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| Number | Title | Issue Date |
| 8083873 | Dental and medical instruments comprising titanium Endodontic instruments for use in performing root canal therapy on a tooth are disclosed. In one form, the instruments include an elongate shank having a cutting edge extending from a distal end of the shank along an axial length of the shank. The shank comprises a ... | 12/27/2011 |
| 7985307 | Triple phase titanium fan and compressor blade and methods therefor Article (e.g., turbine engine fan or compressor blade) comprising a titanium alloy has a first portion with alpha+beta microstructure and a second portion with martensitic or a bimodal microstructure. The modified microstructure of the second portion is provided by ... | 07/26/2011 |
| 7892369 | Method of modifying the microstructure of titanium alloys for manufacturing orthopedic prostheses and the products thereof A titanium alloy subjected to thermal treatment followed by quenching. The thermal treatment raises the temperature of the alloy to a temperature above the alloy's recrystallization temperature and below the alloy's beta-transus temperature to cause a phase shift wi... | 02/22/2011 |
| 7785429 | Tough, high-strength titanium alloys; methods of heat treating titanium alloys 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 al... | 08/31/2010 |
| 7704339 | Method of heat treating titanium aluminide A gamma titanium aluminide alloy consisting of 46 at % aluminium, 8 at % tantalum and the balance titanium plus incidental impurities has an alpha transus temperature Tα between 1310° C. and 1320° C. The gamma titanium aluminide alloy was heated to a t... | 04/27/2010 |
| 7438849 | Titanium alloy and process for producing the same A titanium alloy includes at least one alloying element whose molybdenum equivalent “Moeq” is from 3 to 11% by mass, at least one interstitial solution element selected from the group consisting of O, N and C in an amount of from 0.3 to 3% by mass, an... | 10/21/2008 |
| 7413620 | Electron beam welding to join gamma titanium aluminide articles A method is provided for welding two gamma titanium aluminide articles together. The method includes preheating the two articles to a welding temperature of from about 1700° F. to about 2100° F., thereafter electron beam welding the two articles together at the we... | 08/19/2008 |
| 7241328 | Method for preparing ultra-fine, submicron grain titanium and titanium-alloy articles and articles prepared thereby A method for preparing ultra-fine, submicron grain titanium or titanium-alloy articles (78) used for joining or assembling of detail components. Coarse-grained titanium or titanium-alloy materials (52) are severely mechanically deformed using cryogenic... | 07/10/2007 |
| 7208055 | Thermal Treatment Method An article of titanium or a titanium-based alloy, or of zirconium or a zirconium-based alloy is case hardened by heat treatment for at least 12 hours at one or more temperatures in the range of 850° C. to 900° C. and at a pressure in the order of atmospheric press... | 04/24/2007 |
| 7192496 | Methods of processing nickel-titanium alloys Embodiments of the present invention provide methods of processing nickel-titanium alloys including from greater than 50 up to 55 atomic percent nickel to provide a desired austenite transformation temperature and/or austenite transformation temperature range. In on... | 03/20/2007 |
| 7189262 | Bimetal tibial component construct for knee joint prosthesis A prosthetic tibial component for a prosthetic total knee joint includes two constructs, one being a metal base that engages a bone and the other being a polyethylene bearing that attaches to the metal base and articulates with a femoral prosthetic component on a op... | 03/13/2007 |
| 7175721 | Method for preparing Cr-Ti-V type hydrogen occlusion alloy The invention relates to a method for producing high-performance Cr—Ti—V hydrogen storage alloys utilizing a thermit process, whereby residence of adversely affecting impurities is inhibited, addition of not less than 10 at % of Ti as an alloy component is reali... | 02/13/2007 |
| 7138189 | Heat-resistant Ti alloy material excellent in resistance to corrosion at high temperature and to oxidation Disclosed is a heat-resistant Ti alloy material excellent in high-temperature corrosion resistance and oxidation resistance, which comprises a base made of a heat-resistant Ti alloy and a surface layer formed on the surface of the base. The surface layer has a multi... | 11/21/2006 |
| 7108757 | Hydrogen storage alloys providing for the reversible storage of hydrogen at low temperatures A reversible hydrogen storage alloy capable of storing large amounts of hydrogen and delivering reversibly large amounts of hydrogen at temperatures ranging from 0° C. up to 40° C. The hydrogen storage alloy is generally composed of titanium, vanadium, and chromiu... | 09/19/2006 |
| 7104306 | Cast unitized primary truss structure and method A truss structure well suited for use as an engine strut on a commercial aircraft. The truss structure is cast as a single piece integrally formed component from a titanium alloy or another suitably lightweight, structurally strong material. The truss structure incl... | 09/12/2006 |
| 7029558 | Titanium-made cathode electrode for producing electrolytic copper foil, rotary cathode drum using the titanium-made cathode electrode, method of producing titanium material using titanium-made cathode electrode and method of correcting/working titanium material for titanium-made cathode electrode The purpose is to provide a cathode electrode for manufacturing an electrodeposited copper foil which is possible to be continuously and stably usable for a long duration of 3000 hours or longer to subsequently lessen the frequency of maintenance work execution as l... | 04/18/2006 |
| 7008489 | High strength titanium alloy An alpha-beta, titanium-base alloy with improved ductility at high strength levels compared to commercially available alloys, such as Ti-17. The alloy exhibits at least a 20% improvement in ductility at a given strength level compared to Ti-17. The alloy comprises, ... | 03/07/2006 |
| 7001570 | Metal-made seamless pipe and process for production thereof A metal-made seamless pipe is provided, containing at least one metal selected from the group consisting of metals each having a melting point of 1,600° C. or more, and has a porosity of 0.3 to 25%. The porosity is defined as a ratio of the open pores present at th... | 02/21/2006 |
| 6997995 | Method for producing components with a high load capacity from TiAl alloys The invention relates to a method for producing components with a high load capacity from α+γ TiAl alloys, especially for producing components for aircraft engines or stationary gas turbines. According to this method, enclosed TiAl blanks of globular structure are... | 02/14/2006 |
| 6994635 | Peen conditioning of titanium metal wood golf club heads A golf club head is provided with a residual compressive stress layer on the inside surface of the club face using a peening treatment. The peening treatment also may remove material from the club head, such as unwanted alpha case on a titanium club head. The body o... | 02/07/2006 |
| 6984272 | Process for producing titanium material for target, titanium material for target, and sputtering target using the same A titanium material for a target has a microstructure in which the grain size is small and uniform and also has a macrostructure of the surface of the titanium material which is non-patterned and is excellent in surface property. A titanium ingot in which Vacuum Arc... | 01/10/2006 |
| 6974507 | Damage tolerant microstructure for lamellar alloys A damage tolerant microstructure for a lamellar alloy, such as a lamellar γTiAl alloy, is provided in accordance with the present invention. The alloy comprises a matrix and a plurality of grains or lamellar colonies, a portion of which exhibit a nonplanar morpholo... | 12/13/2005 |
| 6939419 | Method for producing axially symmetric parts and the article The invention relates to plastic metal working, more specifically to methods for producing parts of the disk- or shell-type having conical, hemispherical, and also combined parts, such as disk-and-shaft ones. The invention is instrumental in producing large axially ... | 09/06/2005 |
| 6918974 | Processing of alpha-beta titanium alloy workpieces for good ultrasonic inspectability An alpha-beta titanium alloy workpiece, preferably furnished in the form of a cast ingot, is processed by mechanically working in the beta phase field and in the alpha-beta phase field, and thereafter quenching from the beta phase field. The workpiece is thereafter ... | 07/19/2005 |
| 6863987 | Titanium resistant to discoloration in atmospheric environment and process of production of same Titanium resistant to discoloration in an atmospheric environment characterized by having an average carbon concentration of 14 at % or less in a range to a depth of 100 nm from the surface and having an oxide film of a thickness of 12 to 40 nm at its surface. Titan... | 03/08/2005 |
| 6835490 | Alloy for hydrogen storage, method for absorption and release of hydrogen using the alloy, and hydrogen fuel cell using the method A method for absorbing and releasing hydrogen comprises applying repeatedly hydrogen pressurization and depressurization to a hydrogen storage metal alloy of a body-centered cubic structure-type phase exerting a two-stage or inclined plateau characteristic in a hydr... | 12/28/2004 |
| 6818076 | Multi-strand coil spring A stranded wire having improved fatigue characteristics and made of a shape memory and/or superelastic material, such as Ni/Ti or alloys thereof. Further, the stranded wire may be coiled along the entire length of the wire or only a portion thereof to form one or mo... | 11/16/2004 |
| 6814818 | Heat treatment of titanium-alloy articles to limit alpha case formation A method for heat treating titanium-alloy articles in a vacuum furnace includes a step of first determining, for a first set of titanium articles in a first vacuum furnace and for a first set of heat treatment conditions, a minimum surface area of the first set of t... | 11/09/2004 |
| 6805759 | Shaped part made of an intermetallic gamma titanium aluminide material, and production method A shaped part or article of manufacture is formed of a selected gamma titanium aluminide alloy with outstanding mechanical properties which can be produced particularly economically. First, a semi-finished article is formed in a hot forming process with a degree of ... | 10/19/2004 |
| 6726784 | α+β type titanium alloy, process for producing titanium alloy, process for coil rolling, and process for producing cold-rolled coil of titanium alloy A high strength and ductility α+β type titanium alloy, comprising at least one is isomorphous β stabilizing element in a Mo equivalence of 2.0-4.5 mass %, at least one eutectic β stabilizing element in an Fe equivalence of 0.3-2.0 mass %, Si in an amount of 0.1-... | 04/27/2004 |
| 6726787 | Process for making a work piece having a major phase of α from a titanium alloy Quenching a work piece made of a titanium alloy having a temperature higher than 800° C. to a temperature lower than 500° C. at a cooling rate greater than 10° C./second between 800° C. and 500° C. is used to render the cooled work piece containing α″ phase ... | 04/27/2004 |
| 6723189 | Process for making a work piece having a major phase of α″ from a titanium alloy Quenching a work piece made of a titanium alloy having a temperature higher than 800° C. to a temperature lower than 500° C. at a cooling rate greater than 10° C./second between 800° C. and 500° C. is used to render the cooled work piece containing α″ phase ... | 04/20/2004 |
| 6638381 | Method for preparing ultra-fine grain titanium and titanium-alloy articles and articles prepared thereby A method for preparing ultra-fine grain titanium or titanium-alloy articles used for adjoining or assembling of detail components. Coarse-grained titanium or titanium-alloy materials typically are heated and forced under constant pressure through a fricti... | 10/28/2003 |
| 6623568 | Ti alloy poppet valve and a method of manufacturing the same A Ti alloy poppet valve consists of a valve stem and a valve head, and is employed as intake or exhaust valve in an internal combustion engine of an automobile. O2 is put into the valve in a furnace at very slight amount and heated to introduce... | 09/23/2003 |
| 6604568 | Method of manufacturing titanium golf club having a striking surface free of oxygen-stabilized alpha phase titanium The present invention comprises a method of making a golf club head by casting a molten titanium alloy and thereafter removing the alpha case that is formed on the surface of the titanium by means of a conformal milling process. The conformal milling proc... | 08/12/2003 |
| 6558273 | Method for manufacturing a golf club A method for manufacturing a golf club with an improved durability which realizes so thin a club head that the head can be enlarged, suppressing the increase of the total weight. A cold rolled material, which is a beta type titanium alloy in a beta single... | 05/06/2003 |
| 6536110 | Integrally bladed rotor airfoil fabrication and repair techniques The present invention relates to a method for-fabricating an integrally bladed rotor which comprises providing a hub section, preferably formed from a titanium based alloy, and welding an airfoil, also preferably formed from a titanium based alloy, to the... | 03/25/2003 |
| 6521059 | Blade and method for producing the blade In a blade possessing a blade body and a blade foot consisting of an alloy based on a doped gamma-titanium aluminide, at least part of the surface layer of the blade has a finely-grained structure, and the core has a coarsely-grained structure. The ductil... | 02/18/2003 |
| 6475428 | Method of producing titanium powder A method of producing high purity, low oxygen content titanium powder utilizes a hydrided titanium powder crushed to desired percentage of particles of not more than a desired size. These hydrided particles are dehydrided by a slow heating process under p... | 11/05/2002 |
| 6451129 | Titanium-base decoration member and method for curing the same A decorative titanium material according to the present invention eliminates a deterioration of the appearance even after processing, that is, provides a small surface roughness, and has a hardened layer of titanium at the surface of the titanium material... | 09/17/2002 |
