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| Number | Title | Issue Date |
| 7988800 | Method for producing Mg-REM-Ni based hydrogen-absorbing alloy In order to accurately and efficiently alloy a Mg-REM-Ni based hydrogen-absorbing alloy in accordance with a target composition, which was difficult in the industrial production by the conventional technique, a rare earth element starting material and a nickel start... | 08/02/2011 |
| 7828915 | Method for making Mg-based intermetallic compound A method for making Mg(magnesium)-based intermetallic compound uses a thermal process during a melting process to produce largely the Mg-based intermetallic compound. The vapor pressure of Mg is high, thereby Mg is prone to be vaporized from a melt and a wrought sol... | 11/09/2010 |
| 7648598 | Manufacturing method for isothermal evaporation casting process A manufacturing method for an isothermal evaporation casting process is disclosed and to design the manufacturing method for the simple atmospheric casting. The present invention can melt the Mg—Ni alloy with the aspect of totally different melting points thereof,... | 01/19/2010 |
| 7435307 | Fe-Ni based permalloy and method of producing the same and cast slab A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Nin: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0.0060 wt %, Al: not more than 0.02 wt % and, if neces... | 10/14/2008 |
| 7361302 | Oxidation and fatigue resistant metallic coating The present invention relates to a metallic coating to be deposited on gas turbine engine components. The metallic coating comprises up to 18 wt % cobalt, 3.0 to 18 wt % chromium, 5.0 to 15 wt % aluminum, 0.1 to 1.0 wt % yttrium, up to 0.6 wt % hafnium, up to 0.3 wt... | 04/22/2008 |
| 7338259 | High modulus metallic component for high vibratory operation A high modulus component, such as an aircraft engine turbine blade, is formed from a base metal that has a high modulus crystallographic orientation that is aligned with the primary, i.e. radial, direction of the turbine blade. The base metal is Ni, Fe, Ti, Co, Al, ... | 03/04/2008 |
| 7258158 | Increasing stability of silica-bearing material Method and apparatus for prolonging the stability (working life) of a ceramic slurry and other aqueous mixture or dispersion containing a liquid silica-bearing or other component as well as the raw liquid silica-bearing component in ambient air over time by providin... | 08/21/2007 |
| 7166176 | Cast single crystal alloy component with improved low angle boundary tolerance A nickel-based single crystal gas turbine component (30) having a low angle boundary (34) with improved material properties resulting from retained gamma/gamma prime eutectic phase at the low angle boundary. The coarse eutectic phase nodules roughen th... | 01/23/2007 |
| 7112302 | Methods for making shape memory alloy products The manufacturing methods according to the present teachings provide shape memory alloy products having both a uniform composition and a precise shape memory recovery temperature. In this manufacturing method, raw material powders (e.g., Ti and Ni powders) may be pr... | 09/26/2006 |
| 7074284 | Heat treatment method for bodies that comprise a nickel based superalloy In a heat treatment process for a single-crystal or directionally solidified material body comprising a nickel-based superalloy, the material body is solution-annealed and then at a first temperature γ′ particles of greater than 1 μm are precipitated in a propor... | 07/11/2006 |
| 6986381 | CASTINGS OF METALLIC ALLOYS WITH IMPROVED SURFACE QUALITY, STRUCTURAL INTEGRITY AND MECHANICAL PROPERTIES FABRICATED IN REFRACTORY METALS AND REFRACTORY METAL CARBIDES COATED GRAPHITE MOLDS UNDER VACUUM Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with a refractory metal such as W or Re or a refractory metal carbide such as TaC or HfC. The molds may be made by making the... | 01/17/2006 |
| 6942947 | Hydrogen storage alloy, process for producing hydrogen storage alloy, hydrogen storage alloy electrode, process for producing hydrogen storage alloy electrode, and battery Hydrogen storage alloy has: (1) a main composition expressed by the formula of Mm−(Ni−Al−Co−Mn−Cu); (2) a ratio of the number of atoms expressed by the formula (Ni−Al−Co−Mn−Cu) is 5.5 | 09/13/2005 |
| 6921497 | Composition of matter tailoring: system I The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and unique electronic character. ... | 07/26/2005 |
| 6705385 | Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in anisotropic pyrolytic graphite molds under vacuum Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with pyrolytic graphite. The molds may be made by making the substrate (main body) of high density, high strength ultrafine g... | 03/16/2004 |
| 6689233 | Hydrogen absorbing alloy and method for its production A hydrogen storage material which is characterized by having, as a cast alloy, a flaky or similar shape with a thickness of 50 to 500 μm and showing such crystallite orientation that the X-ray diffraction pattern has an intensity ratio of plane indices (... | 02/10/2004 |
| 6634413 | Centrifugal casting of nickel base superalloys in isotropic graphite molds under vacuum Methods for making various nickel based superalloys into engineering components such as rings, tubes and pipes by melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent centrifugal casting of the melt in the graphite... | 10/21/2003 |
| 6500283 | Method of improving environmental resistance of investment cast superalloy articles A method for promoting the environmental resistance of nickel, iron and cobalt-base superalloys of the type alloyed to develop a protective oxide scale. The method entails a technique for removing sulfur during or subsequent to the casting operation. The ... | 12/31/2002 |
| 6461744 | Article based on a metal alloy of nickel, chromium and metalloid elements including microcrystalline precipitates, metal alloy and preparation method A description follows of an article based on a nickel-chromium-silicon metal alloy, including microcrystalline borides, obtained by the rapid solidification and subsequent thermal treatment of a nickel-chromium-boron-silicon metal alloy comprising from 39... | 10/08/2002 |
| 6436207 | Manufacture of target for use in magnetron sputtering of nickel and like magnetic metals for forming metallization films having consistent uniformity through life Improved targets for use in DC magnetron sputtering of nickel or like ferromagnetic face-centered cubic (FCC) metals are disclosed for forming metallization films having effective edge-to-edge deposition uniformity of 5% (3ς) or better. Such targets may ... | 08/20/2002 |
| 6428637 | Method for producing large tear-free and crack-free nickel base superalloy gas turbine buckets Method for producing a large, substantially hot tear-free superalloy gas turbine bucket useful in a large, land-based utility gas turbine engine, wherein a melt of a superalloy consisting essentially of, by weight: 13.7 to 14.3 ... | 08/06/2002 |
| 6372059 | Hydrogen storage alloy and method for preparation thereof A hydrogen storage material which is an AB5 type hydrogen storage alloy having a CaCu5 type crystal structure represented by general formula: MmNia Mnb Alc Cod wherein Mm denotes a misch metal, ... | 04/16/2002 |
| 6372063 | Process for manufacturing metallic component and such metallic component The process for manufacturing a metallic component, such as a wheel part for the rolling system of a vehicle, which includes, in an initial stage, forming the component of a metallic material in a semi-solid state and having a thixotropic structure, and i... | 04/16/2002 |
| 6342114 | Nickel/vanadium sputtering target with ultra-low alpha emission A nickel/vanadium sputter target for depositing magnetic nickel is provided having high homogeneity, high purity and an ultra-low level of alpha emission. Source materials having high purity and alpha emissions of equal or less than 10-2 counts... | 01/29/2002 |
| 6331217 | Turbine blades made from multiple single crystal cast superalloy segments Large gas turbine blades made from separate cast segments of superalloys are disclosed. The turbine blade is designed such that bond lines between adjacent segments are placed in low stress regions of the blade. The cast superalloy segments of the blades ... | 12/18/2001 |
| 6325871 | Method of bonding cast superalloys A method of bonding cast superalloys is disclosed. The method includes the steps of casting separate superalloy component parts, machining the mating surfaces of the separate parts in a controlled manner to avoid recrystallization of the material and to e... | 12/04/2001 |
| 6322643 | Columnar crystalline Ni-base heat-resistant alloy having high resistance to intergranular corrosion at high temperature, method of producing the alloy, large-size article, and method of producing large-size article from the alloy An Ni-base heat resistant alloy, has a composition which contains, by weight, Cr: from 12.0 to 14.3%, Co: from 8.5 to 11.0%, Mo: from 1.0 to 3.5%, W: from 3.5 to 6.2%, Ta: from 3.0 to 5.5%, Al: from 3.5 to 4.5%, Ti: from 2.0 to 3.2%, C: from 0.04 to 0.12%... | 11/27/2001 |
| 6261517 | Rare earth metal-nickel hydrogen storage alloy, a method for producing the same, and anode for nickel-hydrogen rechargeable battery A rare earth metal-nickel hydrogen storage alloy of a composition represented by the formula: RNia Mnb Coc Ald Xe (R stands for one or more rare earth elements including Sc and Y, not less than 95 atom % o... | 07/17/2001 |
| 6231692 | Nickel base superalloy with improved machinability and method of making thereof Machineable nickel base alloy casting, consisting essentially of, in weight %, about 12.5% to 15% Cr, about 9.00% to 10.00% Co, about 3.70% to 4.30% Mo, about 3.70% to 4.30% W, about 2.80% to 3.20% Al, about 4.80% to 5.20% Ti, about 0.005% to 0.02% B, up ... | 05/15/2001 |
| 6224695 | Ni-base directionally solidified alloy casting manufacturing method A Ni-base directionally solidified alloy casting is produced by casting a Ni-base directionally solidified alloy having a composition of 10 to 14 wt. % Co, 2 to 3 wt. % Cr, 1.5 to 2.5 wt. % Mo, 5 to 6.5 wt. % W, 5.7 to 6.5 wt. % Al, 5.5 to 6.5 wt. % Ta, 4... | 05/01/2001 |
| 6210498 | Hydrogen storage alloys and methods and improved nickel metal hydride electrodes and batteries using same Reversible hydrogen storage alloys and methods and electrodes formed therefrom for nickel metal hydride batteries, in which the alloys are quenched from a melt at cooling rates selected to provide a high degree of disorder with an optimum local environmen... | 04/03/2001 |
| 6203629 | Process for cutting coked metal molded parts A process for cutting coked metal includes cutting with a flame or by electrowelding after the coked metal has been heated sufficiently to relieve stresses in the metal.... | 03/20/2001 |
| 6159314 | Nickel-base single-crystal superalloys, method for manufacturing the same, and gas turbine parts prepared therefrom The invention relates to a nickel-base single-crystal superalloy applied to parts for industrial gas turbine or the like such as turbine rotor blade and stator blade which are used at high temperatures, a method for manufacturing the same, and gas turbine... | 12/12/2000 |
| 6066291 | Nickel aluminide intermetallic alloys for tooling applications Castings based on the nickel aluminide intermetallic alloy IC-221M were melted and poured with an addition of enough molybdenum to bring its concentration to 5 weight %. This resulted in a minimization or elimination of the nickel-zirconium eutectic phase... | 05/23/2000 |
| 6063212 | Heat treated, spray formed superalloy articles and method of making the same Heat treated, spray formed articles are disclosed which exhibit crack growth rates and resistance to stress rupture comparable to corresponding, forged articles. The articles are first formed by depositing molten metal droplets, e.g., of IN 718, on a subs... | 05/16/2000 |
| 6053995 | Method of producing an age precipitation-containing rare earth metal-nickel alloy A method of producing an age precipitation-containing rare earth metal-nickel alloy of AB5 type having a composition represented by a formula (1) R(ni1-x Mx)5+y (1) wherein R stands for a... | 04/25/2000 |
| 6036791 | Columnar crystalline Ni-based heat-resistant alloy having high resistance to intergranular corrosion at high temperature, method of producing the alloy, large-size article, and method of producing large-size article from the alloy An Ni-base heat resistant alloy, has a composition which contains, by weight, Cr: from 12.0 to 14.3%, Co: from 8.5 to 11.0%, Mo: from 1.0 to 3.5%, W: from 3.5 to 6.2%, Ta: from 3.0 to 5.5%, Al: from 3.5 to 4.5%, Ti: from 2.0 to 3.2%, C: from 0.04 to 0.12%... | 03/14/2000 |
| 6033498 | Thermal processing of nickel aluminide alloys to improve mechanical properties Castings based on the nickel aluminide intermetallic alloy IC-221M were melted and poured with an addition of enough molybdenum to bring its concentration to 5 weight %. This resulted in a minimization or elimination of the nickel-zirconium eutectic phase... | 03/07/2000 |
| 5976280 | Method for making a hydrogen embrittlement resistant γ' strengthened nickel base superalloy material A nickel base superalloy, having either columnar or equiaxed grain structure, which has significantly improved resistance to hydrogen embrittlement, and to fatigue in air. The material is processed so as to be essentially free of script type carbides, γ/... | 11/02/1999 |
| 5964968 | Rare earth metal-nickel hydrogen storage alloy, method for producing the same, and anode for nickel-hydrogen rechargeable battery A rare earth metal-nickel hydrogen storage alloy having a composition represented by the formula (1) (R1-x Lx)(Ni1-y My)z (1) (R: La, Ce, Pr, Nd; L: Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc, Mg, Ca; M... | 10/12/1999 |
| 5951945 | Hydrogen occluding alloy and electrode made of the alloy There is provided a hydrogen occluding alloy exhibiting high absorption and desorption speeds. A hydrogen occluding alloy comprising as an overall composition: 25 to 45 weight % Zr+Hf, wherein the Hf comprises not more than 4%, 1 to 12 weight % Ti, 10 to ... | 09/14/1999 |
