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7510591 Catalyst and method for the hydration of carbonyl compounds  
A process for hydrogenating an organic compound which has at least one carbonyl group, in which the organic compound is brought into contact in the presence of hydrogen with a shaped article which...
7326360 Cobalt ferrite based magnetostrictive materials for magnetic stress sensor and actuator applications  
Magnetostrictive material based on cobalt ferrite is described. The cobalt ferrite is substituted with transition metals (such manganese (Mn), chromium (Cr), zinc (Zn) and copper (Cu) or mixtures...
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...
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...
6808807 Coated ferromagnetic particles and composite magnetic articles thereof  
A coated ferromagnetic particle comprises a ferromagnetic core and a coating. The coating comprises a residue resulting from a thermal treatment of a coating material comprising a polymer selected...
6500225 Method for producing high density indium-tin-oxide sintered body  
A method for producing an indium-tin-oxide sintered body comprising the steps of; molding a powder comprising indium, tin and oxygen, and sintering the molded article in oxygen gas-containing...
6352649 Material for magnetostrictive sensors and other applications based on ferrite materials  
The present invention provides magnetostrictive composites that include an oxide ferrite and metallic binders which provides mechanical properties that make the magnetostrictive compositions...
6302939 Rare earth permanent magnet and method for making same  
A rare earth permanent magnet alloy having a composition expressed as R x F 100 -(x+y+z+m+n) B y T z M m D n . In this formula, R is one or more of rare earthy elements, such as neodymium,...
6254660 Corrosion-resistant alloy, preparation process and article made from the alloy  
The invention relates to a Cr 2 O 3 -forming alloy that is resistant to oxidization and/or corrosion at high temperature, especially by glass, characterized in that it contains, in dispersion...
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...
6090191 Compound for producing a metal-ceramic coating  
The invention relates to the field of producing the means for protecting the alloys on the nickel base against the influence of corrosive media, and more particularly concerns the metal-ceramic...
6004370 Sintered friction material  
A sintered friction material especially suitable for use in a braking system has a matrix of a copper-system metal such as copper, tin, nickel and aluminum, and contains a specific additive,...
5989673 Caromium-tantalum oxides (Cr-TaO.sub.x), sputtering targets and thin film seedlayer/sublayers for thin film magnetic recording media  
Chromium-tantalum oxides (Cr-TaO x ), including chromium-tantalum pentoxide (Cr-Ta 2 O 5 ), chromium-tantalum tetrioxide (Cr-Ta 2 O 4 or Cr-TaO 2 ), sputtering targets containing them, and their...
5935485 Piezoelectric material and piezoelectric element  
A piezoelectric material includes a PZT ceramic, and a noble metal component. The noble metal component is added to the PZT ceramic in an amount of 0.35 parts by volume or more with respect to 100...
5830257 Manufacturing method for alumina-dispersed reinforced copper  
A manufacturing method for an alumina-dispersed reinforced copper alloy according to the invention is an improved method which is capable of manufacturing efficiently alumina-dispersed reinforced...
5824220 Inorganic porous support for a filter membrane, and method of manufacture  
The invention relates to an inorganic support obtained by sintering and intended to constitute a support for a filter membrane, the support comprising: an inorganic feedstock having a grain size...
5822674 Electrical contact material and method of making the same  
A material for electric contacts based on silver-tin oxide is obtained by mixing a powder of silver or an alloy mainly containing silver with a powder consisting mainly of tin oxide and 0.01 to 10...
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...
5796017 Silver-based contact material, use of such a contact material, in switchgear for power engineering applications and method of manufacturing the contact material  
Contact material based on silver, use of such a contact material in a switching device in power engineering, and process for preparing the contact material. For contact pieces in low-voltage...
5789686 Composite cermet articles and method of making  
Methods for making, methods for using and articles comprising cermets, preferably cemented carbides and more preferably tungsten carbide, having at least two regions exhibiting at least one...
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...
5728638 Metal/ceramic composites containing inert metals  
The invention is directed to a non-vapor phase process for forming a metal/ceramic composite containing a relatively inert metal such as silver, copper, or nickel by the reaction of a reactive...
5610347 Material for electric contacts taking silver-tin oxide or silver-zinc oxide as basis  
The invention relates to a material for electric contacts taking silver tin-oxide as basis, consisting of silver or mainly silver-containing alloy, tin oxide and other oxides or carbides of...
5599377 Mixed iron powder for powder metallurgy  
A mixed iron powder for powder metallurgy containing less than about 0.1 wt % of Mn, about 0.08 to 0.15 wt % of S, a total of about 0.05 to 0.70 wt % of one or more compounds selected from MoO 3 ...
5565387 Electrical heating element, related composites, and composition and method for producing such products using dieless micropyretic synthesis  
Electrical heating elements and related articles having oxidation resistance at high temperatures, produced by a method involving micropyretic synthesis. A composition subjected to micropyretic...
5501728 Friction material  
The present invention relates to a friction material for use in manufacturing various friction bearing components such as brakes, clutches, couplings, transmission systems and the like. The...
5486222 Sintered composite materials for electric contacts in power technology switching devices and process for producing them  
Contact materials with the composition AgSnO 2 Bi 2 O 3 CuO have proven themselves, particularly for low-voltage switching devices. These materials can contain an additive of other metal oxides....
5486229 Raw material for producing ferrite dust for friction elements and method of reducing the same  
A raw material for producing ferrite dust for friction elements and a method of producing reduced ferrite dust, capable of using, as the raw material, various collected sludge and dust which are...
5443615 Molded ceramic articles  
A method of producing a molded ceramic article comprises the first step mixing powdery raw materials and a liquid additive, thereby obtaining a mixed raw material, the second step press-molding the...
5350628 Magnetic sintered composite material  
A magnetic material is provided which includes a discrete phase including grains made of a first substance which comprises a magnetic metal; and a continuous phase including a thin coating film...
5312582 Porous structures from solid solutions of reduced oxides  
A process for producing porous structures for use in molten carbonate fuel cells in which a powder comprising at least one of a non-alloyed metal powder and a metal oxide powder, and a ceramic...
5308376 Cermet having different types of duplex hard constituents of a core and rim structure in a Co and/or Ni matrix  
A cermet in which the hard constituents are based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and the binder phase is based on Co and/or Ni and possibly small amounts of Al being present. At least...
5266414 Solid solution matrix cathode  
An impregnated thermionic cathode includes a porous matrix of sintered tungsten-alloy particles containing less than six percent iridium and/or other platinum-group metal. The pores of the matrix...
5258052 Powder metallurgy silver-tin oxide electrical contact material  
A powder metallurgy material for use in the manufacture of electrical contacts and having enhanced cold workability consists essentially, by weight percent, of 5 to 20% tin oxide, 2000 to 5000 ppm,...
5248661 Cryoconducting-superconducting composites  
A ductile, high electrical conductivity composite is made, containing alkaline earth metal-copper oxide particles (14), having a gold coating (16), within a skeletal matrix of hyperconducting...
5241745 Process for producing a CUCB contact material for vacuum contactors  
To produce CuCr contact materials, it is known to use purely powder-metallurgical, sinter impregnation and smelt-metallurgical processes. Only materials produced by smelt-metallurgical processes...
5238886 Surface bonding of ceramic bodies  
Ceramic bodies are bonded together via a layer of an oxidation reaction product of a molten metal, which metal is present in one or both of the ceramic bodies prior to bonding. At least one of the...
5238507 Magnetic material  
A magnetic material is provided which includes a discrete phase including grains made of a first substance which comprises a magnetic metal; and a continuous phase including a thin coating film...
5217543 Rare earth-iron magnet  
A rare earth-iron magnet consisting of, by atomic percent, 10 to 16% Nd, 5 to 10% B, 0.1 to 1% V, 0.1 to 1% oxygen and the balance being Fe.
5209772 Dispersion strengthened alloy  
A dispersion-strengthened (DS) alloy, more particularly oxide-dispersion-strengthened (ODS) iron-based alloys which manifest resistant to oxidation at temperatures as high as 1300° C. (approx....
5207842 Material based on silver and tin oxide for the production of electrical contacts; electrical contacts thus produced  
The present invention relates to novel materials based on silver and tin oxide for the production of electrical contacts as well as the electrical contacts thus produced. According to the...
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...
5173107 Composite hard metal body and process for its production  
The invention relates to a composite hard metal body of hard material, a binder and embedded reinforcing material, as well as to a process for the production of the composite hard metal body by...
5149361 Cermet alloy  
A cermet alloy having a structure including a hard phase and a bonding phase which is composed of at least one ferrous metal, said bonding phase containing fine hard grains of a mean grain size not...
5143540 Densification of ceramic-metal composites  
Substantially dense, void-free ceramic-metal composites are prepared from components characterized by chemical incompatibility and non-wetting behavior. The composites have a final chemistry...
5125990 Magnetically anisotropic hot-worked magnet and method of producing same  
A magnetically anisotropic hot-worked magnet made of an R-T-B alloy containing a transition metal T as a main component, a rare earth element R including yttrium, and boron B; the magnet having the...
5114468 Cu-base sintered alloy  
The present invention relates to a Cu-based sintered alloy which has a composition containing: Zn: 10-40%; Al: 0.3%-6% oxygen: 0.03-1%; any one selected, as an additional element from the group...
5110688 Dieless micro-pyretic manufacturing technique for fabricating bearing materials and the bearing materials produced thereby  
The present invention relates to a method of fabricating various types of bearing materials and the bearing materials produced thereby. The processes of the invention may be used to produce porous...
5110349 Cutting insert of sintered hard alloy  
A cutting insert of a sintered carbonitride alloy and with a complicated geometry, the insert having improved efficiency. This is obtained by giving the powder non-uniform compaction during...
5100869 Process for producing metal oxide-type superconductive material  
A metal oxide-type superconductive material is produced by a process which comprises a first step of subjecting a powder raw material containing given proportions of metal elements to be contained...
Matches 1 - 50 out of 224 1 2 3 4 5 >