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| Number | Title | Issue Date |
| 7578866 | Iron-based sintered alloy having excellent machinability This iron-based sintered alloy contains 0.05 to 3% by mass of calcium carbonate or 0.05 to 3% by mass of strontium carbonate. As a result, an iron-based sintered alloy having excellent machinability is obtained. ... | 08/25/2009 |
| 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 can be produced in a process in which (i) an oxidic mate... | 03/31/2009 |
| 7442225 | High strength high toughness Mo alloy worked material and method for production thereof The present invention provides a worked molybdenum-alloy material that can be used at higher temperatures than at least temperatures at which known TZM alloys are used. A worked molybdenum-alloy material having high strength and high toughness includes at lea... | 10/28/2008 |
| 7329384 | Porous metal based composite material A porous composite material includes a metal material for forming a matrix, and at least two kinds of fine particle materials having different wettabilities with respect to the metal material. The porous composite material is provided by melting and impregnating the... | 02/12/2008 |
| 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 thereof) by substituting the transition metals for iron or cobalt to f... | 02/05/2008 |
| 7316724 | Multi-scale cermets for high temperature erosion-corrosion service A cermet composition represented by the formula (PQ)(RS)X comprising: a ceramic phase (PQ), a binder phase (RS) and X wherein X is at least one member selected from the group consisting of an oxide dispersoid E, an intermetallic compound F and a derivative compound ... | 01/08/2008 |
| 7288133 | Three-phase nanocomposite A three-phase nanocomposite that comprises about 0.5 to 10 vol % nano-scale aluminum oxide particles and about 1 to 45% high modulus ceramic particles and an aluminum alloy matrix. The nano phase is to enhance nanocomposite strength and the modulus phase is to enhan... | 10/30/2007 |
| 7220397 | Modified oxygen reduced valve metal oxides Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process... | 05/22/2007 |
| 7160627 | Boron containing ceramic-aluminum metal composite and method to form the composite A boron containing ceramic-aluminum metal composite is formed by mixing a boron containing ceramic with a metal powder comprised of aluminum or alloy thereof, shaping the mixture into a porous preform, contacting the preform with an infiltrating metal comprised of a... | 01/09/2007 |
| 7156893 | Method of making niobium and other metal powders Methods of forming niobium powders and other metal powders are described. The method involves milling the metal powders at elevated temperatures and in the presence of at least one liquid solvent. The methods of the present invention have the ability to reduce DC le... | 01/02/2007 |
| 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 formula (I): R2O3 (I) | 12/12/2006 |
| 7131768 | Extended temperature range EMF device A sensor and method of manufacturing an extended temperature range EMF sensor that is cost effective and highly reliable, with a stable EMF output and with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable dispersio... | 11/07/2006 |
| 7087202 | Particulate reinforced aluminum composites, their components and the near net shape forming process of the components This invention concerns particulate reinforced Al-based composites, and the near net shape forming process of their components. The average size of the reinforced particle in the invented composites is 0.1–3.5 μm and the volume percentage is 10–40%, and a good ... | 08/08/2006 |
| 7076972 | Tungsten carbide-based annular jewelry article Wear resistant jewelry apparatus and method of making same wherein articles of jewelry are made from sinterable metal and/or ceramic powder materials compressed into a predetermined configuration and then sintered to form a blank from which a jewelry item may be mad... | 07/18/2006 |
| 7037464 | Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof In an oxide dispersion strengthened martensitic steel which comprises, by % by weight, 0.05 to 0.25% C, 8.0 to 12.0% Cr, 0.1 to 4.0% W, 0.1 to 1.0% Ti, 0.1 to 0.5% Y2O3 with the balance being Fe and unavoidable impurities and in which Y2 | 05/02/2006 |
| 7014915 | Controlled binary macrosegregated powder particles, their uses, and preparation methods therefor A material has a mass of powder particles. The mass of powder particles includes controlled binary macrosegregated powder particles made of at least two constituent elements. Each controlled binary macrosegregated powder particle has a chemically binary structure wh... | 03/21/2006 |
| 7014881 | Synthesis of multi-element oxides useful for inert anode applications An inert anode 50, for use in an electrolytic cell 12 for producing metals such as aluminum, is made by providing chemical source materials 100 such as at least two of metal salts, metal particles, or metal oxides and dissolving them to form a s... | 03/21/2006 |
| 7001671 | Kinetic sprayed electrical contacts on conductive substrates The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form... | 02/21/2006 |
| 6998173 | Cemented carbide tool and method of making A coated cemented carbide tool, and a method for making the same, wherein the as-sintered substrate is formed by sintering in an atmosphere having at least a partial pressure and for a part of the time a nitrogen partial pressure. ... | 02/14/2006 |
| 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 earth oxide being represented by the following general formula (I): | 01/10/2006 |
| 6913843 | Cemented carbide with binder phase enriched surface zone A cutting tool insert has a cemented carbide substrate and a coating. The cemented carbide substrate includes 73-93 wt % WC, 4-12 wt % binder phase, and cubic carbide phase with a binder phase enriched surface zone essentially free of cubic carbide phase. The cubic ... | 07/05/2005 |
| 6821312 | Cermet inert anode materials and method of making same A method of making cermet inert anodes for the electrolytic production of metals such as aluminum is disclosed. The method includes the step of spray drying a slurry comprising ceramic phase particles and metal phase particles. The resultant spray dried powder, whic... | 11/23/2004 |
| 6736909 | Bulk exchange-spring magnet, device using the same, and method of producing the same A bulk exchange-spring magnet 12, a method of producing the same, and a device 20 incorporating the bulk exchange-spring magnet are disclosed. The magnet includes magnet powders 10 having hard and soft phases, and boron and oxygen atoms which co... | 05/18/2004 |
| 6638334 | Sliding contact material comprising Ag-Ni based alloy having Ni metal particles dispersed and clad composite material, and Dc compact motor using the same The present invention is aimed at providing a sliding contact material that has an alloy composition containing no harmful substance like Cd, especially excellent contact resistance properties, electrical functions that are good and is not subject to secu... | 10/28/2003 |
| 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 effective for use as sensors and actuators.... | 03/05/2002 |
| 6342108 | Low core loss, well-bonded soft magnetic stator, rotor, and armature A ferromagnetic powder comprising ferromagnetic particles coated with a material that does not degrade at temperatures above 150° C and permits adjacent particles to strongly bind together after compaction such that parts made from the ferromagnetic powd... | 01/29/2002 |
| 6309620 | Carbonyl iron silicide powder A process for preparing carbonyl iron silicide comprises heat treatment of an iron/silicon mixture comprising a) from 20 to 99.9% by weight of finely divided carbonyl iron and b) from 0.1 to 80% by weight of finely divided silicon powder. Also provided ar... | 10/30/2001 |
| 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 5-25% by volume of LaCrO3 is dispersed at the grai... | 11/21/2000 |
| 6093337 | Material for magnetostrictive sensors and other applications based on ferrite materials 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.... | 07/25/2000 |
| 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 coatings used for protecting the flow parts of the turbines o... | 07/18/2000 |
| 6077327 | Aluminum composite material of low-thermal expansion and high-thermal conductivity and method of producing same There is disclosed a method of producing an aluminum composite material in which the content of silicon carbide can be made higher as compared with conventional methods, and the production cost is low, and the method can be carried out easily. An aluminum... | 06/20/2000 |
| 6074454 | Lead-free frangible bullets and process for making same The invention relates to bullets having increased frangibility (or which can be easily fragmented) and to materials and processes for the manufacture of such bullets. The bullets of the present invention are typically made from copper or copper alloy powd... | 06/13/2000 |
| 6051045 | Metal-matrix composites This invention is directed to metal-matrix composites which include a substantially continuous phase of metal and reinforcing ceramic particulate substantially uniformly dispersed therein and comprising at least two of barium titanium, titanium dioxide, a... | 04/18/2000 |
| 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, graphite and potassium titanate as friction conditioners. The sp... | 12/21/1999 |
| 5997604 | Coating tape Corrosion resistant metal, either platinum or MCrAlY is bonded to a corrosion sensitive metal such as nickel based superalloys by coating the surface with the corrosion resistant metal particles held in a binder and covering this with a metalide generatin... | 12/07/1999 |
| 5972067 | Gradient function material seal cap for discharge lamp bulb A disclosed gradient function material seal cap for discharge lamp bulb is produced by molding and thereafter firing a slurry which contains a plurality of groups of particles having different specific gravities. The plurality of groups of particles inclu... | 10/26/1999 |
| 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. A magnetic raw material for metallic thin film magnetic re... | 07/20/1999 |
| 5866518 | Self-lubricating composite containing chromium oxide A self lubricating, friction and wear reducing composite material useful over a wide temperature range of from cryogenic temperature up to about 900° C. contains 60-80 wt. % of particulate Cr2 O3, dispersed in a metal binder of a me... | 02/02/1999 |
| 5858525 | Synthetic gasket materials for use in high-pressure presses A synthetic gasket material for use in a high-pressure press includes a major proportion of clay mineral powder having sufficient lubricity to flow in a high-pressure press, a minor proportion of at least one hard material powder having a sufficiently gre... | 01/12/1999 |
| 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 property that differs are discussed. Preferably, the cermets furt... | 08/04/1998 |
