrom  
An iron-graphite composite powder having a microstructure comprising carbon clusters embedded in a ferrous matrix is disclosed. Also disclosed is a process for preparing the iron-graphite composite...
6350406 METHOD OF MANUFACTURING ANODE UNIT FOR SOLID ELECTROLYTIC CAPACITOR, ANODE UNIT FOR SOLID ELECTROLYTIC CAPACITOR, CONTINUOUS SINTERING APPARATUS, AND METHOD OF MANUFACTURING SECONDARY PARTICLES OF VALVE-ACTION METAL POWDER  
A method of manufacturing a sintered anode unit for a solid electrolytic capacitor is provided. According to this method, a press-molded or compacted pellet of a valve-action metal powder is...
6348080 Steel powder for the preparation of sintered products  
The present invention concerns a method of preparing a sintered product having a tensile strength 750 MPa comprising the steps of compacting a water-atomised, annealed iron-based powder comprising,...
6294130 Method of manufacturing metallic products such as sheet by cold working and flash anealing  
A metallic alloy composition is manufactured into products such as press formed or stamped products or rolled products such as sheet, strip, rod, wire or band by one or more cold working steps with...
6280496 Silicon carbide based composite material and manufacturing method thereof  
A silicon carbide based composite material includes as a first component, a metal mainly consisting of aluminum or copper, and as a second component, particles mainly consisting of silicon carbide...
6264718 Powder metallurgy product and method for manufacturing the same  
A powder metallurgy product which is made from constituent including iron powder. The iron powder includes iron grains which contain machinability improving element in the iron grains. The...
6238614 Selective infiltration manufacturing method and apparatus to fabricate prototypes and moulds by infiltrating molten droplets selectively into layers of powder  
The present invention provides a method, which infiltrates super-heated material between preheated powder particles and therefore minimizes heat deformation and increases measurement accuracy. A...
6214177 Method of producing a silicon/aluminum sputtering target  
A method of producing a silicon aluminum sputtering target is provided. The target is formed from a powder base of between about 80% to about 95% by weight silicon and about 5% to about 20% by...
6126895 Process and apparatus for the preparation of particulate or solid parts  
The present disclosure is directed to a method of converting green particles to form finished particles. The apparatus used for sintering incorporates an elongate hollow tube, an insulative sleeve...
6126894 Method of producing high density sintered articles from iron-silicon alloys  
A method of producing Iron-Silicon high density sintered articles of intricate design comprising: (a) the blending of compressible iron or low-carbon steel powder, silicon alloyed iron or silicon...
6074453 Ultrafine hydrogen storage powders  
A method of making hydrogen storage powder resistant to fracture in service involves forming a melt having the appropriate composition for the hydrogen storage material, such, for example, LaNi 5 ...
6056916 Process for producing a product made of a contact material based on silver, contact material and product made of the contact material  
A process for producing a product made of a contact material. The contact material is formed of a powder mixture containing silver and iron as a main active component. The iron is an iron powder...
6030507 Process for making a crystalline solid-solution powder with low electrical resistance  
A process for making a crystalline solid-solution powder which involves reacting at least two reactants in a plasma arc of a plasma chamber and blast-cooling the resultant product in a high...
6027544 Process for the preparation of an iron-based powder  
The invention concerns a process for producing a low-oxygen, low-carbon iron-based powder. The process comprises the steps of preparing a powder essentially consisting of iron and optionally at...
6010661 Method for producing hydrogen-containing sponge titanium, a hydrogen containing titanium-aluminum-based alloy powder and its method of production, and a titanium-aluminum-based alloy sinter and its method of production  
The methods of the present invention provide efficient mechanical milling or alloying of stock materials of titanium and aluminum in order to increase yield of the titanium stock and reduce cost in...
5993732 Method for manufacturing a rare earth magnetic powder having high magnetic anisotropy  
An R--T--M alloy material, wherein R is at least one rare earth metal including Y, T is Fe or an Fe component partially replaced by Co or Ni, M is B or a B component partially replaced by C as...
5989514 Processing of vanadium oxide particles with heat  
The stoichiometry and/or crystal structure of vanadium oxide particles are altered by heating initial particles of vanadium oxide under mild conditions. The temperature is generally at least about...
5976456 Method for producing aluminum alloy powder compacts  
This invention relates to a method for producing sintered parts of aluminum or aluminum alloy with improved mechanical properties using batch degassing, die compaction and liquid phase sintering....
5963775 Pressure molded powder metal milled tooth rock bit cone  
A milled tooth shaped rotary cone drill bit for drilling oil wells and the like manufactured using a powder metallurgy process in which an alloy powder is pressure molded into the desired bit...
5925404 Manufacturing method of magnetic material for metallic thin film magnetic recording media and metallic thin film magnetic recording medium  
The quantity of impurities in a magnetic material is decreased to produce a magnetic material with good quality, and a decrease in the cost of the magnetic material is realized by desulfurization....
5912429 High temperature thermoelectric material and its production method  
Thermoelectric material for high temperature use made of a sintered body of a relative density of at least 75% consisting mainly of cobalt antimony compounds having an elemental ratio...
5882376 Mechanochemical process for producing fine WC/CO composite powder  
A mechanochemical process for producing fine WC/Co composite powder which is so small in WC grain size and in mean free path, and contains such a uniform distribution of WC and Co that its hard...
5881355 Fabrication method of cathode member and electronic tube equipped therewith  
A method of fabricating a cathode member or pellet is provided, which realizes the sufficiently large increase of the electron emission capability by the current activation process and that...
5855149 Process for producing a cutting die  
A process for producing a cutting die having a metal base which carries a sharpened ridge extending along a predetermined path thereon, in which a supply of powdered metal and a laser beam are...
5856625 Stainless steel powders and articles produced therefrom by powder metallurgy  
Articles produced by a powder metallurgy process involving forming of a shape by compaction followed by sintering without the application of external pressure from a stainless steel alloy powder...
5798468 Sintering material containing silver-tin oxide for electrical contacts and process for its manufacture  
An electrical contact material for switching rated currents between 20 and 100 Ampere having improved operational life made of 3.2 to 19.9 wt-% tin oxide and 0.05 to 0.4 wt-%, in each case, of...
5762768 Target for cathodic sputtering and method for producing the target  
The targets for cathodic sputtering according to this invention are formed of hot-pressed or hot isostatic-pressed indium oxide/tin oxide powder with a minimum density of 95% of the theoretical...
Matches 1 - 50 out of 293 1 2 3 4 5 6 >