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| Number | Title | Issue Date |
| 8048369 | Cobalt-nickel-chromium-molybdenum alloys with reduced level of titanium nitride inclusions A cobalt-nickel-chromium-molybdenum alloy useful in surgical implant applications includes, in weight percent based on total alloy weight, at least 20 cobalt, 33.0 to 37.0 nickel, 19.0 to 21.0 chromium, 9.0 to 10.5 molybdenum, and less than 30 ppm nitrogen. Embodime... | 11/01/2011 |
| 7364801 | Turbine component protected with environmental coating An environmental coating suitable for use on turbine components, such as turbine disks and turbine seal elements, formed of alloys susceptible to oxidation and hot corrosion. The environmental coating is predominantly a solid solution phase of nickel, iron, and/or c... | 04/29/2008 |
| 7360991 | Methods and apparatus for fabricating gas turbine engines Methods and apparatus of fabricating a gas turbine engine component are provided. The method includes selecting a surface of a component to apply a wear-resistant material, applying a formed wear pad fabricated from a wear-resistant alloy and a braze material, and v... | 04/22/2008 |
| 7344676 | Hydrogen storage materials having excellent kinetics, capacity, and cycle stability A BCC phase hydrogen storage alloy capable of storing approximately 4.0 wt. % hydrogen and delivering reversibly up to 3.0 wt. % hydrogen at temperatures up to 110° C. The hydrogen storage alloys also possess excellent kinetics whereby up to 80% of the hydrogen sto... | 03/18/2008 |
| 7316850 | Modified MCrAlY coatings on turbine blade tips with improved durability There is provided a method for depositing a modified MCrAlY coating on a turbine blade tip. The method utilizes laser deposition techniques to provide a metallurgical bond between a turbine blade substrate, such as a superalloy substrate, and the modified MCrAlY com... | 01/08/2008 |
| 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 |
| 7198867 | Electrochemical generation, storage and reaction of hydrogen and oxygen An electrolytic apparatus for using catalyst-coated hollow microspheres to produce gases, store them, and to make them available for later use. The apparatus uses catalyst-coated hollow microspheres in reversible electrochemical processes and reactions, such as thos... | 04/03/2007 |
| 7172661 | High strength nickel-based amorphous alloy A high precision alloy, and in particular, high-strength nickel-based amorphous compositions for fabrication of glass-coated microwires. ... | 02/06/2007 |
| 7124753 | Brazed diamond tools and methods for making the same Superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy. The brazing alloy may be provided as ... | 10/24/2006 |
| 6986951 | Cobalt-based alloy for the coating of organs subject to erosion by liquid The present invention relates to a cobalt-based alloy for the coating of organs subject to erosion by liquid comprising chromium 28–32% by weight, tungsten 6–8% by weight, silicon 0.1–2% by weight, carbon 1.2–1.7% by weight, nickel 3–6% by weight, molybden... | 01/17/2006 |
| 6929726 | Sputtering target, Al interconnection film, and electronic component A sputtering target consists essentially of 0.1 to 50% by weight of at least one kind of element that forms an intermetallic compound with Al, and the balance of Al. The element that forms an intermetallic compound with Al is uniformly dispersed in the target textur... | 08/16/2005 |
| 6921442 | Nickel-based heat-resistant alloy The present invention relates to a Ni base alloy having sufficient strength at high temperatures and high corrosion resistance at high temperatures in a high-temperature composite corrosive environment in which chlorination or sulfidation occurs simultaneously with ... | 07/26/2005 |
| 6852176 | Wear-resistant, corrosion-resistant cobalt-based alloys A Co-based alloy comprising 13-16 wt % Cr, 20-30 wt % Mo, 2.2-3.2 wt % Si, and balance Co, with a Cr:Si ratio of between about 4.5 and about 7.5, a Mo:Si ratio of between about 9 and about 15, wear resistance, and corrosion resistance in both oxidizing and reducing ... | 02/08/2005 |
| 6767653 | Coatings, method of manufacture, and the articles derived therefrom A turbine component comprises a substrate; and a crystalline coating disposed on a surface of the substrate, wherein the crystalline coating comprises tin and yttrium in an amount greater than or equal to about 0.05 atomic percent based upon the total coating. A met... | 07/27/2004 |
| 6756131 | High temperature corrosion resistant alloy, thermal barrier coating material, and gas turbine using high temperature corrosion resistant alloy A high temperature corrosion resistant alloy composition comprising, in addition to Ni, 0.1 to 12% by weight of Co, 10 to 30% by weight of Cr, 4 to 15% by weight of Al, 0.1 to 5% by weight of Y, and 0.5 to 10% by weight of Re. The high temperature corrosion resistan... | 06/29/2004 |
| 6746782 | Diffusion barrier coatings, and related articles and processes A barrier coating is disclosed, containing about 15 atom % to about 95 atom % chromium; and about 5 atom % to about 60 atom % of at least one of rhenium, tungsten, and ruthenium. Nickel, cobalt, iron, and aluminum may also be present. The barrier coating can be disp... | 06/08/2004 |
| 6740448 | Modified electrochemical hydrogen storage alloy having increased capacity, rate capability and catalytic activity A modified Ti—V—Zr—Ni—Mn—Cr electrochemical hydrogen storage alloy which has at least one of the following characteristics: 1) an increased charge/discharge rate capability over that the base Ti—V—Zr—Ni—Mn—Cr electrochemical hydrogen storage allo... | 05/25/2004 |
| 6737194 | Non-pyrophoric hydrogen storage alloy A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling. ... | 05/18/2004 |
| 6736947 | Sputtering target, A1 interconnection film, and electronic component A sputtering target consists essentially of 0.1 to 50% by weight of at least one kind of element that forms an intermetallic compound with Al, and the balance of Al. The element that forms an intermetallic compound with Al is uniformly dispersed in the target textur... | 05/18/2004 |
| 6720088 | Materials for protection of substrates at high temperature, articles made therefrom, and method for protecting substrates A group of alloys suitable for use in a high-temperature, oxidative environment, a protective coating system comprising a diffusion barrier that comprises an alloy selected from the group, an article comprising the diffusion barrier layer, and a method for protectin... | 04/13/2004 |
| 6696176 | Superalloy material with improved weldability A fusion weldable superalloy containing 0.005-0.5 wt. % scandium. In one embodiment, the superalloy may have a composition similar to IN-939 alloy, but having added scandium and having only 0.005-0.040 wt. % zirconium. A gas turbine component may be forme... | 02/24/2004 |
| 6690759 | Zirconium-base alloy and nuclear reactor component comprising the same Disclosed herein are zirconium-base alloys excellent in both corrosion resistance and hydrogen absorption property, useful as materials for nuclear reactors. Such a zirconium-base alloy for nuclear reactors comprises 0.5-2 wt. % Sn, 0.07-0.6 wt. % Fe, 0.0... | 02/10/2004 |
| 6652991 | Ductile NiAl intermetallic compositions The addition of small amounts of CeO2 and Cr to intermetallic compositions of NiAl and FeAl improves ductility, thermal stability, thermal shock resistance, and resistance to oxidation, sulphidization and carburization.... | 11/25/2003 |
| 6613275 | Non-precious dental alloy The present invention concerns a non-precious dental alloy, including the following components, with the approximate proportions, in weight, given in %: gold, between 0.5 and 4, molybdenum, between 4 and 6, tungsten, between 2 and 7, indium, be... | 09/02/2003 |
| 6554920 | High-temperature alloy and articles made therefrom An alloy and repair material comprising the alloy, articles comprising the alloy and repair material, and methods for repairing articles including provision of the alloy as repair material are described, with the alloy comprising ruthenium, nickel, alumin... | 04/29/2003 |
| 6521356 | Oxidation resistant coatings for niobium-based silicide composites An environmentally resistant coating for improving the oxidation resistance of a niobium-based refractory metal intermetallic composite (Nb-based RMIC) at high temperatures, the environmentally resistant coating comprising silicon, titanium, chromium, and... | 02/18/2003 |
| 6497968 | Oxidation resistant coatings for molybdenum silicide-based composite articles An environmentally resistant coating comprising silicon, titanium, chromium, and a balance of niobium and molybdenum for turbine components formed from molybdenum silicide-based composites. The turbine component may further include a thermal barrier coati... | 12/24/2002 |
| 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 |
| 6355212 | Alloy for corrosion-resistant coatings or surface coatings The invention is directed to anti-corrosive alloys and relates in particular to an alloy containing cobalt, chromium, aluminum, yttrium, silicon, a metal from the second main group, together with the corresponding oxide, in the following proportions: chro... | 03/12/2002 |
| 6294132 | TiAl intermetallic compound-based alloy This invention relates to a TiAl intermetallic compound-based alloy exhibiting excellent heat resistance, oxidation resistance and resonance resistance and having a cast structure composed of fine equiaxed grains. Specifically, it relates to a TiAl interm... | 09/25/2001 |
| 6284392 | Superalloys with improved weldability for high temperature applications A cast nickel-base superalloy component (10) is made having a composition containing small amounts of both boron and zirconium which are effective in combination to provide increased weldability, where such alloy is adapted for welding by weld (18) to a s... | 09/04/2001 |
| 6270719 | Modified electrochemical hydrogen storage alloy having increased capacity, rate capability and catalytic activity A modified Ti--V--Zr--Ni--Mn--Cr electrochemical hydrogen storage alloy which has at least one of the following characteristics: 1) an increased charge/discharge rate capability over that the base Ti--V--Zr--Ni--Mn--Cr electrochemical hydrogen storage all... | 08/07/2001 |
| 6266979 | Spinner disc alloy Cobalt alloys are disclosed for use in the fabrication of spinner discs for fiberizing molten glass into fibers in rotary fiberizing processes. The cobalt alloys fall within the following ranges, in percentage by weight, Co 22.0-54.0; Cr 30.0-34.0; Ni 9.0... | 07/31/2001 |
| 6258317 | Advanced ultra-supercritical boiler tubing alloy An ultra supercritical boiler tubing alloy characterized by a microstructure stabilized and strengthened for 375 bar/700° C. steam, in weight percent, service and alloyed to resist coal ash/flue gas corrosion for 200,000 hours consisting of 10 to 24 coba... | 07/10/2001 |
| 6200688 | Nickel-iron base wear resistant alloy A wear resistant alloy is provided having a composition by weight of 1.0-2.5 C, 1.5-4.5 Si, 8.0-20.0 Cr, 9.0-20.0 W and/or Mo, 0.5-2.0 Nb, 20.0-40.0 Fe, and the balance being Ni (>25.0). This alloy provides excellent wear resistance and good hot hardness ... | 03/13/2001 |
| 6106767 | Stress rupture properties of nickel-chromium-cobalt alloys by adjustment of the levels of phosphorus and boron Nickel-base alloys with improved elevated temperature creep and stress rupture lives are disclosed which are particularly useful for components in gas turbine engines exposed to high temperatures and stresses for long periods of time. The alloys are nicke... | 08/22/2000 |
| 6077615 | Gas turbine nozzle, power generation gas turbine, co-base alloy and welding material A Co-base alloy including, by weight, 0.03-0.10% C, not more than 1.0% Si, not more than 1.0% Mn, 20-30% Cr, 15-23% Ni, 3-10% W, 5-10% Ta and 0.05-0.7% Zr, is used as a welding material. A gas turbine nozzle has a crack repaired with a multi-layer weld us... | 06/20/2000 |
| 6057045 | High-speed steel article A powder-metallurgy produced high-speed steel article having a combination of high hardness and wear resistance, particularly at elevated temperatures. This combination of properties is achieved by the combination of W, Mo, V, and Co. The article is parti... | 05/02/2000 |
| 5968450 | Scandium containing hydrogen absorption alloy and hydrogen absorption electrode The present invention provides a scandium containing hydrogen absorption alloy having an alloy phase which is represented by the following formula; (Scx A1-x)(B'y B"2-y)z wherein A is at least one of Ti, Zr, ra... | 10/19/1999 |
| 5962156 | Nickel-metal hydride storage battery and alloy for configuring negative electrode of the same A nickel-metal hydride storage battery having a high capacity and excellent cycle life is disclosed. The battery employs, as its material for the negative electrode, a hydrogen storage alloy powder having a composition represented by the general formula Z... | 10/05/1999 |
