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| Number | Title | Issue Date |
| 8016957 | Magnesium grain-refining using titanium The grain size of magnesium alloys is effectively refined and made smaller by the addition of a small amount of titanium. The effect of the reduction of grain size is often an improvement in the strength and processability of a cast magnesium alloy. Often less than ... | 09/13/2011 |
| 7942986 | Magnesium alloy A magnesium-based alloy consists of 1.5-4.0% by weight rare earth element(s), 0.3-0.8% by weight zinc, 0.02-0.1% by weight aluminium, and 4-25 ppm beryllium. The alloy optionally contains up to 0.2% by weight zirconium, 0.3% by weight manganese, 0.5% by weight yttri... | 05/17/2011 |
| 7871476 | Magnesium alloy exhibiting high strength and high ductility and method for production thereof A magnesium alloy exhibiting high strength and high ductility, characterized in that it comprises 0.03 to 0.54 atomic % of certain solute atoms belonging to 2 Group, 3 Group or Lanthanoids of the Periodic Table and having an atomic radius larger than that of magnesi... | 01/18/2011 |
| 7682470 | Magnesium alloy A magnesium-based alloy consists of 1.5-4.0% by weight rare earth element(s), 0.3-0.8% by weight zinc, 0.02-0.1% by weight aluminum, and 4-25 ppm beryllium. The alloy optionally contains up to 0.2% by weight zirconium, 0.3% by weight manganese, 0.5% by weight yttriu... | 03/23/2010 |
| 7445681 | Intermetallic compound superconducting material comprising magnesium and beryllium and alloy superconducting material containing the intermetallic compound There are provided an intermetallic-compound superconductor that is high in superconducting transition temperature, and an alloy superconductor that is high in superconducting transition temperature and excels in malleability and ductility, as well as a method of ma... | 11/04/2008 |
| 7368176 | Pre-plating surface treatments for enhanced galvanic-corrosion resistance The invention relates to a method that involves (a) removing graphite from at least one surface of a metal graphite composite material; (b) chemically cleaning or plasma etching the surface of the metal graphite composite material; (c) applying a metal-containing ma... | 05/06/2008 |
| 7311755 | Control of differential strain during heating and cooling of mixed conducting metal oxide membranes Method of operating an oxygen-permeable mixed conducting membrane having an oxidant feed side and a permeate side, which method comprises controlling the differential strain between the oxidant feed side and the permeate side by varying either or both of the oxygen ... | 12/25/2007 |
| 7300547 | Absorbent sheet exhibiting resistance to moisture penetration An absorbent paper sheet is treated with an aqueous wax dispersion such that the sheet includes a fused wax and emulsifier residue in an amount of from about 1 to about 20 weight percent of the sheet based on the combined weight of the fiber, wax residue and an emul... | 11/27/2007 |
| 7284528 | Crank shaft support assembly A crank shaft support assembly for increasing stiffness and reducing thermal mismatch distortion in a crank shaft bore of an engine comprising different materials. A cylinder block comprises a first material and at least two crank journal inserts are insert-molded i... | 10/23/2007 |
| 7247406 | Method for activating metal hydride material A method of activating a hydrogen storage alloy. The method includes the step of contacting the hydrogen storage alloy with an aqueous solution of an alkali metal hydroxide where the concentration of the alkali metal hydroxide is at least about 42 weight percent. Th... | 07/24/2007 |
| 7211541 | Mg—Ni hydrogen storage composite having high storage capacity and excellent room temperature kinetics A hydrogen storage composite material having a Mg—Ni based alloy with a coating of a catalytically active metal deposited on at least a portion of a surface of said Mg—Ni based alloy. The coating is less than about 200 angstroms thick and preferably is formed fr... | 05/01/2007 |
| 7169650 | Semi-solid metal injection methods for electronic assembly thermal interface To accommodate high power densities associated with high performance integrated circuits, an integrated circuit package includes a heat-dissipating structure in which heat is dissipated from a surface of a die to an integrated heat spreader (IHS) through a high capa... | 01/30/2007 |
| 7169240 | Creep resistant magnesium alloys with improved castability A magnesium based alloy containing at least 86 wt % Mg; 4.8 to 9.2 wt % aluminum, 0.08 to 0.38 wt % manganese, 0.00 to 0.9 wt % zinc, 0.2 to 1.2 wt % calcium, 0.05 to 1.4 wt % strontium, and 0.00 to 0.8 wt % rare earth elements. The alloy may also comprise up to 0.0... | 01/30/2007 |
| 7160503 | Metal matrix composites of aluminum, magnesium and titanium using silicon hexaboride, calcium hexaboride, silicon tetraboride, and calcium tetraboride A metal matrix composite was fabricated by adding particles of calcium hexaboride to a metal of aluminum, magnesium or titanium and their alloys. The resulting metal matrix composite is light weight has improved strength, increased elastic modulus and reduced therma... | 01/09/2007 |
| 7153374 | Magnesium alloy A refractory magnesium alloy includes magnesium as a principal ingredient, and an element having a radius 9–14% larger than a magnesium atom and a maximum concentration of 2 mass % or larger in a solid solution with magnesium is mixed in an amount not exceeding a ... | 12/26/2006 |
| 7147728 | Magnesium alloy producing negative potential A type of magnesium alloy that is capable of producing negative potential, characterized in that it contains 8 wt %˜9.1 wt % of aluminum (Al), 0.1 wt %˜1.0 wt % of zinc (Zn), 0.1 wt %˜1.0 wt % of manganese (Mn), 0.05 wt % or less of silicone (Si), 0.002 or less o... | 12/12/2006 |
| 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 |
| 7060120 | Hydrogen absorbing alloy powder and hydrogen storing tank for mounting in a vehicle To produce a hydrogen absorbing alloy powder which is an aggregate of alloy particles each including a metal matrix and added-components, an aggregate of metal matrix particles and an aggregate of added-component particles are used, and mechanical alloying is carrie... | 06/13/2006 |
| 7055732 | Semiconductor processing apparatus including plasma-resistant, welded aluminum structures We have discovered a method of producing a complex-shaped aluminum alloy article, where welding has been employed to form the article, where an anodized aluminum coating is produced over a surface of the article including the weld joint, and where the anodized alumi... | 06/06/2006 |
| 7052526 | Magnesium base composite material and its manufacturing method A magnesium base composite material is provided such that compound particles generated by a solid-phase reaction with magnesium are uniformly dispersed in a magnesium alloy body. The compound particles dispersed in the body comprise magnesium silicide (Mg2 | 05/30/2006 |
| 7048812 | Creep resistant magnesium alloy A magnesium based alloy consists of, by weight: 1.4–1.9% neodymium, 0.8–1.2% rare earth element(s) other than neodymium, 0.4–0.7% zinc, 0.3–1% zirconium, 0–0.3% manganese, and 0–0.1% oxidation inhibiting element(s) the remainder being magnesium except fo... | 05/23/2006 |
| 7041179 | High strength creep resistant magnesium alloys A magnesium based alloy containing at least 85.4 wt % Mg, 4.7 to 7.3 wt % aluminum, 0.17 to 0.60 wt % manganese, 0.0 to 0.8 wt % zinc, 1.8 to 3.2 wt % calcium, 0.3 to 2.2 wt % tin, and 0.0 to 0.5 wt % strontium. The alloy may comprising up to 0.004 wt % iron, up to ... | 05/09/2006 |
| 7029626 | Creep resistant magnesium alloy A die castable magnesium based alloy comprising, by weight, between about 3 and 10% aluminum, between about 0.5 and 2.5% calcium, up to about 1.5% silicon, up to about 0.7% zinc, and the remainder being magnesium. The alloy has been found to exhibit more favorable c... | 04/18/2006 |
| 6913840 | Magnesium alloy molded product and method for manufacturing the same There is provided a magnesium alloy molded product being excellent in corrosion resistance. The magnesium alloy molded product being excellent in corrosion resistance and capable of being easily recycled is manufactured by forming an aluminum layer on a surface of a... | 07/05/2005 |
| 6905306 | Mechanical kinetic vacuum pump with rotor and shaft A mechanical kinetic vacuum pump with a stator (1), a rotor (6, 7) made from an aluminum or magnesium alloy and a rotor (6, 7) and a bearing shaft (3). The shaft (3) and the rotor (6, 7) are connected by a shrink- or screw-f... | 06/14/2005 |
| 6838049 | Room-temperature-formable magnesium alloy with excellent corrosion resistance A magnesium alloy with formability at room temperature and excellent corrosion resistance is provided. Specifically, a magnesium alloy is provided which comprises, in mass %, 8.0 to 11.0% Li, 0.1 to 4.0% Zn, and 0.1 to 4.5% Ba, with the balance being Mg and unavoida... | 01/04/2005 |
| 6818075 | Non-combustible magnesium alloy The present invention relates to a non-combustible magnesium alloy, comprising one of elements of Al at 0.1˜3 wt %, La at 0.1˜3 wt %, Nd at 0.1˜3 wt %, or Y at 0.005˜3 wt %; 0.5˜10 wt % of Ca; and the remainder of conventional magnesium alloy. Alternatively, th... | 11/16/2004 |
| 6787192 | Process for producing part made of magnesium and/or magnesium alloy A process for preparing a treated magnesium and/or magnesium alloy component comprising (A) treating the magnesium and/or magnesium alloy component with a surface treating agent containing a phosphate, (B) treating the component with a pre-treating agent used... | 09/07/2004 |
| 6755922 | High strength Mg based alloy and Mg based casting alloy and article made of the alloy An object of the present invention is to provide a high strength Mg based alloy and a Mg based casting alloy having a good fluidity and a good mechanical property, and a molded article using the alloy. A high strength Mg based alloy, which contains, by weight, 12 to... | 06/29/2004 |
| 6752881 | Metalliferous storage material for hydrogen and method for producing same In a metalliferous storage material for hydrogen a metal oxide is provided in or on the surface of the metalliferous materialas a catalyst for the hydrogenation or dehydrogenation of the metalliferous storage material. ... | 06/22/2004 |
| 6726783 | High storage capacity alloys having excellent kinetics and a long cycle life A fundamentally new magnesium-based hydrogen storage alloy material which makes it feasible and practical to use solid state storage and delivery of hydrogen to power internal combustion engine or fuel cell vehicles. These alloys have remarkable hydrogen storage cap... | 04/27/2004 |
| 6682609 | Hydrogen absorbing alloy, method of surface modification of the alloy, negative electrode for battery and alkaline secondary battery A hydrogen-absorbing alloy which is excellent in stability in an aqueous solution and in mechanical pulverizability is disclosed. This hydrogen-absorbing alloy contains an alloy represented by the following general formula (I):... | 01/27/2004 |
| 6652621 | Production method for magnesium alloy member A method of manufacturing a material for a magnesium alloy member, characterized in that the method comprises the steps of: heating a solid-liquid coexistent magnesium alloy up to a temperature in the range of from the solidus temperature or more to the l... | 11/25/2003 |
| 6616729 | Method of grain refining cast magnesium alloy A method of grain refining cast magnesium alloy includes adding to a magnesium alloy melt containing aluminum and manganese, pure carbon powder, or a carbon source in combination with niobium pentoxide or vanadium pentoxide.... | 09/09/2003 |
| 6582533 | Magnesium alloys excellent in fluidity and materials thereof Magnesium alloys containing, by mass percent, Al: 10.0 to 13.0%, Si: 0.3 to 1.5%, Mn: 0.1 to 1.0%, and, if desired, Zn: less than 0.8%, the rest being Mg and unavoidable impurities. Neither cracking by the casting is invited nor the mechanical property is... | 06/24/2003 |
| 6544357 | Selected processing for non-equilibrium light alloys and products A new class of light or reactive elements and monophase '-matrix magnesium- and aluminum-based alloys with superior engineering properties, for the latter being based on a homogeneous solute distribution or a corrosion-resistant and metallic shiny ... | 04/08/2003 |
| 6514309 | Activated feedstock An alloy feedstock for semi-solid metal injection molding. The alloy feedstock is an alloy material in particulate form and has a heterogeneous structure, a temperature range at 20% of the height of the peak of the main melting reaction greater than 40° ... | 02/04/2003 |
| 6511560 | Thin, forged magnesium alloy casing and method for producing same A thin, forged magnesium alloy casing is integrally constituted by a thin plate with projections on either or both surfaces, and the thin plate is as thin as about 1.5 mm or less. The thin forged casing can be produced by (a) carrying out a first forging ... | 01/28/2003 |
| 6444056 | Refined magnesium material and method for producing the same A process for producing a refined magnesium material which is flame retardant by adding an alkaline earth metal. In the process, the dross in a thin film is formed on the surface of the molten magnesium material by contacting it with a dross-formable atmo... | 09/03/2002 |
| 6395224 | Magnesium alloy and method of producing the same A magnesium alloy of the present invention includes magnesium as a main component, boron of 0.0005 weight % or more, manganese of 0.03 to 1 weight %, and substantially no zirconium or titanium. This magnesium alloy may further include aluminum of 1 to 30 ... | 05/28/2002 |
