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| Number | Title | Issue Date |
| 7824606 | Nickel-based alloys and articles made therefrom The invention provides nickel-based alloys that are useful in the preparation of articles for applications requiring high mechanical and physical properties, such as high strength and high heat stability, while simultaneously reducing the cost of preparation of the ... | 11/02/2010 |
| 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 |
| 7338645 | Method and system for reducing decomposition byproducts in a methanol to olefin reactor system Disclosed is a method and system for reducing the formation of metal catalyzed side-reaction byproducts formed in the feed vaporization and introduction system of a methanol to olefin reactor system by forming and/or coating one or more of the heating devices, feed ... | 03/04/2008 |
| 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 |
| 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 |
| 7273662 | High-temperature coatings with Pt metal modified γ-Ni+γ′-NiAl alloy compositions An alloy including a Pt-group metal, Ni and Al in relative concentration to provide a γ-Ni+γ′-Ni3Al phase constitution, and a coating including the alloy. ... | 09/25/2007 |
| 7272879 | Glass molding die, renewal method thereof, and glass fabricated by the molding die A molding die for molding glass and renewal method thereof. The molding die includes a substrate, a nickel-phosphorous alloy layer, with phosphorous content 30 wt % or less, overlying the substrate, an intermediate layer overlying the nickel-phosphorous alloy layer,... | 09/25/2007 |
| 7268474 | Alloy, electrode with the alloy, and ignition device with the alloy A nickel alloy has 10-20 weight percent of chromium, and 1-4 weight percent of an element selected from the group consisting of aluminum, silicium and both, and can be used in an electrode, for example in an ignition device. ... | 09/11/2007 |
| 7261955 | MCrAlX alloy and turbine component having protective layer made from MCrAlX alloy Protective layers of the MCrAlX type according to the prior art are often provided with a platinum layer to prevent diffusion of elements out of the base material into the MCrAlX. The MCrAlX alloy according to the invention includes halogens (F, Cl, Br, I), which pr... | 08/28/2007 |
| 7261783 | Low density, high creep resistant single crystal superalloy for turbine airfoils A nickel-base superalloy article for use in turbines has increased creep resistance and lower density. The superalloy article includes, as measured in % by weight, 6.0-12.0% Mo, 5.5-6.5% Al, 3.0-7.0% Ta, 0-15% Co, 2.0-6.0% Cr, 1.0-4.0% Re, 0-1.5% W, 0-1.5% Ru, 0-2.0... | 08/28/2007 |
| 7250088 | Directionally solidified columnar grained article and apparatus for manufacture thereof A method and an apparatus for manufacturing a directionally solidified columnar grained article with a reduced amount of secondary misorientation of the columnar grains. The method employs a casting assembly comprising a mold with a cavity, a selector section at a l... | 07/31/2007 |
| 7211346 | Corrosion resistant metallic bipolar plate A corrosion resistant, electrically conductive component such as a bipolar plate for a PEM fuel cell includes 20–55% Cr, balance base metal such as Ni, Fe, or Co, the component having thereon a substantially external, continuous layer of chromium nitride. ... | 05/01/2007 |
| 7179540 | Plate type heat exchanger and method for manufacture thereof A plate type heat exchanger wherein contacting portions of laminated plural plates and fins or contacting portions of laminated plural plates are brazed to form a heat exchange area, characterized in that at least the surface of a plate or fin contacting with a flui... | 02/20/2007 |
| 7165325 | Welding material, gas turbine blade or nozzle and a method of repairing a gas turbine blade or nozzle A welding material composition, which is a nickel based super alloy having γ′ phase and chromium carbides precipitated. The composition comprising 18 to 25% by weight of Co, 15 to 20% by weight of Cr, 1.5 to 5.5% by weight of Al, 5 to 14% by weight of W, 0.05 to ... | 01/23/2007 |
| 7156932 | Nickel-base alloys and methods of heat treating nickel-base alloys Embodiments of the present invention relate to nickel-base alloys, and in particular 718-type nickel-base alloys, having a desired microstructure that is predominantly strengthened by γ′-phase precipitates and comprises an amount of at least one grain boundary pr... | 01/02/2007 |
| 7141128 | Intermetallic material and use of this material The invention discloses an intermetallic material consisting of the following composition by weight percent: 10% Al, 22% Cr, 36% Co, 0.2% Y, 0.2% Hf, 2% Ta, 3% Fe, remainder Ni and inevitable impurities. The invention also describes its use as a layer protecting aga... | 11/28/2006 |
| 7052782 | High-temperature protection layer A high-temperature protection layer contains (% by weight) 23 to 27% Cr, 4 to 7% Al, 0.1 to 3% Si, 0.1 to 3% Ta, 0.2 to 2% Y, 0.001 to 0.01% B, 0.001 to 0.01% Mg and 0.001 to 0.01% Ca, remainder Ni and inevitable impurities. Optionally, the Al content is in a range ... | 05/30/2006 |
| 6968991 | Diffusion bond mixture for healing single crystal alloys A diffusion bond mixture paint and method for repairing a single-crystal superalloy article that minimizes the amount of braze alloy applied to the article. The amount of boron and eutectic brittle borides of the wide gap brazing processes is minimized, resulting in... | 11/29/2005 |
| 6966956 | Ni-based single crystal super alloy A Ni-based single crystal super alloy capable of improving strength by preventing precipitation of a TCP phase at high temperatures may be obtained by a Ni-based single crystal super alloy having a composition consisting of 5.0-7.0 wt % Al, 4.0-8.0 wt % Ta, 2.9-4.5 ... | 11/22/2005 |
| 6924046 | Rhenium-containing protective layer for protecting a component against corrosion and oxidation at high temperatures A protective layer has the composition 0.5 to 2% of rhenium, 15 to 21% of chromium, 9 to 11.5% of aluminum, 0.05 to 0.7% of yttrium and/or at least one equivalent metal from the group consisting of scandium and the rare earths, 0 to 1% of ruthenium, remainder cobalt... | 08/02/2005 |
| 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 |
| 6919042 | 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... | 07/19/2005 |
| 6914210 | Method of repairing a stationary shroud of a gas turbine engine using plasma transferred arc welding A stationary shroud of a gas turbine engine made of a base metal is repaired by removing any damaged material from a flow-path region of the stationary shroud to leave an initially exposed base-metal flow-path surface; and applying a base-metal restoration overlying... | 07/05/2005 |
| 6860948 | Age-hardenable, corrosion resistant Ni—Cr—Mo alloys A nickel-chromium-molybdenum alloy capable of being age hardened for improved strength while maintaining high corrosion resistance contains in weight percent 19.5 to 22 chromium, 15 to 17.5 molybdenum, up to 3 iron, up to 1.5 manganese, up to 0.5 aluminum, up to 0.0... | 03/01/2005 |
| 6846575 | Article having turbulation and method of providing turbulation on an article An article includes turbulation material bonded to a surface of a substrate via a bonding agent, such as a braze alloy. In an embodiment, the turbulation material includes a particulate phase of discrete metal alloy particles having an average particle size within a... | 01/25/2005 |
| 6818077 | High-strength Ni-base superalloy and gas turbine blades A nickel-based superalloy containing 12.0 to 16.0% by weight of Cr, 4.0 to 9.0% by weight of Co, 3.4 to 4.6% by weight of Al, 0.5 to 1.6% by weight of Nb, 0.05 to 0.16% by weight of C, 0.005 to 0.025% by weight of B, and at least one of Ti, Ta and Mo. Amounts of Ti,... | 11/16/2004 |
| 6808570 | Fin and tube for high-temperature heat exchanger A fin and a tube for a high-temperature heat exchanger are made of a nickel-based alloy which contains 2.0 to 5.0% of Al and further contains, as required, at least one selected from the group consisting of 0.1 to 2.5% of Si, 0.8 to 4.0% of Cr, and 0.1 to 1.5% of Mn... | 10/26/2004 |
| 6797232 | Nickel-based alloy for high-temperature technology Creep-proof and corrosion-resistant nickel-based alloy for the use in high-temperature technology, comprising in wt-%: 0.0015 to 0.60 carbon (C); 0.20 to 0.90 nitrogen (N); 22.0 to 32.0 chromium (Cr); 5.0 to 20.0 elements of group 4, 5, a... | 09/28/2004 |
| 6764646 | Ni-Cr-Mo-Cu alloys resistant to sulfuric acid and wet process phosphoric acid A nickel-chromium-molybdenum-copper alloy that is resistant to sulfuric acid and wet process phosphoric acid contains in weight percent 30.0 to 35.0% chromium, 5.0 to 7.6% molybdenum, 1.6 to 2.9% copper, up to 1.0% manganese, up to 0.4% aluminum, up to 0.6% silicon,... | 07/20/2004 |
| 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 |
| 6755921 | Nickel-based single crystal alloy and a method of manufacturing the same The present inventions offer a nickel-based single crystal alloy which has a high strength, is easy in conducting the solution heat treatment, hardly gives a harmful phase and is resistant to corrosion at high temperature. A nickel-based single crystal alloy is offe... | 06/29/2004 |
| 6740291 | Ni-Cr-Mo alloys resistant to wet process phosphoric acid and chloride-induced localized attack A nickel-chromium-molybdenum alloy that is thermally stable and resistant to wet process phosphoric acid and chloride induced localized attack contains in weight percent 31.0 to 34.5% chromium, 7.0 to 10.0% molybdenum, up to 0.2% nitrogen, up to 3.0% iron, up to 1.0... | 05/25/2004 |
| 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 |
| 6702906 | Ni-base heat resistant alloy and welded joint thereof A Ni-base heat resistant alloy excellent in weldability and strength at elevated temperatures and suited for use in manufacturing cracking furnace tubes and reformer furnace tubes to be used in ethylene plants as well as a welded joint therefor is provide... | 03/09/2004 |
| 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 |
| 6696017 | Ni-base brazing alloy The present invention relates to a Ni-base brazing alloy. The alloy has a good wettability toward a material to be brazed when melting, an excellent corrosion resistance and a high strength. The alloy is used for process of joining two pieces of metal suc... | 02/24/2004 |
| 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 |
| 6641929 | Article having a superalloy protective coating, and its fabrication An article protected by a protective coating includes a substrate made of a first nickel-base superalloy substrate material that is susceptible to the formation of a secondary reaction zone when overlaid by a diffusion aluminide coating or an aluminide ov... | 11/04/2003 |
| 6638373 | Two step aging treatment for Ni-Cr-Mo alloys A two step heat treatment for Ni--Cr--Mo alloys containing from 12% to 23.5% chromium provides higher yield strength, high tensile strength and other mechanical properties comparable to those observed in similar alloys age-hardened according to current pr... | 10/28/2003 |
| 6635362 | High temperature coatings for gas turbines Coating for high temperature gas turbine components that include a MCrAlX phase, and an aluminum-rich phase, significantly increase oxidation and cracking resistance of the components, thereby increasing their useful life and reducing operating costs. The... | 10/21/2003 |
