| Document |
Document Title |
|
7326360 |
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 thereof) by substituting the transition m...
|
|
7147686 |
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 formula (I):
|
|
6984271 |
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 earth oxide being represented by the foll...
|
|
6808807 |
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 from the group consisting of polyorganos...
|
|
6500225 |
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 atmosphere, wherein the halogen content of t...
|
|
6352649 |
The present invention provides magnetostrictive composites that include an oxide ferrite and metallic binders which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.
|
|
6302939 |
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, lanthanum, cerium, dysprosium and/or praseod...
|
|
6254660 |
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 within its matrix, chromium oxide Cr 2 O 3...
|
|
6150048 |
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 5-25% by volume of LaCrO 3 is dispersed at...
|
|
6093337 |
The present invention provides magnetostrictive compositions that include an oxide ferrite which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.
|
|
6090191 |
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 coatings used for protecting the flow parts...
|
|
6004370 |
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, graphite and potassium titanate as friction co...
|
|
5989673 |
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 manufacture are disclosed. The targets ...
|
|
5935485 |
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 parts by volume of the PZT ceramic, and ...
|
|
5830257 |
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 copper having both good electro-conductiv...
|
|
5824220 |
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 greater than 20 μm and constituted by a m...
|
|
5822674 |
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 wt. % (in relation to the quantity of ti...
|
|
5798468 |
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 indium oxide and bismuth oxide, the remainde...
|
|
5796017 |
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 switches, in particular, substitute materials ...
|
|
5789686 |
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 property that differs are discussed. Preferably...
|
|
5762768 |
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 density and with a sub-stoichiometric oxyge...
|
|
5728638 |
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 metal or metal alloy containing the inert me...
|
|
5610347 |
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 tungsten, molybdenum, vanadium, bismuth, titani...
|
|
5599377 |
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 and WO 3 , about 0.50 to 1.50 wt % of gra...
|
|
5565387 |
Electrical heating elements and related articles having oxidation resistance at high temperatures, produced by a method involving micropyretic synthesis. A composition subjected to micropyretic synthesis comprises a filler material, a re...
|
|
5501728 |
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 composition of the friction material includes a...
|
|
5486229 |
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 by-products obtained at iron factories. Th...
|
|
5486222 |
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. In addition to the required useful life...
|
|
5443615 |
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 mixed raw material obtained in the firs...
|
|
5350628 |
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 made of a second substance which comprises ...
|
|
5312582 |
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 oxide powder is mixed, formed into a desired...
|
|
5308376 |
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 80% by volume of the hard constituents con...
|
|
5266414 |
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 are impregnated with a temporary process ...
|
|
5258052 |
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, preferably 2000 to less than 4000 ppm c...
|
|
5248661 |
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 aluminum (22) enclosed by a metallic sheath (...
|
|
5241745 |
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 are suitable as contact materials for vacu...
|
|
5238886 |
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 ceramic bodies comprises a ceramic produ...
|
|
5238507 |
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 made of a second substance which comprises ...
|
|
5217543 |
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 |
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. 2400° F.) whereby the alloys are useful in...
|
|
5207842 |
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 invention, these materials contain at least 6% by...
|
|
5200392 |
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 utilization in motors, generators, electric...
|
|
5189009 |
A method of preparing a superconducting oxide by combining the metallic elements of the oxide to form an alloy, followed by oxidation of the alloy to form the oxide. Superconducting oxide-metal composites are prepared in which a noble me...
|
|
5173107 |
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 methods of powder metallurgy. In order to c...
|
|
5160366 |
A silver-metal oxide composite material comprising a silver matrix, (a) from 1 to 20% by weight, in terms of elemental metal, of an oxide of at least one element selected from the group consisting of Sn, Cd, Zn and In and, optionally, (b...
|
|
5149361 |
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 greater than 2000 Å dispersed therein...
|
|
5143540 |
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 similar to the starting chemistry and microstr...
|
|
5125990 |
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 fine crystal grains having an average g...
|
|
5114468 |
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 including at least one of Fe, Ni and Co: 0....
|
|
5110688 |
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 self-lubricating bearings, laminated com...
|
