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7488443 Electrically conductive cermet and method of making  
An electrically conducting cermet comprises at least one transition metal element dispersed in a matrix of at least one refractory oxide selected from the group consisting of yttria, alumina,...
7186288 Method for fabricating high purity, high density metal matrix composite materials and the product thereof  
A method of production of large Ingots of neutron attenuating composites using a vacuum-bellows system allows for large cross-sectional shapes to be extruded and rolled. This method uses a...
7147686 Rare earth magnet, method for manufacturing the same, and motor using rare earth magnet  
A rare earth magnet comprises rare earth magnet particles and a rare earth oxide being present between the rare earth magnet particles. The rare earth oxide is represented by a following general...
7144642 Permanent magnet and method for preparation thereof  
A ferrite magnet obtained by adding a ferrite having a hexagonal W-type magnetoplumbite structure to a ferrite having a hexagonal M-type magnetoplumbite structure, in which a portion of Sr, Ba, Pb...
7037463 Method for producing a titanium-base alloy having an oxide dispersion therein  
A metallic article is prepared by first furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively containing the constituent elements...
6991686 Method for producing magnetostrictive material  
To provide a method for producing a magnetostrictive material of excellent magnetostrictive characteristics. The method for producing a magnetostrictive material, wherein a mixture composed of...
6984271 Rare earth magnet, process for producing same, and motor using rare earth magnet  
A rare earth magnet to be used in a motor. The rare earth magnet comprises rare earth magnet particles. Additionally, a rare earth oxide is present among the rare earth magnet particles, the rare...
6746545 Preparation of rare earth permanent magnets  
An R—Fe—B permanent magnet wherein R is Nd or a combination of Nd with a rare earth element is prepared by casting an R—Fe—B alloy, crushing the alloy in an oxygen-free atmosphere of argon,...
6554984 Method of manufacturing a gas sensor  
A method of manufacturing a gas sensor, including a substrate electrode layer forming step, and a surface electrode layer forming step. The gas sensor includes first and second processing spaces,...
6551371 Titanium-based composite material, method for producing the same and engine valve  
A titanium-based composite material according to the present invention is characterized in that it comprises: a matrix containing a titanium (Ti) alloy as a major component, and titanium compound...
6368376 Process for making oxide dispersion-strengthened tungsten heavy alloy by mechanical alloying  
Disclosed is a process for making an oxide dispersion-strengthened tungsten heavy alloy by mechanical alloying that includes the steps of: adding 0.1 to 5 wt. % of Y 2 O 3 powder to a mixed powder...
6328817 Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder  
There is provided a powder for permanent magnet comprising needle-like fine particles of Fe or Fe--Co alloy as a base material, a hard magnetic layer and a separation layer of an oxide of rare...
6238454 Isotropic carbon/copper composites  
Heat-dissipating microcircuit substrate, having coefficients of thermal expansion adjusted to match the materials of the microcircuit mounted thereupon, are manufactured by powder metallurgy using...
6218025 Sintering electrode  
6150048 Metallic interconnection material for solid oxide fuel cell and method for preparing the same  
Disclosed are a metallic interconnection material for solid oxide fuel cells and a preparation method thereof. The metallic interconnection material has two fine microstructural phases in which...
6132676 Minimal thermal expansion, high thermal conductivity metal-ceramic matrix composite  
The invention provides techniques for forming composites including XW 2 O 8 , where X=Zr, Hf, or a combination, dispersed within a continuous, metal matrix. A low to zero coefficient of thermal...
5989491 Oxide dispersion strengthened heat resisting powder metallurgy alloy and process for producing the same  
A process for producing an oxide dispersion strengthened heat resisting powder metallurgy alloy, characterized in that (1) zirconium and/or a rare earth element, such as yttrium, cerium, or...
5915160 High strength gold wire for microelectronics miniaturization and method of making the same  
High strength gold wire for use in microelectronics and a method of producing the same are disclosed. In the methods of the present invention, a gold alloy having gold and a dilute rare earth (RE)...
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...
5868876 High-strength, creep-resistant molybdenum alloy and process for producing the same  
A wet-doping process for producing an oxide-dispersion strengthened (ODS), creep-resistant molybdenum alloy is disclosed. The alloy is made by adding nitrate or acetate salts of lanthanum, cerium,...
5815791 Structural element with brazed-on foil made of oxide dispersion-Strengthened sintered iron alloy and process for the manufacture thereof  
A process for manufacturing a structural element with brazed-on, bent or folded metal foil components having a foil thickness of less than 500 μm, made of an ODS sintered ferrous material. The...
5796019 Method of manufacturing an electrically conductive cermet  
A method of manufacturing an electrically conductive cermet that includes less than 35% by volume of a precious metal by mixing a powdered refractory ceramic with the powdered metal, molding the...
5774780 Process for production of a shaped part  
A process for the production of a shaped part which is produced from a high-melting point metal powder with crystalline sinter-activating additives. The process includes the steps of preparing,...
5742891 Tungsten-lanthana alloy wire for a vibration resistant lamp filament  
A wire for fabrication of a vibration resistant filament for an incandescent lamp. The wire includes about 0.05-1.00 weight percent lanthanum oxide dispersed in a tungsten matrix and has a...
5695544 Silicon nitride based sintered product  
A silicon nitride based sintered product having strength at a high temperature is obtained by sintering a mixture. The mixture comprises a silicon powder or a mixture powder of silicon and silicon...
5624542 Enhancement of mechanical properties of ceramic membranes and solid electrolytes  
Enhancement of mechanical properties of ceramic membranes by introduction of a uniformly distributed high-temperature oxidation-resistant metal phase into the brittle ceramic phase to achieve...
5623725 Process for producing very pure platinum materials, semi-finished parts and foils dispersion-reinforced with Y203  
Process for producing very pure platinum materials dispersion-reinforced with Y 2 O 3 and having high strength and extensibility, even in the temperature range >800° C., from platinum powder...
5590386 Method of making an alloy of tungsten and lanthana  
In a method of making alloy of tungsten and lanthana, lanthanum hydroxide is blended with tungsten metal powder, the mixture is pressed to form a pressed ingot, optionally presintered, and sintered...
5574957 Method of encasing a structure in metal  
An improved method is disclosed for encasing an object in a shell or layer of outer material. The encased object and the outer material are formed from sinterable metal or ceramic particulate...
5480728 Low resistance electrical contact for oxide superconductors and a method for making  
A conductive contact for use with metal oxide superconductors is described. The conductive contact comprises a metal contact which is attached by a diffusion bonding means to a superconductive...
5460640 Alumina-rare earth oxide ceramic-metal bodies  
A fully dense ceramic-metal body including 40-88 v/o of an oxide hard phase of, in v/o of the body, 4-88 v/o M-aluminum binary oxides, where the binary oxide has a C-type rare earth, garnet, β-MAl...
5455225 Method of producing a metal superconductive ceramic connection  
A method of producing a high-performance connection between a metal and a solid superconductive ceramic member is effected by introducing into a mold, in juxtaposition, grains or powder of the...
5439499 Cermets based on transition metal borides, their production and use  
A cermet useful in the fabrication of metal cutting, rockdrilling and mineral tools, as well as wear parts. The cermet comprises (i) a hard phase of a simple boride of a transition metal, a mixture...
5427601 Sintered metal bodies and manufacturing method therefor  
A sintered metal body is disclosed of composition consisting essentially of in weight percent about 5 to 40 Cr, about 2 to 30 Al, 0 to about 5 special metal, 0 to about 4 rare earth oxide additive,...
5399312 Method for fabricating high-jc thallium-based superconducting tape  
A process for fabricating Thallium-based superconducting tapes comprising the steps of: (1) preparing a powder mixture having a nominal composition of (Tl 1 -x-y Bi y Pb z )(Ba 2 -z Sr z )Ca 2 Cu...
5374390 Process for producing a layer system for gas sensors  
A process is proposed which serves to produce layer systems for gas sensors, the electrodes essentially being composed of a finely divided ceramic material and finely divided electron-conducting...
5326525 Consolidation of fiber materials with particulate metal aluminide alloys  
A process is disclosed for fabricating a metal aluminide composite which comprises providing a metal aluminide, such as titanium aluminide, or a titanium aluminide alloy, and a reinforcing fiber...
5292478 Copper-molybdenum composite strip  
The present invention relates to a copper-molybdenum composite material having utility in electrical applica- tions and the process for forming the composite material. The composite material is...
5284614 Method of forming fine dispersion of ceria in tungsten  
Doped tungsten powder, or sintered tungsten bodies formed therefrom, having a fine dispersion of oxide particles of at least one metal from the group zirconium, hafnium, lanthanum, yttrium, and...
5273709 High neutron absorbing refractory compositions of matter and methods for their manufacture  
Neutron absorbing refractory B 4 C-Gd and Gd 2 O 3 -Gd cermets, B 4 C-Gd and Gd 2 O 3 -Gd metal-matrix composites, and B 4 C-Gd 2 O 3 ceramic-ceramic composites can be manufactured by...
5262398 Ceramic oxide superconductive composite material  
A ceramic oxide superconductive composite material comprising a ceramic oxide superconductor and a non-superconductive material comprising at least one element which does not react with any of the...
5256368 Pressure-reaction synthesis of titanium composite materials  
A pressure-reaction synthesis process for producing increased stiffness and improved strength-to-weight ratio titanium metal matrix composite materials comprising exothermically reacting a titanium...
5223480 Method of preparation of silver composite high temperature ceramic superconductors by precipitation  
A novel method for forming homogeneous silver high temperature superconductor (HTS) composites. The novel method comprises a chemical coprecipitation of silver, barium, yttrium, and copper salts...
5200392 Composite for making superconducting wires or tapes  
An improved ceramic-plus-metal superconducting composition of YBa 2 Cu 3 O 6 +x plus substantially pure aluminum for ultimate use in making superconducting devices such as wires and tapes for...
5194099 Sinter magnet based on Fe-Nd-B  
A sinter magnet based on Fe-Nd-B with improved coercive field strength and reduced temperature dependency thereof consists of 25 to 50 wt. % Nd, 0.5 to 2 wt. % B, 0 to 5 wt. % Al, 0.5 to 3 wt. % O,...
5145835 Process for fabricating superconducting ceramic materials by HIP treatment  
A process for fabricating worked superconducting ceramic material of a mean grain size not more than 10 um is disclosed, which comprises the steps of: (a) preparing a metal casing containing a...
5118663 Fabrication of silver coated high temperature ceramic superconductor fiber with metal substrate  
A method and apparatus for manufacturing a superconductor wire has a wire take-up spool and a feed speed control spool. A wire substrate is taken from the feed speed control spool and onto the...
5114469 Low-temperature consolidation metal-based compositions and method  
A process for producing high-strength, substantially nonporous alloys by means of a three-component mixture, including admixing a first component of one or more low-melting temperature metals or...
5091020 Method and particle mixture for making rare earth element, iron and boron permanent sintered magnets  
A method for making rare earth element, iron and boron sintered permanent magnets, and a particle mixture for use therein. A hydrided 100% dross or particle mixture of virgin alloy particles and...
5074907 Method for developing enhanced texture in titanium alloys, and articles made thereby  
Enhanced crystallographic texture is developed in an alpha or alpha-beta titanium alloy having a dispersion of particles therein, by heating the alloy to essentially the all beta phase range and...
Matches 1 - 50 out of 185 1 2 3 4 >