Titanium Base Patents (Class 420/417)
  • Patent number: 11390935
    Abstract: A titanium alloy material contains: in mass %, Cu: 0.7% to 1.4%; Sn: 0.5% to 1.5%; Si: 0.10% to 0.45%; Nb: 0.05% to 0.50%; Fe: 0.00% to 0.08%; O: 0.00% to 0.08%; and the balance composed of Ti and impurities, in which in a structure, an area fraction of an ? phase is 96.0% or more and an area fraction of an intermetallic compound is 1.0% or more, and an average crystal grain size of the ? phase is 10 ?m or more and 100 ?m or less and an average grain size of the intermetallic compound is 0.1 to 3.0 ?m.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: July 19, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hidenori Takebe, Sosuke Nishiwaki, Tomonori Kunieda
  • Patent number: 11136650
    Abstract: A titanium alloy melt includes about 7.0 to about 9.0 percent by weight vanadium (V), about 3.0 to about 4.5 percent by weight aluminum (Al), about 0.8 to about 1.5 percent by weight iron (Fe), at most about 0.15 percent by weight oxygen (O), and titanium (Ti) and a titanium alloy powder, formed from the titanium alloy melt, includes about 7.0 to about 9.0 percent by weight vanadium (V), about 3.0 to about 4.5 percent by weight aluminum (Al), about 0.8 to about 1.5 percent by weight iron (Fe), at most about 0.18 percent by weight oxygen (O), and titanium (Ti).
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: October 5, 2021
    Assignee: The Boeing Company
    Inventors: Joe Pecina, Robert Burkett, Gary M. Backhaus
  • Patent number: 11008639
    Abstract: A sintered Ti alloy comprising: 4 to 6 wt. % iron; 1 to 4 wt. % aluminium or 1 to 3 wt. % copper; >0 to 0.5 wt. % silicon; >0 to 0.3 wt. % boron; >0 to 1 wt. % lanthanum, and the balance being titanium with incidental impurities. In the associated powder metallurgy formation process, the boron and lanthanum content is preferably introduced into a blended powder mixture in the form of lanthanum boride (LaB6).
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: May 18, 2021
    Assignee: Baoshan Iron & Steel Co., Ltd.
    Inventors: Yafeng Yang, Ma Qian, Shudong Luo, Jifeng Sun, Aijun Huang
  • Patent number: 10947162
    Abstract: A braze alloy for joining or repairing ceramic matrix composite (CMC) components comprises a braze composition including silicon at a concentration from about 48 at. % to about 66 at. %, titanium at a concentration from about 1 at. % to about 35 at. %, and an additional element selected from aluminum, cobalt, vanadium, nickel, and chromium. The braze composition comprises a melting temperature of less than 1300° C.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: March 16, 2021
    Assignees: ROLLS-ROYCE CORPORATION, TRUSTEES OF THE COLORADO SCHOOL OF MINES
    Inventors: Scott Nelson, Raymond Xu, Sean Landwehr, Juan Wei, Stephen Liu, Juan Carlos Madeni
  • Patent number: 10934607
    Abstract: A titanium sintered body is composed of a material containing titanium, and has an oxygen content of 2500 ppm by mass or more and 5500 ppm by mass or less and a surface Vickers hardness of 250 or more and 500 or less. It is preferred that an ?-phase and a ?-phase are contained as crystal structures, and an area ratio occupied by the ?-phase in a cross section is 70% or more and 99.8% or less. It is also preferred that in an X-ray diffraction spectrum obtained by X-ray diffractometry, the value of a peak reflection intensity by the plane orientation (110) of the ?-phase is 5% or more and 60% or less of the value of a peak reflection intensity by the plane orientation (100) of the ?-phase. It is also preferred that particles composed mainly of titanium oxide are included.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: March 2, 2021
    Inventors: Hidefumi Nakamura, Taku Kawasaki
  • Patent number: 10640859
    Abstract: An aspect of the present invention is a production method of a rolled sheet for cold-rolling, the method being characterized by including: a hot-rolling step for forming a rolled sheet by hot-rolling a pure titanium material while coiling; and an annealing step for annealing the hot-rolled sheet after the hot-rolling step, the coiling temperature in the hot-rolling step being 500° C. or less, and the annealing step being controlled so that the percentage area of recrystallized grains in the microstructure of the hot-rolled sheet after annealing is at least 90% and the mean grain size of the recrystallized grains is 5 ?m to 10 ?m.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: May 5, 2020
    Assignee: Kobe Steel, Ltd.
    Inventors: Kazuya Kimijima, Masanori Kobayashi, Tohru Shiogama, Keitaro Tamura, Yasuyuki Fujii
  • Patent number: 10589344
    Abstract: A method for forming a mold for casting a titanium-containing article, the method including combining calcium aluminate with a liquid to produce an initial slurry of calcium aluminate and adding oxide particles into the initial slurry to create a final slurry. The method further includes introducing the final slurry into a mold cavity that contains a fugitive pattern and allowing the final slurry to cure in the mold cavity to form a mold of a titanium-containing article.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: March 17, 2020
    Assignee: General Electric Company
    Inventors: Bernard Patrick Bewlay, Stephen Bancheri, Michael Weimer, Joan McKiever, Brian Ellis
  • Patent number: 10494698
    Abstract: Methods of preparing Zr based metallic using Zr sponge refined by a refining process are described. An exemplary method includes heating Zr sponge in a processing chamber with an electron-beam-heating apparatus or an arc-melting apparatus under a desired pressure condition to release volatile contaminants from the Zr sponge, introducing a purge gas into the processing chamber and permitting the purge gas to intermingle with at least some of the released volatile contaminants, evacuating the processing chamber to extract at least some of the purge gas and released volatile contaminants, repeating the heating of the Zr sponge, the introducing of the purge gas, and the evacuating of the processing chamber release and evacuate additional volatile contaminants from the Zr sponge to provide a processed Zr sponge with enhanced purity, and melting the processed Zr sponge with multiple other alloy constituents to provide a Zr-based metallic alloy.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: December 3, 2019
    Assignee: Materion Corporation
    Inventor: James A. Yurko
  • Patent number: 10227677
    Abstract: A titanium alloy including by mass %, a platinum group metal: 0.01 to 0.15% and a rare earth metal: 0.001 to 0.10%, with the balance being Ti and impurities. The titanium alloy preferably includes as a partial replacement for Ti, Co: 0.05 to 1.00% by mass, and the content of the platinum group metal is preferably in the range of 0.01 to 0.05% by mass. Furthermore, it is preferred that the platinum group metal be Pd and the rare earth metal be Y. Consequently, it is possible to provide a titanium alloy having corrosion resistance comparable to or better than that of the conventional art as well as good workability while offering an economic advantage with a lower content of platinum group metal or an advantage of less likelihood of corrosion growth originating at defects such as flaws that occurred in the surface.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: March 12, 2019
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hideya Kaminaka, Yoshihisa Yonemitsu, Satoshi Matsumoto, Kouichi Takeuchi
  • Patent number: 10167673
    Abstract: Binder compositions for use in forming a bit body of an earth-boring bit include at least one of cobalt, nickel, and iron, and at least one melting point-reducing constituent selected from at least one of a transition metal carbide up to 60 weight percent, a transition metal boride up to 60 weight percent, and a transition metal silicide up to 60 weight percent, wherein the weight percentages are based on the total weight of the binder. Earth-boring bit bodies include a cemented tungsten carbide material comprising tungsten carbide and a metallic binder, wherein the tungsten carbide comprises greater than 75 volume percent of the cemented tungsten carbide material.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: January 1, 2019
    Assignees: Baker Hughes Incorporated, TDY Industries, LLC
    Inventors: Prakash K. Mirchandani, Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins
  • Patent number: 10144992
    Abstract: An amorphous alloy and a method for preparing the amorphous alloy are provided. The amorphous alloy is represented by a formula of (Zr,Hf)aMbNcBed. M contains at least one element selected from transition group elements. N contains at least one selected from Al and Ti. And 40?a?70, 10?b?40, 5?c?20, 5?d?25, and a+b+c+d=100. The ratio of an atomic percentage of Hf to an atomic percentage of Zr is in a range of about 0.01 to about 5.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: December 4, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Faliang Zhang, Qing Gong
  • Patent number: 10124547
    Abstract: A method of identifying and/or tracking deformation of a mechanical part made of composite material for a turbine engine, in which the part includes a preform of fiber material and a resin, is provided. The method includes incorporating metal particles in the preform or the resin during fabrication of the part, and subjecting the mechanical part to two X-ray inspections on two different occasions so as to identify the part and/or so as to deduce deformation of its internal structure.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: November 13, 2018
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Julien Schneider, Ludovic Edmond Camille Molliex
  • Patent number: 10090379
    Abstract: When hydrogen penetrates in to the semiconductor device, a gate voltage threshold of a gate structure (Vth) is shifted. Penetrating of hydrogen into the semiconductor device from the edge termination structure section which is positioned at an end portion of the semiconductor device is prevented. To provide a semiconductor device comprising a semiconductor substrate in which an active region and an edge termination structure section which is provided around the active region are provided, a first lower insulating film which is provided in the edge termination structure section on the semiconductor substrate, and a first protective film which is provided on the first lower insulating film, and is electrically insulated from the semiconductor substrate, and occludes hydrogen.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: October 2, 2018
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Yuichi Harada, Yasuyuki Hoshi
  • Patent number: 10087506
    Abstract: A titanium alloy having ultrahigh strength and ultralow elastic modulus, and showing linear elastic deformation behavior is disclosed. The titanium alloy (Ti-20Nb-5Zr-1Fe-O) of the present invention consists of titanium, niobium, zirconium, iron and oxygen. More specifically, the amount of niobium is 18 to 22 at. %, the amount of zirconium is 3 to 7 at. %, the amount of iron is 0.5 to 3.0 at. %, the amount of oxygen is 0.1 to 1.0 wt. %, and the balance is titanium.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: October 2, 2018
    Assignee: Korea Institute of Machinery & Materials
    Inventors: Chan Hee Park, Jong Taek Yeom, Seung Eon Kim, Seong Woong Kim, Jeoung Han Kim, Jae Keun Hong
  • Patent number: 10023942
    Abstract: A titanium alloy, components formed thereof, and methods of use are provided. Embodiments of the alloy may be useful in the energy extraction environment. Components formed of the alloy may include subsea or land-based components associated with oil and gas production and drilling.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: July 17, 2018
    Assignee: Arconic Inc.
    Inventors: Ronald W. Schutz, Birendra C. Jena
  • Patent number: 9947941
    Abstract: A titanium material for a polymer electrolyte fuel cell separator consists of, by mass %, a platinum group metal: 0.005% to 0.15% and a rare earth metal: 0.002% to 0.10%, with the balance being Ti and impurities. The titanium material of the present invention is provided with a film formed of a titanium oxide and a platinum group metal on the surface thereof. It is preferred that the film has a thickness of 50 nm or less, and that the concentration of the platinum group metal on the surface of the film is 1.5% by mass or more. With the thus formed film, the titanium material of the present invention is capable of achieving a reduction in initial contact resistance and ensuring good corrosion resistance. In the titanium material of the present invention, the rare earth metal is preferably Y, and the platinum group metal is preferably Pd.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: April 17, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hideya Kaminaka, Kentarou Yoshida, Kouichi Takeuchi, Satoshi Matsumoto
  • Patent number: 9913519
    Abstract: A hair iron has at least one heat transfer element that includes a substrate and a coating deposited on the substrate, the coating having a composition with at least 50 percent by mass of titanium and zirconium, a heating element, and an insulated grip region.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: March 13, 2018
    Assignee: Farouk Systems, Inc.
    Inventor: Farouk M. Shami
  • Patent number: 9885102
    Abstract: The present invention provides colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment exhibiting a superior resistance to discoloration even when the titanium is used in an environment of harsh acid rain such as a roof or wall material and free from deterioration of the aesthetic appearance over a long period of time, that is, colored pure titanium obtained by the anodic oxidation method, that is, colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment characterized by having an average phosphorus content in a range of 40 nm from a surface of a titanium oxide layer formed on the titanium surface of 5.5 atomic % or less and by having an average carbon concentration in a range of a depth of 100 nm from the titanium surface of 3 to 15 atomic %.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: February 6, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Michio Kaneko, Kiyonori Tokuno, Takao Wada, Mitsuyuki Hasegawa, Kazuo Yamagishi
  • Patent number: 9675730
    Abstract: The invention relates to a joint prosthesis having a shaft made from a titanium alloy, in which at least the shaft is investment cast and has a body-centered cubic crystal structure. A titanium alloy having this crystal structure (known as ?-titanium alloy) has an advantageously low modulus of elasticity which is well matched to the physiological demands of joint prostheses. Furthermore, implementation as a shaped casting allows a complex shape to be achieved. It is particularly embodied as a femoral prosthesis for an artificial hip joint, which has an elongate shaft with grooves and sawtooth-like projections for bone anchoring.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: June 13, 2017
    Assignee: Waldemar Link GmbH & Co. KG
    Inventors: Sevki Baliktay, Arnold Keller
  • Patent number: 9428822
    Abstract: Binder compositions for use in forming a bit body of an earth-boring bit include at least one of cobalt, nickel, and iron, and at least one melting point-reducing constituent selected from at least one of a transition metal carbide up to 60 weight percent, a transition metal boride up to 60 weight percent, and a transition metal silicide up to 60 weight percent, wherein the weight percentages are based on the total weight of the binder. Earth-boring bit bodies include a cemented tungsten carbide material comprising tungsten carbide and a metallic binder, wherein the tungsten carbide comprises greater than 75 volume percent of the cemented tungsten carbide material.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: August 30, 2016
    Assignees: Baker Hughes Incorporated, TDY Industries, Inc.
    Inventors: Prakash K. Mirchandani, Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins
  • Patent number: 9399806
    Abstract: A titanium alloy having at least 4% by weight aluminum and at least 0.1% by weight oxygen, the alloy also including at least one element selected from vanadium, molybdenum, chromium, and iron. The titanium alloy also includes hafnium in a proportion by weight of at least 0.1%.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: July 26, 2016
    Assignee: MESSIER-BUGATTI-DOWTY
    Inventors: Francis Soniak, Jean-Michel De Monicault
  • Patent number: 9296036
    Abstract: Methods for producing forged products and other worked products are disclosed. In one embodiment, a method comprises using additive manufacturing to produce a metal shaped-preform and, after the using step, forging the metal shaped-preform into a final forged product. The final forged product may optionally be annealed.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: March 29, 2016
    Assignee: Alcoa Inc.
    Inventors: Dustin M. Bush, Eric V. Roegner, Edward L. Colvin, Larry N. Mueller, Roberto J. Rioja, Brandon Hendrickson Bodily
  • Patent number: 9171497
    Abstract: The present invention provides a method for inspecting packaging effectiveness of an OLED panel, including: (1) in a manufacture process of an OLED component, forming a test block on a substrate, wherein the test block is made of an active metal, and then forming a plurality of test electrodes, wherein each of the test electrodes has an end connected to the test block and an opposite end extending to the outside for connection with a measurement device; (2) packaging an OLED panel so that said opposite ends of the test electrodes extend out of an enclosing frame; (3) electrically connecting the measurement device to the test electrodes to measure an actual conductivity of the test block; and (4) determining packaging effectiveness according to the actual conductivity.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: October 27, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Weijing Zeng
  • Patent number: 9039963
    Abstract: A titanium based, ceramic reinforced alloy ingot for use in producing medical implants. An ingot is formed from an alloy having comprising from about 5 to about 35 wt. % niobium, from about 0.5 to about 3.5 wt. % silicon, and from about 61.5 to about 94.5 wt. % of titanium. The alloy has a hexagonal crystal lattice ? phase of from about 20 vol % to about 70 vol %, and a cubic body centered ? crystal lattice phase of from about 30 vol. % to about 80 vol. %. The ingot has an ultimate tensile strength of about 940 MPa or more, and a Young's modulus of about 150 GPa or less. A molten substantially uniform admixture of a niobium, silicon, and titanium alloy is formed, cast into a shape, and cooled into an ingot. The ingot may then be formed into a medical implant and optionally annealed.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: May 26, 2015
    Assignee: Pulse Technologies, Inc.
    Inventors: Andrew E. Fisk, Anatolii Demchyshyn, Mykola Kuzmenko, Sergei Firstov, Leonid Kulak
  • Publication number: 20150093287
    Abstract: A a titanium alloy can be applied on a substrate by one of melting, welding, and depositing said titanium alloy on said substrate and solidifying said deposited or molten titanium alloy. Further, 0.01-0.4 weight % Boron can be added to said titanium alloy before or during said melting, welding or depositing said titanium alloy on said substrate.
    Type: Application
    Filed: May 16, 2012
    Publication date: April 2, 2015
    Applicant: GKN Aerospace Sweden AB
    Inventors: Robert Pederson, Frank Skystedt
  • Publication number: 20150078958
    Abstract: The disclosure relates generally to core compositions and methods of molding and the articles so molded. More specifically, the disclosure relates to core compositions and methods for casting hollow titanium-containing articles, and the hollow titanium-containing articles so molded.
    Type: Application
    Filed: September 18, 2013
    Publication date: March 19, 2015
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Bernard Patrick BEWLAY, Joan MCKIEVER, Brian Michael ELLIS, Nicholas Vincent MCLASKY
  • Publication number: 20150075065
    Abstract: The invention provides a processing method for upgrading an organic phase substance by removing heavy element species from the organic phase substance originating from a resource substance in mild environmental conditions, and further provides a method for collecting removed heavy element species and a method for collecting other substances.
    Type: Application
    Filed: October 24, 2014
    Publication date: March 19, 2015
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Tooru Nakamura, Yutaka Hayashi, Akira Suzuki, Richard Brommeland, Andrew Myles
  • Patent number: 8961816
    Abstract: Getter devices based on powders of alloys particularly suitable for hydrogen and nitrogen sorption are described. Such alloys have a composition including zirconium, vanadium, titanium and, optionally, one or more elements selected from iron, chromium, manganese, cobalt, nickel and aluminum.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: February 24, 2015
    Assignee: Saes Getters S.p.A.
    Inventors: Alberto Coda, Alessandro Gallitognotta, Antonio Bonucci, Andrea Conte
  • Publication number: 20150021174
    Abstract: Provided is a high-purity titanium ingot having a purity, excluding an additive element and gas components, of 99.99 mass % or more, wherein at least one nonmetallic element selected from S, P, and B is contained in a total amount of 0.1 to 100 mass ppm as the additive component and the variation in the content of the nonmetallic element between the top, middle, and bottom portions of the ingot is within ±200%. Provided is a method of manufacturing a titanium ingot containing a nonmetallic element in an amount of 0.1 to 100 mass ppm, wherein S, P, or B, which is a nonmetallic element, is added to molten titanium as an intermetallic compound or a master alloy to produce a high-purity titanium ingot having a purity, excluding an additive element and gas components, of 99.99 mass % or more.
    Type: Application
    Filed: February 13, 2013
    Publication date: January 22, 2015
    Inventors: Kazuto Yagi, Eiji Hino, Yuichiro Shindo
  • Patent number: 8932518
    Abstract: The disclosure relates generally to mold compositions and methods of molding and the articles so molded. More specifically, the disclosure relates to mold compositions, intrinsic facecoat compositions, and methods for casting titanium-containing articles, and the titanium-containing articles so molded.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: January 13, 2015
    Assignee: General Electric Company
    Inventors: Bernard Patrick Bewlay, Stephen Bancheri, Michael Weimer, Joan McKiever, Brian Ellis
  • Publication number: 20150004337
    Abstract: The present invention provides a cold sprayed layer of tungsten, molybdenum, titanium, zirconium, or of mixtures of two or more of tungsten, molybdenum, titanium and zirconium, or of alloys of two or more of tungsten, molybdenum, titanium and zirconium, or of alloys of tungsten, molybdenum, titanium, zirconium with other metals, wherein the cold spayed layer has an oxygen content of below 1,000 ppm.
    Type: Application
    Filed: July 4, 2014
    Publication date: January 1, 2015
    Inventors: STEFAN ZIMMERMANN, UWE PAPP, HEINRICH KREYE, TOBIAS SCHMIDT
  • Publication number: 20140363330
    Abstract: Provided herein are methods of enhancing soft tissue integration with and seal around prosthetic devices.
    Type: Application
    Filed: January 14, 2013
    Publication date: December 11, 2014
    Inventor: Takahiro Ogawa
  • Publication number: 20140356221
    Abstract: Titanium alloy that is formed by subjecting titanium alloy to a treatment containing a hydrogen storing step for making the titanium alloy store hydrogen therein, a solution-treatment step for heating the titanium alloy having the hydrogen stored therein in the hydrogen storage step to apply a solution treatment to the hydrogen-stored titanium alloy, a cooling step for cooling the heated hydrogen-stored titanium alloy to develop martensitic transformation in the hydrogen-stored titanium alloy, a hot rolling step for heating the martensitic-transformed titanium alloy to a temperature which is not more than a predetermined transformation point and hot-rolling the martensitic-transformed titanium, and a dehydrogenation step for dehydrogenating the hot-rolled titanium alloy, thereby bringing the titanium alloy with the superplastic property.
    Type: Application
    Filed: May 22, 2014
    Publication date: December 4, 2014
    Applicants: THE JAPAN RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE, HONDA MOTOR CO., LTD.
    Inventors: Jun NAKAHIGASHI, Kyo TAKAHASHI
  • Publication number: 20140348203
    Abstract: Provided in one embodiment is a method of identifying a stable phase of an ordering binary alloy system comprising a solute element and a solvent element, the method comprising: determining at least three thermodynamic parameters associated with grain boundary segregation, phase separation, and intermetallic compound formation of the ordering binary alloy system; and identifying the stable phase of the ordering binary alloy system based on the first thermodynamic parameter, the second thermodynamic parameter and the third thermodynamic parameter by comparing the first thermodynamic parameter, the second thermodynamic parameter and the third thermodynamic parameter with a predetermined set of respective thermodynamic parameters to identify the stable phase; wherein the stable phase is one of a stable nanocrystalline phase, a metastable nanocrystalline phase, and a non-nanocrystalline phase.
    Type: Application
    Filed: May 20, 2014
    Publication date: November 27, 2014
    Applicant: Massachusetts Institute of Technology
    Inventors: Heather A. Murdoch, Christopher A. Schuh
  • Publication number: 20140348697
    Abstract: The present invention provides a heat resistant titanium alloy sheet excellent in cold workability having high temperature strength characteristics better than JIS Class 2 pure titanium and having a cold workability and high temperature oxidation resistance equal to or better than that of JIS Class 2 pure titanium and a method of production of the same, that is, a heat resistant titanium alloy sheet excellent in cold workability characterized by comprising, by mass %, 0.3 to 1.8% of Cu, 0.18% or less of oxygen, 0.30% or less of Fe, and, as needed, at least one of Sn, Zr, Mo, Nb, and Cr in a total of 0.3 to 1.5%, and the balance of Ti and less than 0.3% of impurity elements and by a ?-phase and Ti2Cu-phase being included in a volume percentage of 0 to 2% and, further, a method of production of that titanium alloy sheet characterized by performing the final annealing at 630 to 850° C. in temperature range or performing the hot-rolled sheet or coil annealing or intermediate annealing at 630 to 850° C.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventors: Hideki Fujii, Hiroaki Otsuka, Kazuhiro Takahashi
  • Publication number: 20140322067
    Abstract: A titanium alloy having ultrahigh strength and ultralow elastic modulus, and showing linear elastic deformation behavior is disclosed. The titanium alloy (Ti-20Nb-5Zr-1Fe-O) of the present invention consists of titanium, niobium, zirconium, iron and oxygen. More specifically, the amount of niobium is 18 to 22 at. %, the amount of zirconium is 3 to 7 at. %, the amount of iron is 0.5 to 3.0 at. %, the amount of oxygen is 0.1 to 1.0 wt. %, and the balance is titanium.
    Type: Application
    Filed: March 28, 2013
    Publication date: October 30, 2014
    Inventors: Chan Hee Park, Jong Taek Yeom, Seung Eon Kim, Seong Woong Kim, Jeoung Han Kim, Jae Keun Hong
  • Publication number: 20140271335
    Abstract: Provided is a super elastic alloy for biological use having a high biocompatibility, good processability and super elasticity, said super elastic alloy being a super elastic zirconium alloy for biological use comprising 27-54 mol % inclusive of titanium, 5-9 mol % inclusive of niobium which is a ? phase-stabilizing element capable of stabilizing the ? phase of zirconium, and 1-4 mol % inclusive in total of tin and/or aluminum which are ? phase-suppressing elements capable of suppressing the ? phase of zirconium, with the balance consisting of zirconium and inevitable impurities.
    Type: Application
    Filed: August 28, 2012
    Publication date: September 18, 2014
    Applicant: UNIVERSITY OF TSUKUBA
    Inventors: Shuichi Miyazaki, Heeyoung Kim, Yosuke Sato
  • Publication number: 20140271336
    Abstract: A nanostructured titanium alloy article is provided. The nanostructured alloy includes a developed structure that has been processed from a combination of severe plastic deformation and non-severe plastic deformation type thermomechanical processing steps, with at least 80% of grains in the developed structure having a grain size?1.0 microns.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: CRS HOLDINGS INC.
    Inventors: Gian Colombo, Venkata N. Anumalasetty, Graham McIntosh
  • Publication number: 20140255816
    Abstract: A titanium material for a polymer electrolyte fuel cell separator consists of, by mass %, a platinum group metal: 0.005% to 0.15% and a rare earth metal: 0.002% to 0.10%, with the balance being Ti and impurities. The titanium material of the present invention is provided with a film formed of a titanium oxide and a platinum group metal on the surface thereof. It is preferred that the film has a thickness of 50 nm or less, and that the concentration of the platinum group metal on the surface of the film is 1.5% by mass or more. With the thus formed film, the titanium material of the present invention is capable of achieving a reduction in initial contact resistance and ensuring good corrosion resistance. In the titanium material of the present invention, the rare earth metal is preferably Y, and the platinum group metal is preferably Pd.
    Type: Application
    Filed: July 19, 2012
    Publication date: September 11, 2014
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hideya Kaminaka, Kentarou Yoshida, Kouichi Takeuchi, Satoshi Matsumoto
  • Patent number: 8821610
    Abstract: A method and a device are described for the production of metal powder or alloy powder of a moderate grain sizes less than 10 ?m, comprising or containing at least one of the reactive metals zirconium, titanium, or hafnium, by metallothermic reduction of oxides or halogenides of the cited reactive metals with the aid of a reducing metal, wherein said metal powder or alloy powder is phlegmatized by adding a passivating gas or gas mixture during and/or after the reduction of the oxides or halogenides and/or is phlegmatized by adding a passivating solid before the reduction of the oxides or halogenides, wherein both said reduction and also said phlegmatization are performed in a single gas-tight reaction vessel which can be evacuated.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: September 2, 2014
    Assignee: Tradium GmbH
    Inventor: Ulrich Gerhard Baudis
  • Patent number: 8802151
    Abstract: The instant invention relates to shaped transition metal particles, in particular in the form of a dispersion in an aqueous and/or organic medium, the manufacture thereof and their use as an infrared (IR) absorbing agent, an IR curing agent for coatings, an additive in conductive formulations, an antimicrobial agent or for sensoring organic and/or inorganic compounds. Further, the invention relates to dispersions comprising said shaped particles and an aqueous and/or organic medium, such as a thermoplastic or crosslinkable polymer, as well as to antimicrobial compositions and products.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: August 12, 2014
    Assignee: BASF SE
    Inventors: Nikolay A. Grigorenko, Michael Muehlebach, Florian Muehlebach
  • Patent number: 8801875
    Abstract: 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: Grant
    Filed: December 16, 2008
    Date of Patent: August 12, 2014
    Assignees: 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
  • Patent number: 8795445
    Abstract: 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: Grant
    Filed: December 17, 2008
    Date of Patent: August 5, 2014
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Yoshihisa Shirai, Satoshi Matsumoto
  • Publication number: 20140212324
    Abstract: Provided by the present invention are a fine crystallite high-function metal alloy member, a method for manufacturing the same, and a business development method thereof, in which a crystallite of a metal alloy including a high-purity metal alloy whose crystal lattice is a face-centered cubic lattice, a body-centered cubic lattice, or a close-packed hexagonal lattice is made fine with the size in the level of nanometers (10?9 m to 10?6 m) and micrometers (10?6 m to 10?3 m), and the form thereof is adjusted, thereby remedying drawbacks thereof and enhancing various characteristics without losing superior characteristics owned by the alloy.
    Type: Application
    Filed: April 10, 2012
    Publication date: July 31, 2014
    Applicant: THREE-O CO., LTD.
    Inventor: Kazuo Ogasa
  • Publication number: 20140208968
    Abstract: One object is to provide a structure including a thin primer film formed by a dry process and tightly bound to a fluorine-containing silane coupling agent. In accordance with one aspect, a structure according to an embodiment of the present disclosure includes: a substrate; and a thin primer film containing at least one substance selected from the group consisting of silicon, titanium, aluminum, aluminum oxide, and zirconium and formed on a surface of the substrate by a dry process.
    Type: Application
    Filed: August 10, 2012
    Publication date: July 31, 2014
    Applicant: Taiyo Chemical Industry Co., Ltd.
    Inventor: Kunihiko Shibusawa
  • Publication number: 20140193289
    Abstract: A one-dimensional titanium nanostructure and a method for fabricating the same are provided. A titanium metal reacts with titanium tetrachloride to form the one-dimensional titanium nanostructure on a heat-resistant substrate in a CVD method and under a reaction condition of a reaction temperature of 300-900° C., a deposition temperature of 200-850° C., a flow rate of the carrier gas of 0.1-50 sccm and a reaction time of 5-60 hours. The titanium nanostructure includes titanium nanowires, titanium nanobelts, flower-shaped titanium nanowires, titanium nanorods, titanium nanotubes, and titanium-titanium dioxide core-shell structures. The titanium nanostructure can be densely and uniformly grown on the heat-resistant substrate. The present invention neither uses a template nor uses the complicated photolithographic process, solution preparation process, and mixing-coating process. Therefore, the process scale-up, cost down, and the simplified production process are achieved.
    Type: Application
    Filed: March 18, 2013
    Publication date: July 10, 2014
    Applicant: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Tze-Lung CHEN, Hsin-Tien CHIU, Chi-Young LEE
  • Patent number: 8771439
    Abstract: The invention is directed to a method for producing a titanium aluminide intermetallic alloy composition having an improved wear resistance, the method comprising heating a titanium aluminide intermetallic alloy material in an oxygen-containing environment at a temperature and for a time sufficient to produce a top oxide layer and underlying oxygen-diffused layer, followed by removal of the top oxide layer such that the oxygen-diffused layer is exposed. The invention is also directed to the resulting oxygen-diffused titanium aluminide intermetallic alloy, as well as mechanical components or devices containing the improved alloy composition.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: July 8, 2014
    Assignee: UT-Battelle, LLC
    Inventors: Jun Qu, Hua-Tay Lin, Peter J. Blau, Vinod K. Sikka
  • Publication number: 20140161660
    Abstract: A titanium alloy including by mass %, a platinum group metal: 0.01 to 0.15% and a rare earth metal: 0.001 to 0.10%, with the balance being Ti and impurities. The titanium alloy preferably includes as a partial replacement for Ti, Co: 0.05 to 1.00% by mass, and the content of the platinum group metal is preferably in the range of 0.01 to 0.05% by mass. Furthermore, it is preferred that the platinum group metal be Pd and the rare earth metal be Y. Consequently, it is possible to provide a titanium alloy having corrosion resistance comparable to or better than that of the conventional art as well as good workability while offering an economic advantage with a lower content of platinum group metal or an advantage of less likelihood of corrosion growth originating at defects such as flaws that occurred in the surface.
    Type: Application
    Filed: July 20, 2012
    Publication date: June 12, 2014
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hideya Kaminaka, Yoshihisa Yonemitsu, Satoshi Matsumoto, Kouichi Takeuchi
  • Patent number: 8741077
    Abstract: 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: Grant
    Filed: February 22, 2011
    Date of Patent: June 3, 2014
    Assignee: Dynamet Technology, Inc.
    Inventors: Stanley Abkowitz, Susan M. Abkowitz, Harvey Fisher, Patricia J. Schwartz
  • Patent number: 8741217
    Abstract: There is provided a titanium alloy for corrosion-resistant materials, which contains 0.01-0.12% by mass in total of at least one of platinum group elements; at least Si and one of, or both of, Sn and Mn, selected from the group consisting of Al, Cr, Zr, Nb, Si, Sn and Mn, wherein the total content of Al, Cr, Zr, Nb, Si, Sn and Mn is 5% by mass or less; and the residue comprising Ti and impurities.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: June 3, 2014
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Satoshi Matsumoto, Keisuke Nagashima, Takashi Maeda