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| Number | Title | Issue Date |
| 8141615 | Aluminum engine cylinder liner and method A method has been found for centrifugal casting engine cylinders. A mold is charged with molten aluminum alloy and particulate silicon monoxide having an average size of 0.01 mm to 0.04 mm. The mold is rotated at a velocity and period of time to distribute the parti... | 03/27/2012 |
| 8051892 | Method of manufacturing metal-carbon nanocomposite material A method of manufacturing a metal-carbon nanocomposite material in which aluminum is used as the matrix is disclosed. The manufacturing method comprises mixing a Si-coated carbon nanomaterial (30) and a powdered Mg material (33), heating the mixture to... | 11/08/2011 |
| 8047260 | Infiltration methods for forming drill bits An infiltration method of forming an article including providing a working mold including a solid binder member extending through an interior of the working mold, wherein the solid binder member is made of a binder material, and providing a layer of powder matrix ma... | 11/01/2011 |
| 8016018 | Method of manufacturing a metal matrix composite The present invention relates to a metal matrix composite (MMC) and the method of manufacturing the MMC. The MMC includes a preform formed from a composition having ceramic particles and ceramic fibers. The metal matrix composite also includes a support element form... | 09/13/2011 |
| 7987893 | Methods of forming metal matrix composites and metal matrix composites formed thereby The invention provides a method of forming a metal matrix composite (MMC) comprising a metal matrix and a fibrous material embedded therein, the method comprising bringing the metal matrix into the molten state and contacting the fibrous material with the metal matr... | 08/02/2011 |
| 7987894 | Apparatus for making magnesium-based carbon nanotube composite material and method for making the same An apparatus for fabrication of a magnesium-based carbon nanotube composite material, the apparatus includes a thixomolding machine, and a feeding device. The thixomolding machine includes a heating barrel, a feeding inlet, a nozzle, a heating portion, and a plunger... | 08/02/2011 |
| 7921899 | Method for making magnesium-based carbon nanotube composite material A method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing a magnesium-based melt and a plurality of carbon nanotubes, mixing the carbon nanotubes with the magnesium-based melt to achieve a mixture; (b) injecting t... | 04/12/2011 |
| 7870887 | Solid composition having enhanced physical and electrical properties A method of making a treating wash includes mixing brass granules with acetone, mixing carbon nanotube material, iron pyrite granules and copper granules in the acetone brass mixture, and straining the liquid from the remaining solid material. Methods of treating ma... | 01/18/2011 |
| 7870886 | Solid composition having enhanced physical and electrical properties A method of making a treating wash includes mixing brass granules with acetone, mixing carbon nanotube material, iron pyrite granules and copper granules in the acetone brass mixture, and straining the liquid from the remaining solid material. Methods of treating ma... | 01/18/2011 |
| 7793703 | Method of manufacturing a metal matrix composite The present invention relates to a metal matrix composite (MMC) and the method of manufacturing the MMC. The MMC includes a preform formed from a composition having ceramic particles and ceramic fibers. The metal matrix composite also includes a support element form... | 09/14/2010 |
| 7708050 | Composite material, having high thermal conductivity and low thermal expansion coefficient, and heat-dissipating substrate, and their production methods A composite material having a high thermal conductivity and a small thermal expansion coefficient, which is obtained by impregnating a porous graphitized extrudate with a metal; the composite material having such anisotropy that the thermal conductivity and the ther... | 05/04/2010 |
| 7694713 | Reinforced aluminum alloy and its process of manufacture The present invention relates to a process for hardening an aluminum-based matrix alloy by the dispersion of metallized graphite (MG) with copper and optionally zinc or boron by the agitation in liquid state. By this means, the impregnating of MG particles (reinforc... | 04/13/2010 |
| 7562692 | Aluminum alloy-boron carbide composite material A cast composite material is prepared by furnishing an aluminum-based matrix alloy and forming a mixture of free-flowing boron carbide particles and the aluminum-based matrix alloy in molten form which is stirred to wet the matrix alloy to the boron carbide particle... | 07/21/2009 |
| 7516772 | Method of forming a product of metal-based composite material A forming method wherein a billet (31, 66, 77, 87, 107, 128, 136, 144, 153, 77B, 77C) comprising a metal-based composite material (27) prepared by mixing an aluminum alloy (22) and a ceramic (15) is subjected to pressure forming to... | 04/14/2009 |
| 7513295 | Cast parts with enhanced wear resistance A wear part made in a foundry is provided having a structure reinforced with at least one type of metallic carbide, and/or of metallic nitride, and/or of boride, and/or of metallic oxides, and/or of intermetallic compounds, hereafter called components. The raw mater... | 04/07/2009 |
| 7509993 | Semi-solid forming of metal-matrix nanocomposites A metal matrix nanocomposite is formed by heating a metal above its liquidus temperature, adding nanoparticles, and then agitating the mixture with high-frequency (and preferably ultrasonic) vibration. The mixture can then be cooled below the liquidus of the metal t... | 03/31/2009 |
| 7461684 | Casting process and articles for performing same A method for producing a cast article comprises using a porous powder article as a sacrificial pattern. The porous powder article is preferably made using a rapid prototyping process. The porous powder article is used as a sacrificial pattern for a mold into which a... | 12/09/2008 |
| 7451805 | Pouring apparatus for molten metal and casting method A pouring apparatus for molten metal includes a stirrer installed in a reservoir. The stirrer is rotated by a rotational drive mechanism installed on the reservoir. Molten solder is placed into the reservoir, high melting point metal particles are charged into the m... | 11/18/2008 |
| 7435376 | Composites and method for manufacturing same A composite of a metal matrix with one or more incorporated secondary phases is referred to as a metal matrix composite (MMC). Secondary phase refers to all the particles or fibers which have a different composition than the metal matrix, and which are incorporated ... | 10/14/2008 |
| 7323136 | Containerless mixing of metals and polymers with fullerenes and nanofibers to produce reinforced advanced materials The present invention relates to fullerene, nanotube, or nanofiber filled metals and polymers. This invention stems from a cross-disciplinary combination of electromagnetic and acoustic processing and property enhancement of materials through fullerene or nanofiber ... | 01/29/2008 |
| 7311135 | Process for manufacturing a nanocarbon-metal composite material A composite material composed of nanocarbon materials and metallic materials for a matrix is extrusion molded to have the nanocarbon materials oriented in one direction. ... | 12/25/2007 |
| 7295646 | Method for producing a coating for absorption of neutrons produced in nuclear reactions of radioactive materials The invention relates to a method for producing a coating for absorption of neutrons produced in nuclear reactions of radioactive material which can be applied in an economically feasible and simple manner, increases the effectivity of absorption, enables greater va... | 11/13/2007 |
| 7290586 | Bicontinuous composites A ceramic foam having pores in the range of 20 to 800 microns and 10 to 30 % of theoretical density is placed in a preheated mould and molten metal or plastics is drawn in to form a bicomposite structure. ... | 11/06/2007 |
| 7279230 | Hybrid composite materials A fiber-reinforced metal-ceramic composite material having a hot ceramic side and a cool metal side and a graded ceramic-metal zone therebetween, wherein the ceramic content of said composite ranges from 100% at said hot ceramic side to 0% at said cool metal side an... | 10/09/2007 |
| 7279126 | Method of producing shared articles A novel process for manufacturing of injection molded metal, ceramic, and CERMET parts, in a manner amenable to high-volume, low-cost manufacturing, comprising the steps of forming a mechanical mixture of metal and/or ceramic powders at room temperature, a binder an... | 10/09/2007 |
| 7270167 | Metal impregnated graphite composite tooling A metallic shell used, for example as a mold, is formed by spray deposition of metallic layers over non-metallic layers as, for example, a reinforcing fabric. ... | 09/18/2007 |
| 7252135 | Composite metal material and method of producing the same A method of producing a composite metal material includes: (a) mixing an elastomer and filler particles to obtain a composite material; and (b) mixing the composite material and a metal to obtain a composite metal material in which the filler particles are uniformly... | 08/07/2007 |
| 7238308 | Process for the infiltration of porous carbon composites A process form producing ceramic composites comprising metal carbides, which comprises the steps production of a porous carbon-containing intermediate body, infiltration of the intermediate body with the melt of a carbon-forming metal, reaction of at least part of t... | 07/03/2007 |
| 7198209 | Metal casting molded body comprising a cast-in hard material body A metal casting molded body comprising at least one effective surface for machining or processing a material and formed from a compound material, wherein said compound material comprises at least one porous hard material body in a casting matrix made of a metallic c... | 04/03/2007 |
| 7196417 | Method of manufacturing a low expansion material and semiconductor device using the low expansion material A mold is filled with unsintered SiC particles and a melt of Al or of an Al alloy containing Si is poured into the mold for high pressure casting. Owing to the SiC particles and Si precipitated upon casting, a low expansion material having a low thermal expansion co... | 03/27/2007 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7175686 | Erosion-corrosion resistant nitride cermets The invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Si, Mn, Fe, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and mixture... | 02/13/2007 |
| 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 |
| 7153338 | Advanced erosion resistant oxide cermets One embodiment of the invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Al, Si, Mg, Ca, Y, Fe, Mn, Group IV, Group V... | 12/26/2006 |
| 7141310 | Metal matrix composite structure and method Compound preforms are provided having a first region, including a porous ceramic and a second region including a porous or solid ceramic in which the two regions differ in composition. The compound preform is infiltrated with a liquid metal which is then solidified ... | 11/28/2006 |
| 7134477 | Lightweight part, as well as process and device for its production Process of making a lightweight part comprising an inner core including a metal foam, a dense core surface layer that is metallically joined to the inner core, and an outer wall comprising an essentially pore-free cast metal layer that is at least one of positively ... | 11/14/2006 |
| 7102228 | Semiconductor device A semiconductor device comprising a substrate, a semiconductor element mounted on the substrate, an inner annular stiffener provided on the substrate in an outer side of the semiconductor element, and an outer annular stiffener provided on the substrate in an outer ... | 09/05/2006 |
| 7097431 | Mechanical kinetic vacuum pump A mechanical vacuum pump includes a rotor made of a light metal alloy by powder metallurgy. The powder metallurgy increases the resistance of the rotor to heat and creep. ... | 08/29/2006 |
| 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 |
| 7074253 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is ... | 07/11/2006 |
