Titanium, Zirconium, Or Hafnium Base Patents (Class 148/421)
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Patent number: 8844281Abstract: A heat engine includes a first rotatable pulley and a second rotatable pulley spaced from the first rotatable pulley. A shape memory alloy (SMA) element is disposed about respective portions of the pulleys at an SMA pulley ratio. The SMA element includes a first wire, a second wire, and a matrix joining the first wire and the second wire. The first wire and the second wire are in contact with the pulleys, but the matrix is not in contact with the pulleys. A timing cable is disposed about respective portions of the pulleys at a timing pulley ratio, which is different than the SMA pulley ratio. The SMA element converts a thermal energy gradient between the hot region and the cold region into mechanical energy.Type: GrantFiled: December 30, 2011Date of Patent: September 30, 2014Assignees: GM Global Technology Operations LLC, Dynalloy, Inc, The Regents of the University of MichiganInventors: Alan L. Browne, Nancy L. Johnson, John Andrew Shaw, Christopher Burton Churchill, Andrew C. Keefe, Geoffrey P. McKnight, Paul W. Alexander, Guillermo A. Herrera, James Ryan Yates, Jeffrey W. Brown
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Publication number: 20140286783Abstract: A method of fabricating a part made out of TA6Zr4DE titanium alloy including forging a blank in the alpha/beta domain to form a preform, hot die-stamping the preform to form a rough part in the beta domain of the titanium alloy, and heat treatment. During the die-stamping, the rough part is subjected throughout to local deformation c greater than or equal to 1.2, the die-stamping being terminated by immediate cooling at an initial cooling rate faster than 85° C./min. The method can be utilized to make a rotary part of a turbomachine.Type: ApplicationFiled: November 8, 2012Publication date: September 25, 2014Applicant: SNECMAInventors: Marion Derrien, Philippe Rochette
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Patent number: 8801875Abstract: A radiopaque alloy based on titanium nickelide and having shape memory and superelastic properties includes, according to one embodiment, at least one radiopaque alloying element selected from among gold, platinum, and palladium at a concentration of from about 10 at. % to about 20 at. %, and at least one additional alloying element selected from among aluminum, chromium, cobalt, iron, and zirconium, where the additional alloying element has a concentration of from about 0.5 at. % to about 4 at. %. The alloy includes titanium at a concentration of from about 48 at. % to about 52 at. %, and the balance of the alloy is nickel. The radiopaque alloy preferably exhibits superelastic behavior suitable for medical device applications in the human body.Type: GrantFiled: December 16, 2008Date of Patent: August 12, 2014Assignees: Cook Medical Technologies LLC, Lithotech Medical Ltd.Inventors: Valery Diamant, Dan Koren, Alexander I. Lotkov, Vladimir P. Sivokha, Liydmila L. Meysner, Viktor N. Grishkov, Vladimir P. Voronin
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Patent number: 8795441Abstract: The present invention relates to a method of reworking a composition comprising a substrate and an oxidation and/or nitridation layer on the surface of the substrate by treating the composition under reduced pressure or in an inert gas environment at an elevated temperature until the oxidation and/or nitridation layer is substantially removed from the surface. In this way, manufacturing efficiencies and yields are improved as material that would otherwise have been scrapped is now used.Type: GrantFiled: April 25, 2007Date of Patent: August 5, 2014Assignee: Smith & Nephew, Inc.Inventors: Vivek Pawar, Shilesh C. Jani, Carolyn Weaver
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Patent number: 8795445Abstract: There is provided a titanium plate having both high strength and good workability. The titanium plate is made of a titanium material in a plate shape, the titanium material consisting of by mass: more than 0.10% and less than 0.60% iron; more than 0.005% and less than 0.20% oxygen; less than 0.015% carbon; less than 0.015% nitrogen; less than 0.015% hydrogen; and balance titanium and unavoidable impurities, provided that the iron content is greater than the oxygen content, wherein the titanium plate has a two-phase structure of an ? phase and a ? phase and the circle-equivalent mean diameter of ? phase grains is 10 ?m or less.Type: GrantFiled: December 17, 2008Date of Patent: August 5, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Yoshihisa Shirai, Satoshi Matsumoto
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Publication number: 20140202601Abstract: The present invention relates to a method for producing forged components of a TiAl alloy, in particular turbine blades, wherein the components are forged and undergo a two-stage heat treatment after the forging process, the first stage of the heat treatment comprising a recrystallization annealing process for 50 to 100 minutes at a temperature below the ?/? transition temperature, and the second stage of the heat treatment comprising a stabilization annealing process in the temperature range of from 800° C. to 950° C. for 5 to 7 hrs, and the cooling rate during the first heat treatment stage being greater than or equal to 3° C./sec, in the temperature range between 1300° C. to 900° C.Type: ApplicationFiled: August 9, 2012Publication date: July 24, 2014Applicant: MTU AERO ENGINES AGInventors: Dietmar Helm, Falko Heutling, Ulrike Habel, Wilfried Smarsly
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Patent number: 8771590Abstract: The invention refers to the non-ferrous metallurgy, i.e. to the creation of the modern titanium alloys, having the high genericity. Titanium-base alloy contains aluminum, vanadium, molybdenum, chromium, iron, zirconium, oxygen and nitrogen. Herewith the components of the alloy have the following ratio by weight %; aluminun—4.0-6.0; vanadium—4.5-6.0; molybdenum—4.5-6.0; chromium—2.0-3.6; iron—0.2-0.5; zirconium—0.1-less than 0.7; oxygen—0.2 max; nitrogen—0.05 max; titanium—balance. Technical result—creation of the titanium alloy with the required strength and plastic properties. The alloy may be used to produce the wide range of the products including the large-size forgings and die-forgings as well as semiproducts of small section, such as bars and plates up to 75 mm thick.Type: GrantFiled: May 6, 2006Date of Patent: July 8, 2014Assignee: VSMPO-AVISMA CorporationInventors: Vladislav Valentinovich, Igor Vasilievich Levin, Igor Jurievich Puzakov
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Patent number: 8741077Abstract: Titanium-tungsten alloys are described comprising tungsten ranging from about 9% to about 20% by weight, and titanium ranging from about 91% to about 80% by weight, exhibiting a yield strength of at least 120,000 psi, and a ductility of at least 20% elongation. Methods of making the alloy, and products made with the alloys are also disclosed herein.Type: GrantFiled: February 22, 2011Date of Patent: June 3, 2014Assignee: Dynamet Technology, Inc.Inventors: Stanley Abkowitz, Susan M. Abkowitz, Harvey Fisher, Patricia J. Schwartz
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Publication number: 20140127068Abstract: Disclosed is a method of producing an object, the object being made of metal or an alloy, having a desired shape and being non-porous, the method comprising: providing some metal or alloy having a first average solute level; using the provided metal or alloy, performing a net-shape or near-net shape manufacturing process to produce an intermediate object, the intermediate object having the desired shape, being non-porous, and having a second average solute level, the second average solute level being greater than or equal to the first average solute level; and performing a solute level changing process on the intermediate object to change the solute level of at least the bulk of the intermediate object such as to provide the intermediate object with a third average solute level, thereby providing the object, the third average solute level being different to the second.Type: ApplicationFiled: June 6, 2012Publication date: May 8, 2014Inventor: Charles Malcolm Ward-Close
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Patent number: 8709178Abstract: The present invention provides a titanium material for hot rolling which enables reduction of defects on the surface (in the case of a flat material or strip coil, including not only the flat surfaces but also the side surfaces and edges) due to hot rolling. The titanium material for hot rolling has dimples imparted by cold plastic deformation whose mean value of the heights (Wc) of the undulation profile elements is 0.2 to 1.5 mm and mean value of the lengths (WSm) thereof is 3 to 15 mm. The invention also provides a method of producing the titanium material and a method of hot rolling the titanium material.Type: GrantFiled: February 8, 2010Date of Patent: April 29, 2014Assignees: Nippon Steel & Sumitomo Metal Corporation, Toho Titanium Co., Ltd.Inventors: Kazuhiro Takahashi, Tomonori Kunieda, Kenichi Mori, Hiroaki Otsuka, Hideki Fujii, Yoshimasa Miyazaki, Takashi Oda, Hisamune Tanaka, Osamu Tada, Norio Yamamoto
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Patent number: 8691142Abstract: Zr—Ti—Ni(Cu)-based filler alloy composition having low melting point for brazing titanium and titanium alloys is expressed as: ZraTibNic (Formula 1) where a, b and c denote atomic % of Zr, Ti and Ni, respectively; 47?a?52; 24?b?30; 22?c?26; and 0.3<c/(a+c)<0.35, or ZraTibNicCud (Formula 2) where a, b, c and d denote atomic % of Zr, Ti, Ni and Cu respectively; 48?a?60; 20?b?28; 19?c+d?30; 3?d?12; and 0.12<d/(c+d)?0.5. Including Zr(Ti) solid solution phase as major constituent phase, the alloy compositions have lower liquidus temperature than those of conventional alloys and they include a little amount of Cu or does not include it at all. When the alloy is used as filler alloy for brazing titanium and titanium alloys, brazing can be performed at remarkably low temperature. This can inhibit the microstructure of titanium base metal from changing and being damaged, keeping the titanium base metal preserving inherent properties after brazing.Type: GrantFiled: July 3, 2012Date of Patent: April 8, 2014Assignee: Korea Institute of Industrial TechnologyInventors: Seung-Yong Shin, Dong-Myoung Lee, Ju-Hyun Sun, Yong-Hwan Kim, Dong-Han Kang
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Patent number: 8668786Abstract: Formed alloy strips including zirconium alloy strips that demonstrate improved formability are disclosed. The strips of the present disclosure have a purity and crystalline microstructure suitable for improved formability, for example, in the manufacture of certain articles such as panels for plate exchangers and high performance tower packing components.Type: GrantFiled: July 16, 2012Date of Patent: March 11, 2014Assignee: ATI Properties, Inc.Inventor: Craig M. Eucken
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Publication number: 20140027024Abstract: A titanium slab for hot rolling comprised of a titanium slab obtain by smelting commercially pure titanium, wherein even if the breakdown process is omitted, the strip shaped coil after hot rolling is excellent in surface properties and a method of smelting that titanium slab are provided. The titanium slab according to the present invention is a titanium slab for hot rolling obtained by smelting commercially pure titanium including the ? phase stabilizing element Fe, wherein the formation of coarse ? phases is suppressed by making the average Fe concentration down to 10 mm from the surface layer of the surface which corresponds to at least the rolling surface of the titanium slab 0.01 mass % or less. A titanium slab obtained by smelting commercially pure titanium can be obtained by cooling until the surface becomes the ? transformation point or less, then reheating it to the ? transformation point or more, and gradually cooling from the slab surface layer.Type: ApplicationFiled: April 19, 2012Publication date: January 30, 2014Inventors: Yoshitsugu Tatsuzawa, Hideki Fujii, Tomonori Kunieda, Kazuhiro Takahashi
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Publication number: 20140010701Abstract: Alloys based on titanium aluminides, such as ? (TiAl) which may be made through the use of casting or powder metallurgical processes and heat treatments. The alloys contain titanium, 38 to 46 atom % aluminum, and 5 to 10 atom % niobium, and they contain composite lamella structures with B19 phase and ? phase there in a volume ratio of the B19 phase to ? phase 0.05:1 and 20:1.Type: ApplicationFiled: June 28, 2013Publication date: January 9, 2014Applicant: GKSS-Forschungszentrum Geesthacht GmbHInventors: Fritz Appel, Jonathan Paul, Michael Oehring
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Patent number: 8623155Abstract: Metastable beta titanium alloys and methods of processing metastable ?-titanium alloys are disclosed. For example, certain non-limiting embodiments relate to metastable ?-titanium alloys, such as binary ?-titanium alloys comprising greater than 10 weight percent molybdenum, having tensile strengths of at least 150 ksi and elongations of at least 12 percent. Other non-limiting embodiments relate to methods of processing metastable ?-titanium alloys, and more specifically, methods of processing binary ?-titanium alloys comprising greater than 10 weight percent molybdenum, wherein the method comprises hot working and direct aging the metastable ?-titanium alloy at a temperature below the ?-transus temperature of the metastable ?-titanium alloy for a time sufficient to form ?-phase precipitates in the metastable ?-titanium alloy. Articles of manufacture comprising binary ?-titanium alloys according to various non-limiting embodiments disclosed herein are also disclosed.Type: GrantFiled: October 26, 2010Date of Patent: January 7, 2014Assignee: ATI Properties, Inc.Inventors: Brian Marquardt, John Randolph Wood, Howard L. Freese, Victor R. Jablokov
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Publication number: 20130327448Abstract: A high-strength ?+? type hot-rolled titanium alloy sheet containing 0.8 to 1.5 mass % Fe, 4.8 to 5.5 mass % Al, 0.030 mass % N, O and N, wherein cracks are prevented from spreading, wherein: (a) ND represents normal direction of a hot-rolled sheet; RD represents hot rolling direction; TD represents hot rolling width direction; ? represents the angle formed between c axis and ND; ? represents angle formed between plane including c axis and ND, and a plane including ND and TD; (b1) XND represents highest (0002) relative intensity of X-ray reflection by grains when ? is from 0° to 30°; (b2) XTD represents the highest (0002) relative intensity of the X-ray reflection caused by grains when ? is from 80° to 100° and ? is ±10°. (c) The high-strength ?+? type hot-rolled titanium alloy sheet has a value for XTD/XND of at least 4.0. Q(%)=[O]+2.77·[N].Type: ApplicationFiled: February 24, 2012Publication date: December 12, 2013Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Akira Kawakami, Hideki Fujii
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Publication number: 20130327449Abstract: An ?+? type hot-rolled titanium alloy sheet, wherein: (a) ND represents the normal direction of a hot-rolled sheet; RD represents the hot rolling direction; TD represents the hot rolling width direction; ? represents the angle formed between the orientation of c axis and the ND; ? represents the angle formed between a plane including the orientation of the c axis and the ND, and a plane including the ND and the TD; (b1) XND represents the highest (0002) relative intensity of the X-ray reflection caused by crystal grains when ? is from 0° to 30° and ? is within the entire circumference; (b2) XTD represents the highest (0002) relative intensity of the X-ray reflection caused by crystal grains when ? is from 80° to 100° and ? is ±10°. (c) The ?+? type titanium alloy sheet has a value for XTD/TND of at least 5.0.Type: ApplicationFiled: February 24, 2012Publication date: December 12, 2013Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Akira Kawakami, Hideki Fujii
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Patent number: 8597443Abstract: A method of forming an article from an ?-? titanium including, in weight percentages, from about 2.9 to about 5.0 aluminum, from about 2.0 to about 3.0 vanadium, from about 0.4 to about 2.0 iron, from about 0.2 to about 0.3 oxygen, from about 0.005 to about 0.3 carbon, from about 0.001 to about 0.02 nitrogen, and less than about 0.5 of other elements. The method comprises cold working the ?-? titanium alloy.Type: GrantFiled: September 12, 2011Date of Patent: December 3, 2013Assignee: ATI Properties, Inc.Inventors: John J. Hebda, Randall W. Hickman, Ronald A. Graham
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Patent number: 8597442Abstract: A method of forming an article from an ??? titanium including, in weight percentages, from about 2.9 to about 5.0 aluminum, from about 2.0 to about 3.0 vanadium, from about 0.4 to about 2.0 iron, from about 0.2 to about 0.3 oxygen, from about 0.005 to about 0.3 carbon, from about 0.001 to about 0.02 nitrogen, and less than about 0.5 of other elements. The method comprises cold working the ??? titanium alloy.Type: GrantFiled: September 12, 2011Date of Patent: December 3, 2013Assignee: ATI Properties, Inc.Inventors: John J. Hebda, Randall W. Hickman, Ronald A. Graham
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Publication number: 20130284325Abstract: An alloy having an ?? martensite which is a processing starting structure is hot worked. The alloy is heated at a temperature increase rate of 50 to 800° C./sec, and strain is given at not less than 0.5 by a processing strain rate of from 0.01 to 10/sec in a case of a temperature range of 700 to 800° C., or by a processing strain rate of 0.1 to 10/sec in a case of a temperature range of 800° C. to 1000° C. By generating equiaxial crystals having average crystal particle diameters of less than 1000 nm through the above processes, a titanium alloy having high strength and high fatigue resistant property can be obtained, in which hardness is less than 400 HV, tensile strength is not less than 1200 MPa, and static strength and dynamic strength are superior.Type: ApplicationFiled: November 22, 2011Publication date: October 31, 2013Applicants: TOHOKU UNIVERSITY, NHK SPRING CO., LTD.Inventors: Sang-Hak Lee, Yoshiki Ono, Hiroaki Matsumoto, Akihiko Chiba
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Patent number: 8568540Abstract: Metastable beta titanium alloys and methods of processing metastable ?-titanium alloys are disclosed. For example, certain non-limiting embodiments relate to metastable ?-titanium alloys, such as binary ?-titanium alloys comprising greater than 10 weight percent molybdenum, having tensile strengths of at least 150 ksi and elongations of at least 12 percent. Other non-limiting embodiments relate to methods of processing metastable ?-titanium alloys, and more specifically, methods of processing binary ?-titanium alloys comprising greater than 10 weight percent molybdenum, wherein the method comprises hot working and direct aging the metastable ?-titanium alloy at a temperature below the ?-transus temperature of the metastable ?-titanium alloy for a time sufficient to form ?-phase precipitates in the metastable ?-titanium alloy. Articles of manufacture comprising binary ?-titanium alloys according to various non-limiting embodiments disclosed herein are also disclosed.Type: GrantFiled: August 17, 2010Date of Patent: October 29, 2013Assignee: ATI Properties, Inc.Inventors: Brian Marquardt, John Randolph Wood, Howard L. Freese, Victor R. Jablokov
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Patent number: 8562763Abstract: A high strength ?+?-type titanium alloy, containing, by mass %, 4.4% to less than 5.5% of Al, 1.4% to less than 2.1% of Fe, and 1.5 to less than 5.5% of Mo and including, as impurities, Si suppressed to less than 0.1% and C suppressed to less than 0.01% and a balance of Ti and unavoidable impurities.Type: GrantFiled: April 5, 2005Date of Patent: October 22, 2013Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Hiroaki Otsuka, Hideki Fujii, Mitsuo Ishii
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Patent number: 8551264Abstract: A method of manufacturing fine grain titanium alloy sheets that is suitable for superplastic forming (SPF) is disclosed. In one embodiment, a high strength titanium alloy comprising: Al: about 4.5% to about 5.5%, V: about 3.0% to about 5.0%, Mo: about 0.3% to about 1.8%, Fe: about 0.2% to about 0.8%, O: about 0.12% to about 0.25% with balance titanium is forged and hot rolled to sheet bar, which is then fast-cooled from a temperature higher than beta transus. According to this embodiment, the sheet bar is heated between about 1400° F. to about 1550° F. and rolled to intermediate gage. After reheating to a temperature from about 1400° F. to about 1550° F., hot rolling is performed in a direction perpendicular to the previous rolling direction to minimize anisotropy of mechanical properties. The sheets are then annealed at a temperature between about 1300° F. to about 1550° F. followed by grinding and pickling.Type: GrantFiled: June 17, 2012Date of Patent: October 8, 2013Assignee: Titanium Metals CorporationInventors: Yoji Kosaka, Phani Gudipati
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Publication number: 20130251478Abstract: Disclosed is a method for manufacturing titanium-alloy articles that includes, before machining, heat treating a slug of titanium-alloy at a temperature sufficient to form a layer of alpha case on the surface of the slug of titanium-alloy, then, after heat treating, machining the slug of titanium-alloy to form a finished part while removing material from all surfaces of the slug of titanium-alloy. Also disclosed is an article of manufacture made with the described method.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Inventors: Paul G. Felski, Arthur Brian McGuire
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Patent number: 8530088Abstract: A method of preparing nanoparticles includes using low-temperature plasma and a pulsed second process gas. Nanoparticles having uniform sizes and nanoparticles having a core-shell structure may be formed. A lithium battery includes an electrode that includes the nanoparticles.Type: GrantFiled: April 3, 2009Date of Patent: September 10, 2013Assignee: Samsung Electronics Co., Ltd. and Sungkyunkwan University Foundation for Corporate CollaborationInventors: Jin-hwan Park, Tae-sung Kim, Kwang-su Kim
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Patent number: 8512486Abstract: The present invention provides a beta-type titanium alloy including, by weight %: Nb: 10 to 25%; Cr: 1 to 10%; at least one of Zr: 10% or less and Sn: 8% or less, satisfying Zr+Sn being 10% or less; and the balance of Ti and inevitable impurities, the alloy having Young's modulus of 100 GPa or less, a process for producing the beta-type titanium alloy, and a beta-type titanium alloy product.Type: GrantFiled: April 3, 2007Date of Patent: August 20, 2013Assignee: Daido Tokushuko Kabushiki KaishaInventors: Yoshihiko Koyanagi, Michiharu Ogawa, Tetsuya Shimizu
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Patent number: 8500928Abstract: A method of making sputter targets using rotary axial forging is described. Other thermomechanical working steps can be used prior to and/or after the forging step. Sputter targets are further described which can have unique grain size and/or crystal structures.Type: GrantFiled: July 18, 2012Date of Patent: August 6, 2013Assignee: Global Advanced Metals, USA, Inc.Inventors: John P. Matera, Robert B. Ford, Charles E. Wickersham, Jr.
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Patent number: 8492002Abstract: An alloy having from about 5 to about 15 wt % Ta, from 0 to about 5 wt % Nb, from about 0.5 to about 15 wt % Zr, and the balance Ti is disclosed. The alloy is particularly intended for medical devices, such as implants for the body.Type: GrantFiled: September 23, 2009Date of Patent: July 23, 2013Assignee: Sandvik Intellectual Property ABInventor: Susanne Norgren
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Publication number: 20130180627Abstract: Disclosed is a metal-metal oxide composite material for dental prosthesis, which has a white surface with good aesthetic quality and includes a titanium or titanium alloy substrate; and an oxidation layer present on a surface of the substrate. The metal-metal oxide composite material is manufactured by subjecting the substrate to a heat treatment at a temperature of around 1000° C. in an oxygen-containing atmosphere to form the oxidation layer on the surface of the substrate with good adhesion.Type: ApplicationFiled: September 4, 2012Publication date: July 18, 2013Applicant: NAGOYA INSTITUTE OF TECHNOLOGYInventors: Eri MIURA, Soichiro YAMADA, Yoshimi WATANABE, Hisashi SATO, Toshihiro KASUGA, Mitsuo NIINOMI
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Patent number: 8486330Abstract: Disclosed is Zr—Ti—Ni(Cu)-based filler alloy composition having low melting point for brazing titanium and titanium alloys. The Zr—Ti—Ni(Cu)-based alloy composition is expressed as: ZraTibNic (Formula 1) where a, b and c denote atomic % of Zr, Ti and Ni, respectively; 47?a?52; 24?b?30; 22?c?26; and 0.3<c/(a+c)<0.35, or ZraTibNicCud (Formula 2) where a, b, c and d denote atomic % of Zr, Ti, Ni and Cu respectively; 48?a?60; 20?b?28; 19?c+d?30; 3?d?12; and 0.12<d/(c+d)?0.5. Including Zr(Ti) solid solution phase as its major constituent phase, the alloy compositions of this invention have lower liquidus temperature than those of conventional alloys and they include a little amount of Cu or does not include it at all. When alloy of the present invention is used as filler alloy for brazing titanium and titanium alloys, brazing can be performed at remarkably low temperature.Type: GrantFiled: August 7, 2008Date of Patent: July 16, 2013Assignees: Korea Institute of Industrial Technology, Yosan Eng. Ltd.Inventors: Seung-Yong Shin, Dong-Myoung Lee, Ju-Hyun Sun, Yong-Hwan Kim, Dong-Han Kang
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Patent number: 8431231Abstract: The present invention provides a titanium material having high-temperature oxidation resistance at high temperatures above 800° C. and an exhaust pipe made of this titanium material for an engine. A titanium alloy contains 0.15 to 2% by mass Si, has an Al content below 0.30% by mass, and has equiaxial structure having a mean grain size of 15 ?m or above. The high-temperature oxidation resistance of the titanium alloy at high temperatures above 800° C., such as 850° C., is improved by means including adding Nb, Mo and Cr in combination with Si to the titanium alloy, forming equiaxial structure of coarse grains, creating acicular structure, Si-enrichment of a surface layer of the titanium alloy, and reducing impurities including copper, oxygen and carbon contained in the titanium alloy.Type: GrantFiled: March 29, 2007Date of Patent: April 30, 2013Assignee: Kobe Steel, Ltd.Inventors: Takashi Yashiki, Kenji Yamamoto, Eiichiro Yoshikawa
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Patent number: 8377342Abstract: A titanium suboxide powder comprising Ti4O7, Ti5O9 and Ti6O11, wherein the Ti4O7, Ti5O9 and Ti6O11 provide over 92% of the powder, and wherein the Ti4O7 is present at above 30% of the total powder.Type: GrantFiled: August 19, 2008Date of Patent: February 19, 2013Assignee: Atraverda LimitedInventors: Keith Ellis, Vaughan Griffiths, David Pugh, Adam Morgan
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Patent number: 8359732Abstract: A method of manufacturing an optimized sheet metal (1) of a zirconium based alloy is described, which optimized sheet metal (1) defines a sheet plane (BA). The method comprises the steps of providing a sheet metal (2) of a zirconium based. alloy, subjecting the sheet metal (2) to at least a preparing cold rolling and a final cold rolling, wherein the preparing cold rolling and the final cold rolling are both performed in a common rolling direction, and heat treating the sheet metal (1) between the preparing cold rolling and the final cold rolling so that the zirconium based alloy is partially re-crystallized. A method of manufacturing a spacer grid using an optimized sheet metal (1) according to the invention is also described.Type: GrantFiled: January 15, 2008Date of Patent: January 29, 2013Assignee: Westinghouse Electric Sweden ABInventors: Lars Hallstadius, Mats Dahlbäck, John Bates, James Dougherty, Steven J. King, Robert J. Comstock
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Patent number: 8349096Abstract: An oxidation resistant, high strength titanium alloy, particularly adapted for use in the manufacture of automotive exhaust system components and other applications requiring oxidation resistance and strength at elevated temperatures. The alloy comprises, in weight percent, iron less than 0.5, or 0.2 to less than 0.5%, oxygen 0.02 to less than 0.15%, silicon 0.15 to 0.6%, and balance titanium. Optional alloying elements are Al, Nb, V, Mo, Sn, Zr, Ni, Cr and Ta, with a total content of less than 1.5.Type: GrantFiled: August 2, 2010Date of Patent: January 8, 2013Assignee: Titanium Metals CorporationInventors: Yoji Kosaka, Stephen P. Fox
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Publication number: 20130001069Abstract: According to an embodiment, two or more sets of knead forging are performed where one set is cold forging processes in directions parallel to and perpendicular to a thickness direction of a columnar titanium material. The titanium material is heated to a temperature of 700° C. or more to induce recrystallization, and thereafter, two or more sets of knead forging are performed where one set is the cold forging processes in the directions parallel to and perpendicular to the thickness direction. Further, the titanium material is cold rolled, and is heat-treated to a temperature of 300° C. or more.Type: ApplicationFiled: September 10, 2012Publication date: January 3, 2013Inventors: Nobuaki NAKASHIMA, Takashi Sano
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Patent number: 8337750Abstract: One aspect of the present disclosure is directed to a metastable ? titanium alloy comprising, in weight percentages: up to 0.05 nitrogen; up to 0.10 carbon; up to 0.015 hydrogen; up to 0.10 iron; greater than 0.20 oxygen; 14.00 to 16.00 molybdenum; titanium; and incidental impurities. Articles of manufacture including the alloy also are disclosed.Type: GrantFiled: November 8, 2005Date of Patent: December 25, 2012Assignee: ATI Properties, Inc.Inventors: Victor R. Jablokov, Howard L. Freese
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Patent number: 8333850Abstract: A Zr-based amorphous alloy and a method of preparing the same are provided. The Zr-based amorphous alloy is represented by the general formula of (ZraM1-a)100-xOx, in which a is an atomic fraction of Zr, and x is an atomic percent of 0, in which: 0.3?a?0.9, and 0.02?x?0.6; and M represents at least three elements selected from the group consisting of transition metals other than Zr, Group IIA metals, and Group IIIA metals.Type: GrantFiled: December 2, 2011Date of Patent: December 18, 2012Assignee: BYD Company LimitedInventors: Qing Gong, Faliang Zhang, Yunchun Li, Jiangtao Qu, Xiaolei Hu
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Patent number: 8323424Abstract: An alloy disc includes a hub portion, a rim portion and a web portion disposed between the hub portion and the rim portion. The disc includes a fine grain structure substantially in a first region of the disc and a coarse grain structure substantially in a second region of the disc. The fine grain structure may be in the hub portion of the disc, and the coarse grain structure may be in the rim portion of the disc. The coarse grain structure may extend a greater distance radially inwardly from the rim portion into the web portion on the first axial end of the disc than on the second axial end of the disc. The fine grain structure may extend a greater distance radially outwardly from the hub portion into the web portion on the second axial end of the disc than on the first axial end of the disc.Type: GrantFiled: April 29, 2011Date of Patent: December 4, 2012Assignee: Rolls-Royce PLCInventors: Robert J. Mitchell, David Ulrich Furrer, Joseph Andrew Lemsky, Mark C. Hardy
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Patent number: 8313841Abstract: The present invention relates to a device comprising a substrate based essentially on nitinol and, arranged thereon at least partially, a covering or a coating based on at least one polyphosphazene derivative having the general formula (I), a process for its production, and the use of the device as an artificial implant, vascular or nonvascular stent, catheter, thrombolectomy or embolectomy catheter, fragmentation spindle or catheter, filter, vascular connector, hernia patch, oral, dental or throat implant or urether.Type: GrantFiled: January 23, 2012Date of Patent: November 20, 2012Assignee: CeloNova BioSciences Germany GmbHInventors: Andreas Schuessler, Michael Grunze, Roman Denk
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Patent number: 8293032Abstract: A process which can make a titanium alloy bolt at ambient temperature is disclosed. A Ti—Fe—O alloy is used as a material. It has a screw thread formed thereon by drawing and rolling.Type: GrantFiled: March 29, 2006Date of Patent: October 23, 2012Assignees: Honda Motor Co., Ltd., Meira Co., Ltd.Inventors: Hiroyuki Horimura, Kosuke Doi, Hideaki Sumitomo
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Publication number: 20120255657Abstract: A method of improving the properties of a component of a medical device entails constraining the component, which comprises about 45-55 at. % Ni, about 45-55 at. % Ti, and about 0.3 at. % Cr, into a predetermined configuration. The component also includes at least about 35% cold work. The component is heated during the constraining at a temperature of between about 425° C. and about 500° C. for a time duration of between about 5 minutes and about 30 minutes, thereby improving the superelastic and mechanical properties of the component. A medical device includes a superelastic component for use in a body vessel that comprises about 45-55 at. % Ni, about 45-55 at. % Ti, and about 0.3 at. % Cr, where the component has an upper plateau strength of at least about 75 ksi, a residual elongation of about 0.1% or less, and an austenite finish temperature (Af) of about 30° C. or less.Type: ApplicationFiled: November 17, 2010Publication date: October 11, 2012Inventor: James M. Carlson
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Patent number: 8262816Abstract: A hafnium alloy target containing either or both of Zr and Ti in a gross amount of 100 wtppm-10 wt % in Hf, wherein the average crystal grain size is 1-100 ?m, the impurities of Fe, Cr and Ni are respectively 1 wtppm or less, and the habit plane ratio of the plane {002} and three planes {103}, {014} and {015} lying within 35° from {002} is 55% or greater, and the variation in the total sum of the intensity ratios of these four planes depending on locations is 20% or less. As a result, obtained is a hafnium alloy target having favorable deposition property and deposition speed, which generates few particles, and which is suitable for forming a high dielectric gate insulation film such as HfO or HfON film, and the manufacturing method thereof.Type: GrantFiled: October 28, 2008Date of Patent: September 11, 2012Assignee: JX Nippon Mining & Metals CorporationInventors: Takeo Okabe, Shuichi Irumata, Yasuhiro Yamakoshi, Hirohito Miyashita, Ryo Suzuki
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Patent number: 8262819Abstract: The present disclosure describes methods of heat treating Ti-based alloys and various improvements that can be realized using such heat treatments. In one exemplary implementation, the invention provides a method of forming a metal member that involves forming an alloy into a utile shape and cooling the alloy from a first temperature above a beta transus temperature of the alloy to a second temperature below the beta transus temperature at a cooling rate of no more than about 30° F./minute. If so desired, the alloy my be treated for a period of about 1-12 hours at about 700-1100° F. Titanium alloys treated according to aspects of the invention may have higher tensile strengths and higher fracture toughness than conventional wrought, mill-annealed Ti 64 alloy.Type: GrantFiled: July 6, 2010Date of Patent: September 11, 2012Assignee: The Boeing CompanyInventor: Robert D. Briggs
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Patent number: 8257518Abstract: The invention concerns a method of producing and treating a sheet suited to be used as a component or as a part of a component in a fuel assembly for a nuclear light water reactor, which method comprises: a) producing a sheet of a Zr-based alloy by forging, hot rolling and cold rolling in a suitable number of steps, b) carrying out an ?+? quenching or a ? quenching of the sheet when the sheet has been produced to a thickness which is equal to or almost equal to the final thickness of the finished sheet, c) heat treating the sheet in the ?-phase temperature range of said alloy, wherein the sheet is stretched during the heat treatment according to step c). The invention also concerns a use of a sheet that is produced and treated according to this method, and to methods and fuel assemblies of which said sheet forms a part.Type: GrantFiled: January 7, 2004Date of Patent: September 4, 2012Assignee: Westinghouse Electric Sweden ABInventor: Mats Dahlbäck
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Publication number: 20120216921Abstract: Method, and articles therefrom, for providing a hard, abrasion-resistant, attractive, oxide surface layer of selectable thickness and having an outer appearance within the scale from gray to black, to a zirconium titanium alloy article by heating the article in an oxygen containing atmosphere.Type: ApplicationFiled: April 9, 2012Publication date: August 30, 2012Inventor: Gad Zak
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Patent number: 8252130Abstract: Surface processing of titanium alloy members for aerospace equipment imparts high wear resistance, lubricity and high fatigue strength. The method includes an oxygen diffusion step for causing oxygen to diffuse and penetrate in solid solution form into a surface of a titanium alloy member under an oxygen-containing gas atmosphere and a particle bombardment step for bombarding the surface of the titanium alloy member with an airflow containing particles. The aerospace equipment can include a flap rail member and slat rail member for aircraft.Type: GrantFiled: February 16, 2005Date of Patent: August 28, 2012Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Kazuyuki Oguri, Takashi Kimura, Takahiro Sekigawa, Takayuki Takahashi
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Patent number: 8253068Abstract: A method of cutting bulk amorphous alloy includes: positioning a target cutting path of the bulk amorphous alloy in an atmosphere of an inert gas; cutting the target cutting path to form a cut surface using a pulsed laser; and removing a plurality of burrs located on the cut surface produced during the cut.Type: GrantFiled: June 15, 2010Date of Patent: August 28, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Xiao-Bo Yuan, Yi-Min Jiang, Yang-Yong Li
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Patent number: 8252126Abstract: A method of making sputter targets using rotary axial forging is described. Other thermomechanical working steps can be used prior to and/or after the forging step. Sputter targets are further described which can have unique grain size and/or crystal structures.Type: GrantFiled: May 4, 2005Date of Patent: August 28, 2012Assignee: Global Advanced Metals, USA, Inc.Inventors: John P. Matera, Robert B. Ford, Charles E. Wickersham, Jr.
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Patent number: 8241438Abstract: A hafnium alloy target containing either or both of Zr and Ti in a gross amount of 100 wtppm-10 wt % in Hf, wherein the average crystal grain size is 1-100 ?m, the impurities of Fe, Cr and Ni are respectively 1 wtppm or less, and the habit plane ratio of the plane {002} and three planes {103}, {014} and {015} lying within 35° from {002} is 55% or greater, and the variation in the total sum of the intensity ratios of these four planes depending on locations is 20% or less. As a result, obtained is a hafnium alloy target having favorable deposition property and deposition speed, which generates few particles, and which is suitable for forming a high dielectric gate insulation film such as HfO or HfON film, and the manufacturing method thereof.Type: GrantFiled: October 28, 2008Date of Patent: August 14, 2012Assignee: JX Nippon Mining & Metals CorporationInventors: Takeo Okabe, Shuichi Irumata, Yasuhiro Yamakoshi, Hirohito Miyashita, Ryo Suzuki
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Patent number: 8241440Abstract: Methods for producing zirconium strips that demonstrate improved formability are disclosed. The zirconium strips of the present disclosure have a purity and crystalline microstructure suitable for improved formability, for example, in the manufacture of certain articles such as panels for plate heat exchangers and high performance tower packing components. Other embodiments disclosed herein relate to formed substantially pure zirconium strip, articles of manufacture produced from the substantially pure zirconium strip, and methods for making the articles of manufacture.Type: GrantFiled: February 7, 2011Date of Patent: August 14, 2012Assignee: ATI Properties, Inc.Inventor: Craig M. Eucken