Chromium Containing Patents (Class 420/588)
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Publication number: 20100244310Abstract: An alloy, characterized in that it contains the following elements (the proportions being indicated in percentages by weight of the alloy): Cr: ?23 to 34% Ti: 0.2 to 5% Ta: 0.5 to 7% C: 0.2 to 1.2% Ni: less than 5% Fe: less than 3% Si: less than 1% Mn: less than 0.5%, the balance consisting of cobalt and inevitable impurities. An article for the manufacture of mineral wool, especially fiberizing spinner, made of such an alloy.Type: ApplicationFiled: November 27, 2008Publication date: September 30, 2010Applicants: Saint-Gobain Isover, Saint-Gobain SevaInventors: Jean-Luc Bernard, Patrice Berthod, Ludovic Hericher, Christophe Liebaut, Sylvain Michon
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Publication number: 20100230299Abstract: The hydrogen storage alloy has, as a main phase thereof, a bcc structure phase having a composition represented by TixCryVzXw wherein 3/2?y/x?3/1, 50?z?75 mol %, 0?w?5 mol %, and x+y+z+w=100 mol %, and X represents any one or more selected from Al, Si, and Fe. The hydrogen storage device is a device using the alloy. The preparation process of a hydrogen storage alloy includes the steps of: melting/casting raw materials mixed to give the composition represented by TixCryVzXw; heat-treating an ingot obtained in the melting/casting step; and subjecting the heat-treated ingot to a hydrogen storing/releasing treatment at least once to activate the ingot.Type: ApplicationFiled: March 5, 2010Publication date: September 16, 2010Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Masakazu Aoki, Shinichi Towata, Tatsuo Noritake, Akio Itoh, Kota Washio, Mamoru Ishikiriyama
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Patent number: 7794652Abstract: A dental prosthesis may be cast and machined from a cobalt-, iron- and/or nickel-chromium base dental alloy comprising at least 25% metal selected from the group consisting of ruthenium, platinum, palladium, iridium, osmium, rhodium, and gold wherein the major portion or at least 15%, whichever is larger, of metal in this group is ruthenium; from 15 to 30% chromium; and a principal balance of metal selected from the group consisting of iron. nickel and cobalt.Type: GrantFiled: December 8, 2005Date of Patent: September 14, 2010Assignee: The Argen CorporationInventor: Paul J. Cascone
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Publication number: 20100226779Abstract: A Ni-base superalloy having a chemical composition comprising Cr: 3.0-5.0 wt %, Co: 5.0-10.0 wt %, Mo: 0.5-3.0 wt %, W: 8.0-10.0 wt %, Ta: 5.0-8.0 wt %, Nb: 3.0 wt % or less, Al: 4.5-6.0 wt %, Ti: 0.1-2.0 wt %, Re: more than 3.0-4.0 wt %, Ru: 0.2-4.0 wt %, Hf: 0.01-0.2 wt %, and the balance being Ni and unavoidable impurities, a method for producing the same, and turbine blade or turbine vane components are disclosed. The Ni-base superalloy has high creep strength and textural stability under high temperature environment, and is excellent in applicability to turbine blade or turbine vane components of large-sized gas turbines.Type: ApplicationFiled: March 16, 2007Publication date: September 9, 2010Inventors: Yutaka Koizumi, Hiroshi Harada, Tadaharu Yokokawa, Toshiharu Kobayashi
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Publication number: 20100196193Abstract: An alloy composition includes a blend of a first alloy and a second alloy, the first alloy having a first composition including about 17 wt %-25 wt % of chromium, about 6 wt %-12.5 wt % of aluminum, about 18 wt %-22 wt % of cobalt, up to 4 wt % of tantalum, up to about 8 wt % of tungsten, up to about 0.4 wt % of silicon, about 0.25 wt %-1 wt % of hafnium, about 0.1 wt %-1 wt % of yttrium, and a balance of nickel, and the second alloy having a second composition including about 21.25 wt %-22.75 wt % of chromium, about 5.7 wt %-6.3 wt % of aluminum, about 11.5 wt %-12.5 wt % of cobalt, about 5.7 wt %-6.3 wt % of silicon, boron in an amount no greater than 1.0 wt %, and a balance of nickel.Type: ApplicationFiled: January 30, 2009Publication date: August 5, 2010Inventor: Michael Minor
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Publication number: 20100172790Abstract: The invention relates to an iron-nickel-chromium-silicon alloy comprising (in wt.-%) 19 to 34% or 42 to 87% nickel, 12 to 26% chromium, 0.75 to 2.5% silicon, and additives of 0.05% to 1% Al, 0.01 to 1% Mn, 0.01 to 0.26% lanthanum, 0.0005 to 0.05% magnesium, 0.04 to 0.14% carbon, 0.02 to 0.14% nitrogen, and further comprising 0.0005 to 0.07% Ca, 0.002 to 0.020% P, a maximum of 0.01% sulfur, a maximum of 0.Type: ApplicationFiled: December 23, 2009Publication date: July 8, 2010Inventors: Heike HATTENDORF, Juergen Webelsiep
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Publication number: 20100143745Abstract: NiCoCrAl layers used as anticorrosive layers characterized by additional corrosion stability enhancing agents that substantially improve the anticorrosive properties are provided. Corrosion stability is not only determined by the composition and the percentage of the main alloy elements of nickel, cobalt, chromium and aluminium, but also by the addition of corrosion stability enhancing agents, such yttrium, cerium, tantalum, niobium, silicon, titanium, zirconium, and hafnium.Type: ApplicationFiled: August 15, 2007Publication date: June 10, 2010Inventor: Werner Stamm
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Publication number: 20100104440Abstract: The present invention provides a coating material, a method of manufacturing the coating material and a coating method using the coating material that are capable of forming a coating film that retains high abrasion resistance while offering improved oxidation resistance at high temperatures, and also provides a moving blade fitted with a shroud. A coating material is used that comprises not less than 14% by mass and not more than 30% by mass of Mo, not less than 13% by mass and not more than 20% by mass of Cr, and not less than 0.5% by mass and not more than 4% by mass of Si, may further comprise not more than 1.5% by mass of Ni, not more than 1.5% by mass of Fe, and not more than 0.08% by mass of C, and comprises a balance of Co and unavoidable impurities, wherein the material further comprises at least one added component selected from the group consisting of not less than 0.01% by mass and not more than 3% by mass of Y, not less than 0.01% by mass and not more than 10% by mass of Al, and not less than 0.Type: ApplicationFiled: March 28, 2009Publication date: April 29, 2010Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., TSINGHUA UNIVERSITYInventors: Taiji Torigoe, Tomoaki Yunomura, Ikuo Okada, Zhi-Gang Yang
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Patent number: 7704335Abstract: A refractory composition is described, containing niobium, silicon, titanium, and at least one of rhenium and ruthenium. The amount of silicon in the composition is at least about 9 atom %, and the amount of titanium present is less than about 26 atom %, based on total atomic percent. Turbine engine components formed from such a composition are also disclosed.Type: GrantFiled: July 26, 2005Date of Patent: April 27, 2010Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Laurent Cretegny, Pazhayannur Ramanathan Subramanian, Melvin Robert Jackson
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Publication number: 20100092301Abstract: A component for a high-temperature steam turbine which operates at temperatures above 600° C., especially above 700° C., is formed of a nickel-based alloy. The negative influence of oxidation of the component which is induced by the superheated steam is prevented by the alloy which is used, having the following composition (in % by weight): C: ?0.2 Si: ?1.0 Mn: ?1.0 Cr: 22.0-25.0 Co: 15.0-25.0 Mo: ?3.0 Nb: ?2.0 Al: 1.0-3.0 Ti: 2.0-4.0 Fe: ?2.0 Zr: ?0.2 B: ??0.05 Ni: remainder.Type: ApplicationFiled: October 27, 2008Publication date: April 15, 2010Inventor: Richard Brendon Scarlin
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Publication number: 20100080921Abstract: A target material for thermal spraying may include chromium and at least one of about 0.5-12% by weight of aluminum and about 2-15% by weight of manganese.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Inventor: M. Brad Beardsley
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Publication number: 20100059146Abstract: The present invention provides, in a ?? phase precipitation strengthening type Ni-base alloy, an alloy excellent in heat treatment capability and weldability and suitable for joint with a ferritic steel. Further, the present invention provides a welded turbine rotor having the strength, ductility, and toughness simultaneously over the whole welded structure when a precipitation strengthening type Ni-base alloy having a heatproof temperature of 675° C. or higher is joined to a ferritic steel. A Ni-base alloy according to the present invention contains cobalt, chromium, aluminum, carbon, boron, and at least either tungsten or molybdenum with the remainder being nickel and inevitable impurities, having an alloy composition including 12 to 25 percent by mass of Co, 10 to 18 percent by mass of Cr, 2.0 to 3.6 percent by mass of Al, 0.01 to 0.15 percent by mass of C, 0.001 to 0.03 percent by mass of B, the total amount of tungsten and molybdenum being 5.0 to 10 percent by mass.Type: ApplicationFiled: September 1, 2009Publication date: March 11, 2010Inventors: Jun Sato, Shinya Imano, Hiroyuki Doi
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Publication number: 20100047076Abstract: A beta titanium alloy comprises 25 wt % vanadium, 15 wt % chromium, 2 wt % aluminium, up to 0.15 wt % oxygen, 0.1 to 0.3 wt % carbon and the balance titanium plus incidental impurities. The carbon is present in the form of titanium carbide precipitates distributed throughout the beta titanium alloy matrix, the titanium carbide precipitates refine the grain size of the beta titanium alloy matrix and remove oxygen from the beta titanium alloy matrix to reduce precipitation of alpha titanium in the beta titanium alloy matrix to increase the ductility of the beta titanium alloy. The alloy is useful for gas turbine engine compressor blades (10), compressor vanes, compressor casings etc.Type: ApplicationFiled: January 8, 2009Publication date: February 25, 2010Inventors: Yue G. Li, Paul A. Blenkinsop
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Publication number: 20100038412Abstract: Nickel-based low-melting boron-free braze alloy compositions include varying amounts of the alloying elements cobalt, chromium, hafnium, zirconium together with optionally titanium and aluminum. The braze alloys can be used as a stand alone braze alloy or in combination with other filler alloys to create braze joints with desirable joint geometries and properties. The braze alloy compositions can be used to join and repair different superalloy articles such as gas turbine components for high temperature applications.Type: ApplicationFiled: August 15, 2008Publication date: February 18, 2010Inventor: Xiao Huang
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Patent number: 7662740Abstract: A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof is at least 35 atomic percent.Type: GrantFiled: June 3, 2004Date of Patent: February 16, 2010Assignees: Symyx Technologies, Inc., Honda Giken Kogyo Kabushiki KaishaInventors: Konstantinos Chondroudis, Alexander Gorer, Martin Devenney, Ting He, Hiroyuki Oyanagi, Daniel M. Giaquinta, Kenta Urata, Hiroichi Fukuda, Qun Fan, Peter Strasser, Keith James Cendak, Jennifer N. Cendak, legal representative
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Publication number: 20100008790Abstract: A composition of matter comprises, in combination, in weight percent: a largest content of nickel; at least 16.0 percent cobalt; and at least 3.0 percent tantalum. The composition may be used in power metallurgical processes to form turbine engine turbine disks.Type: ApplicationFiled: March 30, 2005Publication date: January 14, 2010Inventor: Paul L. Reynolds
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Publication number: 20100008812Abstract: A hard phase forming alloy powder, for forming a hard phase dispersed in a sintered alloy, consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities. A production method, for a wear resistant sintered alloy, includes preparing a matrix forming powder, the hard phase forming alloy powder, and a graphite powder. The production method further includes mixing 15 to 45% of the hard phase forming alloy powder and 0.5 to 1.5% of the graphite powder with the matrix forming powder into a raw powder. The production method further includes compacting the raw powder into a green compact having a predetermined shape and includes sintering the green compact. A wear resistant sintered alloy exhibits a metallic structure in which 15 to 45% of a hard phase is dispersed in a matrix. The hard phase consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities.Type: ApplicationFiled: June 30, 2009Publication date: January 14, 2010Applicant: HITACHI POWDERED METALS CO., LTD.Inventor: Hideaki Kawata
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Publication number: 20090321405Abstract: A nickel (Ni), chromium (Cr), cobalt (Co), iron (Fe), molybdenum (Mo), manganese (Mn), aluminum (Al), titanium (Ti), niobium (Nb), silicon (Si) welding alloy, articles made therefrom for use in producing weldments and methods for producing these weldments. The welding alloy contains in % by weight about: 23.5 to 25.5% Cr, 15 to 22% Co, up to 3% Fe, up to 1% Mo, up to 1% Mn, 1.1 to 2.0% Al, 0.8 to 1.8% Ti, 0.8 to 2.2% Nb, 0.05 to 0.28% Si, up to 0.3% Ta, up to 0.3% W, 0.005 to 0.08% C, 0.001 to 0.3% Zr, 0.0008 to 0.006% B, up to 0.05% rare earth metals, up to 0.025% Mg plus optional Ca and the balance Ni including trace additions and impurities.Type: ApplicationFiled: June 22, 2009Publication date: December 31, 2009Applicant: HUNTINGTON ALLOYS CORPORATIONInventors: Brian A. Baker, Gaylord D. Smith, Ronald D. Gollihue
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Publication number: 20090324442Abstract: A method of fabricating a material having a high concentration of a carbide constituent. The method may comprise adding a carbide source to a biocompatible material in which a weight of the carbide source is at least approximately 10% of the total weight, heating the carbide source and the biocompatible material to a predetermined temperature to melt the biocompatible material and allow the carbide source to go into solution to form a molten homogeneous solution, and impinging the molten homogeneous solution with a high pressure fluid to form spray atomized powder having carbide particles. The size of a particle of carbide in the atomized powder may be approximately 900 nanometers or less. The biocompatible material may be cobalt chrome, the carbide source may be graphite, and the fluid may be a gas or a liquid.Type: ApplicationFiled: March 26, 2007Publication date: December 31, 2009Applicant: Howmedica Osteonics Corp.Inventors: Daniel E. Lawrynowicz, Aiguo Wang, Zongtao Zhang, Haitong Zeng
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Publication number: 20090263675Abstract: Known protective layers with a high Cr content form brittle phases which become even more brittle during use under the influence of carbon. The protective layer according to the invention has the composition 26% to 28% cobalt, 20% to 22% chromium, 7% to 8% aluminium, 0.5% to 0.7% yttrium and/or at least one equivalent metal from the group comprising scandium and the rare-earth elements, optionally silicon and/or rhenium and the rest made up of nickel.Type: ApplicationFiled: October 26, 2006Publication date: October 22, 2009Inventor: Werner Stamm
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Publication number: 20090257908Abstract: A high temperature, high strength Ni—Co—Cr alloy possessing essentially fissure-free weldability for long-life service at 538° C. to 816° C. contains in % by weight about: 23.5 to 25.5% Cr, 15-22% Co, 1.1 to 2.0% Al, 1.0 to 1.8 % Ti, 0.95 to 2.2% Nb, less than 1.0% Mo, less than 1.0% Mn, less than 0.3% Si, less than 3% Fe, less than 0.3% Ta, less than 0.3% W, 0.005 to 0.08% C, 0.01 to 0.3% Zr, 0.0008 to 0.006% B, up to 0.05% rare earth metals, 0.005% to 0.025% Mg plus optional Ca and the balance Ni including trace additions and impurities. The strength and stability is assured at 760° C. when the Al/Ti ratio is constrained to between 0.95 and 1.25. Further, the sum of Al+Ti is constrained to between 2.25 and 3.0. The upper limits for Nb and Si are defined by the relationship: (% Nb+0.95)+3.32(% Si)<3.16.Type: ApplicationFiled: April 8, 2009Publication date: October 15, 2009Applicant: HUNTINGTON ALLOYS CORPORATIONInventors: Brian A. Baker, Gaylord D. Smith, Ronald D. Gollihue
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Publication number: 20090252644Abstract: The invention relates to a dental alloy consisting of 20 to 35% chromium, 0 to 10% molybdenum, 0 to 3% manganese, 0.5 to 2% tin, 2 to 10% gallium, 2 to 8% indium, 0 to 8% silicon, 1.5 to 15% tungsten, 0.1 to 2% aluminum, cobalt as remainder, and impurities, and to the use of the dental alloy for the machining production of dental superstructures, in particular crowns, bridges and combined dental prostheses.Type: ApplicationFiled: February 23, 2006Publication date: October 8, 2009Inventor: Claudia Petroll
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Publication number: 20090222079Abstract: A medical device includes an alloy having chromium, niobium, and platinum, wherein the alloy forms at least a portion of the medical device.Type: ApplicationFiled: April 23, 2009Publication date: September 3, 2009Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventor: Jonathan S. Stinson
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Publication number: 20090175755Abstract: Alloy composition for the manufacture of protective coatings, comprising cobalt, nickel, chromium, aluminium, yttrium and iridium in amounts so as to obtain the phases ?, ? and ?, in particular for coating a super-alloy article. Preferably, such super-alloy article is a turbine component.Type: ApplicationFiled: December 28, 2005Publication date: July 9, 2009Applicant: ANSALDO ENERGIA S.P.AInventors: Sergio Corcoruto, Tatiana Falcinelli, Fabrizio Casadei
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Publication number: 20090175756Abstract: A noble alloy comprising at least 25 wt. % palladium; from 15 to 30 wt. % chromium; at least 5 wt. % molybdenum and/or tungsten; and a principal balance of nickel is provided. Dental products and methods of manufacturing dental products using such a nickel-chromium base noble alloy are also provided.Type: ApplicationFiled: October 3, 2008Publication date: July 9, 2009Inventors: Arun Prasad, Paul J. Cascone
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Publication number: 20090155120Abstract: Known protective layers with a high Cr content and additionally a silicon form brittle phases, which become even more brittle under the influence of carbon during use. The protective layer according to the invention has the composition 27% to 31% nickel, 23% to 29% chromium, 7% to 11% aluminum, 0.5% to 0.7% yttrium and/or at least one equivalent metal from the group comprising scandium and rare earth elements, optionally 0.6% to 0.8% silicon, optionally 0.5% to 0.7% zirconium and the remainder cobalt.Type: ApplicationFiled: November 30, 2006Publication date: June 18, 2009Inventor: Werner Stamm
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Publication number: 20090140030Abstract: A braze formulation for superalloys including nickel, chromium, optionally, cobalt, optionally, aluminum, optionally, boron, hafnium and tantalum, said braze formulation having a solidus temperature of no greater than about 1180° C. and a liquidus temperature of no greater than about 1250° C. Methods for brazing are also provided. The brazing formulations are robust with good ductility and have minimal embrittled phases or otherwise decreased braze integrity.Type: ApplicationFiled: October 30, 2007Publication date: June 4, 2009Inventors: Sundar Amancherla, Laurent Cretegny
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Patent number: 7531054Abstract: Embodiments of the present disclosure relate to nickel-base alloys and methods of direct aging nickel-base alloys. More specifically, certain embodiments of the present disclosure relate to methods of direct aging 718Plus® nickel-base alloy to impart improved mechanical properties, such as, but not limited to, tensile strength, yield strength, low cycle fatigue, fatigue crack growth, and creep and rupture life to the alloys. Other embodiments of the present disclosure relate to direct aged 718Plus® nickel-base alloy, and articles of manufacture made therefrom, having improved mechanical properties, such as, but not limited to, tensile strength, yield strength, low cycle fatigue, fatigue crack growth, and creep and rupture life.Type: GrantFiled: September 6, 2005Date of Patent: May 12, 2009Assignee: ATI Properties, Inc.Inventors: Richard L. Kennedy, Wei-Di Cao
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Publication number: 20090087338Abstract: A nickel base superalloy consisting of 20 to 40 wt % cobalt, 10 to 15 wt % chromium, 3 to 6 wt % molybdenum, 0 to 5 wt % tungsten, 2.5 to 4 wt % aluminium, 3.4 to 5 wt % titanium, 1.35 to 2.5 wt % tantalum, 0 to 2 wt % niobium, 0.5 to 1 wt % hafnium, 0 to 0.1 wt % zirconium, 0.01 to 0.05 wt % carbon, 0.01 to 0.05 wt % boron, 0 to 2 wt % silicon and the balance nickel plus incidental impurities. The gamma prime phase comprises (Ni/Co)3 (Al/Ti/Ta).Type: ApplicationFiled: September 4, 2008Publication date: April 2, 2009Applicant: ROLLS-ROYCE PLCInventors: Robert J. Mitchell, Mark C. Hardy
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Publication number: 20090068054Abstract: To provide a Ti—Ni—Nb alloy device which is a shape memory device excellent in response characteristics. The Ti—Ni—Nb alloy device is made of a Ti—Ni—Nb alloy which finishes transformation at a temperature lower than 10° C. after start of reverse transformation.Type: ApplicationFiled: May 23, 2006Publication date: March 12, 2009Applicant: NEC TOKIN CORPORATIONInventors: Michihide Ozawa, Kiyoshi Yamauchi, Yuji Sutou, Takamitsu Takagi, Shuzou Yamashita, Kouji Mori
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Publication number: 20090041611Abstract: A cobalt-based braze alloy composition comprises: 22 to 24.75% chromium by weight; 9 to 11% nickel by weight; 6.5 to 7.6% tungsten by weight; 3 to 4% tantalum by weight; 0.55 to 0.65% carbon by weight; 0.3 to 0.6% zirconium by weight; 0.15 to 0.3% titanium by weight; 1.5 to 2.6% boron by weight; 1 to 10% silicon by weight; and cobalt. There are also provided methods of using the same.Type: ApplicationFiled: August 7, 2007Publication date: February 12, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Sujith Sathian, Gene A. Murphy
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Publication number: 20090035175Abstract: An unactivated, poorly activatable hydrogen storage component and an activated hydrogen storage component are mixed to prepare a hydrogen storage material. When the hydrogen storage material is activated, the poorly activatable hydrogen storage component is converted to a hydrogen storable state in a remarkably short time. The poorly activatable hydrogen storage component may be a V—Cr—Ti hydrogen storage alloy having a body-centered cubic (BCC) crystal structure. The activated hydrogen storage component preferably is MgHx (0.1?x?2) doped with a nanoparticle of at least one atom selected from the group of Ni, Fe, Ti, Mn, and V.Type: ApplicationFiled: July 31, 2008Publication date: February 5, 2009Applicant: HONDA MOTOR CO., LTD.Inventors: Ryoji TAKENAWA, Takanori SUZUKI, Norio KOMURA, Izuru KANOYA, Mitsuya HOSOE
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Publication number: 20090004503Abstract: A protective coating system includes a coating having a composition that includes about 5-40 wt % of chromium, of about 5-35 wt % of aluminum, about 0.1-9 wt % of at least one of silicon, hafnium, or magnesium, about 0.05-2 wt % of a Group IIIB Periodic Table element, a non-zero amount less than 13 wt % of at least one noble metal selected from platinum, palladium, and gold, and a balance including nickel, cobalt or iron.Type: ApplicationFiled: June 27, 2007Publication date: January 1, 2009Inventors: Melvin Freling, Kevin W. Schlichting
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Publication number: 20080292737Abstract: A hard alloy material comprising tungsten carbide in an amount of less than 50 weight percent of the material, titanium carbide in an amount of at least about 30 weight percent, and a binder material of cobalt and nickel. In other aspects of the invention, molybdenum and/or chromium are included to further lower the thermal conductivity of the material. The thermal conductivity of the material of the invention is about 12 Watt/m° K or less.Type: ApplicationFiled: May 21, 2007Publication date: November 27, 2008Applicant: Kennametal Inc.Inventor: Debangshu Banerjee
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Publication number: 20080274010Abstract: This invention relates to alloys and wear resistant alloy powders useful for deposition through thermal spray devices. The alloys comprise from about 20 to 65 weight percent chromium, about 20 to 65 weight percent molybdenum, about 0.5 to 3 weight percent carbon, and about 10 to 45 weight percent nickel. The wear resistant alloy powders are useful for forming coatings having the same composition.Type: ApplicationFiled: May 26, 2005Publication date: November 6, 2008Inventors: William J. C. Jarosinski, Lewis B. Temples
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Publication number: 20080159905Abstract: A controlled combustion synthesis apparatus comprises an ignition system, a pressure sensor for detecting internal pressure, a nitrogen supply, a gas pressure control valve for feeding nitrogen and exhausting reaction gas, means for detecting the internal temperature of the reaction container, a water cooled jacket, and a cooling plate. A temperature control system controls the temperature of the reaction container by controlling the flow of cooling water supplied to the jacket and the cooling plate in response to the detected temperature. By combustion synthesizing, while controlling the internal pressure and temperature, the apparatus can synthesize a silicon alloy including 30-70 wt. % silicon, 10-45 wt. % nitrogen, 1-40 wt. % aluminum, and 1-40 wt % oxygen.Type: ApplicationFiled: April 19, 2007Publication date: July 3, 2008Applicant: ISMAN J CorporationInventors: Toshiyuki Watanabe, Masafumi Matsushita, Toshitaka Sakurai, Kazuya Sato, Yoko Matsushita
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Patent number: 7344676Abstract: 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 storage capacity of the hydrogen storage alloy may be reached in 30 seconds and 80% of the total hydrogen storage capacity may be desorbed from the hydrogen storage alloy in 90 seconds. The hydrogen storage alloys also have excellent stability which provides for long cycle life.Type: GrantFiled: December 19, 2003Date of Patent: March 18, 2008Assignee: Ovonic Hydrogen Systems LLCInventors: Kwo Young, Michael A. Fetcenko, Taihei Ouchi, Jun Im, Stanford R. Ovshinsky, Feng Li, Melanie Reinhout
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Patent number: 7316850Abstract: 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 composition. Further the modified MCrAlY coating has sufficient thickness such that a post-welding grinding operation to size the turbine blade to a desired dimension will not remove the modified MCrAlY coating entirely. The modified MCrAlY coating thus remains on the finished turbine blade tip after grinding.Type: GrantFiled: March 2, 2004Date of Patent: January 8, 2008Assignee: Honeywell International Inc.Inventors: Yiping Hu, William F. Hehmann
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Patent number: 7172661Abstract: A high precision alloy, and in particular, high-strength nickel-based amorphous compositions for fabrication of glass-coated microwires.Type: GrantFiled: September 20, 2004Date of Patent: February 6, 2007Assignee: Global Micro Wire Technologies Ltd.Inventors: Eliezer Adar, Ehud Yaffe
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Patent number: 6986951Abstract: 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, molybdenum 1–3%, cobalt the complement to 100%. The invention also relates to an application method of the alloy on organs subject to erosion by liquid, in particular vapour turbine blades, to reduce the metal erosion rate following impact with liquids.Type: GrantFiled: September 25, 2003Date of Patent: January 17, 2006Assignee: Nuovo Pignone Holdings S.p.A.Inventor: Massimo Giannozzi
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Patent number: 6929726Abstract: 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 texture, and in a mapping of EPMA analysis, a portion of which count number of detection sensitivity of the element is 22 or more is less than 60% by area ratio in a measurement area of 20×20 ?m. According to such a sputtering target, even when a sputtering method such as long throw sputtering or reflow sputtering is applied, giant dusts or large concavities can be suppressed in occurrence.Type: GrantFiled: January 8, 2004Date of Patent: August 16, 2005Assignee: Kabushiki Kaisha ToshibaInventors: Koichi Watanabe, Takashi Ishigami
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Patent number: 6921442Abstract: 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 high-temperature oxidation, without excessive cooling or surface protection. According to the present invention, a Ni base alloy having high-temperature strength and corrosion resistance includes Cr in a range of from 25 to 40 weight %, Al in a range of from 1.5 to 2.5 weight %, C in a range of from 0.1 to 0.5 weight %, W of 15 weight % or less, Mn of 2.0 weight % or less, Si in a range of from 0.3 to 6 weight %, Fe of 5% or less, and Ni of rest except inevitable impurities. When strength at high temperatures is allowed to be small, W is in a range of from 0 to 8%, and Si is in a range of from 0.3 to 1% or from 1 to 6%. In order to enhance strength at high temperatures, W is in a range of from 8 to 15, and Si is in a range of from 0.Type: GrantFiled: October 24, 2001Date of Patent: July 26, 2005Assignees: Ebara Corporation, Daido Tokushuko Kabushiki KaishaInventors: Manabu Noguchi, Kei Matsuoka, Hiroshi Yakuwa, Akira Uchino, Hideyuki Sakamoto, Michio Okabe, Yoshiyuki Sawada, Shigeki Ueta
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Patent number: 6852176Abstract: 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 acids.Type: GrantFiled: June 12, 2003Date of Patent: February 8, 2005Assignee: Deloro Stellite Holdings CorporationInventors: James B. C. Wu, Matthew X. Yao
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Patent number: 6767653Abstract: 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 method of making a turbine component comprises disposing a coating composition on a substrate, wherein the coating composition comprises tin and yttrium in an amount greater than or equal to about 0.1 atomic percent based upon the total coating composition. A crystalline coating comprises tin and yttrium in an amount greater than or equal to about 0.05 atomic percent based upon the total coating.Type: GrantFiled: December 27, 2002Date of Patent: July 27, 2004Assignee: General Electric CompanyInventors: Bernard Bewlay, Melvin Jackson, Ji-Cheng Zhao
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Patent number: 6756131Abstract: 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 resistant alloy composition has an excellent oxidation resistance and ductility and is suitable for use in a bonding layer of a thermal barrier coating material.Type: GrantFiled: December 11, 2002Date of Patent: June 29, 2004Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Hidetaka Oguma, Ikuo Okada, Taiji Torigoe, Kouji Takahashi
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Patent number: 6746782Abstract: 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 disposed between a metal substrate (e.g., a superalloy) and an oxidation-resistant coating, preventing the substantial diffusion of various elements at elevated service temperatures. A ceramic overcoat (e.g., based on zirconia) can be applied over the oxidation-resistant coating. Related methods for applying protective coatings to metal substrates are also described.Type: GrantFiled: June 11, 2001Date of Patent: June 8, 2004Assignee: General Electric CompanyInventors: Ji-Cheng Zhao, Melvin Robert Jackson
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Patent number: 6740448Abstract: 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 alloy; 2) a formation cycling requirement which is reduced to one tenth that of the base Ti—V—Zr—Ni—Mn—Cr electrochemical hydrogen storage alloy; or 3) an oxide surface layer having a higher electrochemical hydrogen storage catalytic activity than the base Ti—V—Zr—Ni—Mn—Cr electrochemical hydrogen storage alloy. The electrochemical hydrogen storage alloy includes an oxide surface having metallic particles dispersed therein, wherein the particles are from 10-40 Angstroms in size.Type: GrantFiled: May 16, 2001Date of Patent: May 25, 2004Assignee: Ovonic Battery Company, Inc.Inventors: Michael A. Fetcenko, Kwo Young, Stanford R. Ovshinsky, Benjamin Reichman, John Koch, William Mays
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Patent number: 6737194Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.Type: GrantFiled: October 10, 2002Date of Patent: May 18, 2004Assignee: Energy Conversion Devices, Inc.Inventors: Stanford R. Ovshinsky, Rosa T. Young, Baoquan Huang
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Patent number: 6736947Abstract: 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 texture, and in a mapping of EPMA analysis, a portion of which count number of detection sensitivity of the element is 22 or more is less than 60% by area ratio in a measurement area of 20×20 &mgr;m. According to such a sputtering target, even when a sputtering method such as long throw sputtering or reflow sputtering is applied, giant dusts or large concavities can be suppressed in occurrence.Type: GrantFiled: June 23, 2000Date of Patent: May 18, 2004Assignee: Kabushiki Kaisha ToshibaInventors: Koichi Watanabe, Takashi Ishigami
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Patent number: 6720088Abstract: 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 protecting an article from a high-temperature oxidative environment comprising disposing the diffusion barrier layer onto a substrate are presented.Type: GrantFiled: February 5, 2002Date of Patent: April 13, 2004Assignee: General Electric CompanyInventors: Ji-Cheng Zhao, Melvin Robert Jackson, Richard John Grylls, Ramgopal Darolia