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| Number | Title | Issue Date |
| 8021605 | Titanium alloy A titanium alloy which, even under the influence of high application temperatures, has a low tendency to becoming brittle as a result of coarse grain formation, comprises (in wt. %) Fe: ≦2%, Si: 0.01 to 0.8%, 0: ≦0.3%, C: ≦0.1%, one or more elements of the Lan... | 09/20/2011 |
| 7422644 | Thin parts made of β or quasi-β titanium alloys; manufacture by forging The present invention provides non-axially symmetrical manufactured parts of thickness less than 10 mm, made of β or quasi-β titanium alloy, having a core microstructure constituted by whole grains presenting a slenderness ratio greater than 4 and an equivalent di... | 09/09/2008 |
| 7329303 | Methods for producing titanium metal using grinding media Grinding media, including shaped media such as spheres or rods ranging in size from about 0.5 micron to 100 mm in diameter, are formed from a multi-carbide material consisting essentially of two or more carbide-forming elements and carbon, with or without carbide-fo... | 02/12/2008 |
| 7261782 | Titanium alloy having high elastic deformation capacity and method for production thereof A titanium alloy obtained by a cold-working step, in which 10% or more of cold working is applied to a raw titanium alloy, comprising a Va group element and the balance of titanium substantially, and an aging treatment step, in which a cold-worked member, obtained a... | 08/28/2007 |
| 7258847 | Recovery of titanium from titanium bearing materials A method of recovering titanium dioxide from a raw material additionally containing aluminium includes the steps of grinding the titanium dioxide raw material, reacting the particulate raw feed material with sulphuric acid under specified conditions, digesting and f... | 08/21/2007 |
| 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 |
| 7169731 | Method for the synthesis of a fuel cell electrocatalyst A method for forming a supported metal-containing powder. The method comprises forming a dispersion of a particulate support in a solution, which comprises a solvent and a dissolved metal. Heat is removed from the dispersion to precipitate the dissolved metal from t... | 01/30/2007 |
| 7166367 | Titanium alloy having excellent high-temperature oxidation and corrosion resistance A titanium alloy having excellent high-temperature oxidation and corrosion resistance is disclosed which comprises, by mass, Al: 0.30–1.50%, and Si: 0.10–1.0%. Preferably, amass ratio Si/Al is not less than 1/3. More preferably, the titanium alloy further compri... | 01/23/2007 |
| 7156282 | Titanium-aluminide turbine wheel and shaft assembly, and method for making same A titanium-aluminide turbine wheel (120, 220, 320, 420) is joined to the end of a shaft (110, 210, 310, 410) by utilizing a titanium surface on the end of the shaft to be joined to the wheel, and electron-beam welding the wheel onto the titanium surfac... | 01/02/2007 |
| 7060239 | Quasicrystalline alloys and their use as coatings The present invention relates to an icosahedral, quasicrystalline compound or compound present in the form of an approximant having the nominal composition: TivCrwAlxSiyOz, in which v=60-65; w=25-30; x=0-6; Y=8-... | 06/13/2006 |
| 7037463 | Method for producing a titanium-base alloy having an oxide dispersion therein A metallic article is prepared by first furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively containing the constituent elements of the metallic article in their respective constituent-element propor... | 05/02/2006 |
| 7037389 | Thin parts made of β or quasi-β titanium alloys; manufacture by forging The present invention provides non-axially symmetrical manufactured parts of thickness less than 10 mm, made of β or quasi-β titanium alloy, having a core microstructure constituted by whole grains presenting a slenderness ratio greater than 4 and an equivalent di... | 05/02/2006 |
| 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 |
| 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 |
| 6979375 | Titanium alloy member A titanium alloy member is characterized in that it comprise 40% by weight or more titanium (Ti), a IVa group element and/or a Va group element other than the titanium, wherein a summed amount including the IVa group element and/or the Va group element as well as th... | 12/27/2005 |
| 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 |
| 6923934 | Titanium aluminide, cast made therefrom and method of making the same TiAl alloy includes 46 to 50 at % of Al, 5 at % or less of combination of Mo, V and Si, provided that Si content is 0.7 at % or less, and Mo content satisfies an equation of −0.3x +17.5 at % or less where x represents Al (at %), and the remainder being Ti and inev... | 08/02/2005 |
| 6921441 | Super-elastic titanium alloy for medical uses A super-elastic titanium alloy for medical use consisting essentially of: a molybdenum (Mo) as a β stabilizer element of titanium (Ti): from 2 to 12 at %; an α stabilizer element of the titanium (Ti): from 0.1 to 14 at %; and the... | 07/26/2005 |
| 6921510 | Method for preparing an article having a dispersoid distributed in a metallic matrix An article has a metallic matrix made of its constituent elements with a dispersoid distributed therein. The article is prepared by furnishing at least one nonmetallic matrix precursor compound. All of the nonmetallic matrix precursor compounds collectively include ... | 07/26/2005 |
| 6918942 | Process for production of titanium alloy Titanium-aluminum alloy is prepared as a master alloy, and the aluminum master alloy and a pure titanium material are melted by an electron beam to yield titanium alloy. ... | 07/19/2005 |
| 6918971 | Titanium sheet, plate, bar or wire having high ductility and low material anisotropy and method of producing the same A sheet, a plate, a bar or wire is made of Ti and has high ductility and low material anistropy in a plane of a sheet or plate, or in a sectional plane of a bar or a wire and contains Fe, in mass, at 0.15-0.5%, N at 0.015-0.041 and 0, with the balance Ti and unavoid... | 07/19/2005 |
| 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 |
| 6692586 | High temperature melting braze materials for bonding niobium based alloys This invention relates to a high temperature melting composition and a method of using the composition for brazing high temperature niobium-based substrates, such as niobium-based refractory metal-intermetallic compositions (RMIC), including but not restr... | 02/17/2004 |
| 6676897 | High-temperature alloy The invention relates to a high-temperature alloy for a mechanically highly stressed component of a thermal machine based on doped TiAl and a method to improve a mechanical property of the alloy. The alloy has the following composition (in atomic %): 44.5... | 01/13/2004 |
| 6669791 | TiAl based alloy, production process therefor, and rotor blade using same A TiAl based alloy having excellent strength as well as an improvement in toughness at room temperature, in particular an improvement in impact properties at room temperature, and a production method thereof, and a blade using the same are provided. This ... | 12/30/2003 |
| 6632396 | Titanium-based alloy Titanium-based alloy contains, % by mass: aluminum 2.2 to 3.8; vanadium 4.5 to 5.9; moloybdenum 4.5 to 5.9; chromium 2.0 to 3.6; iron 0.2 to 0.8; zirconium 0.0l to 0.08; carbon 0.01 to 0.25; oxygen 0.03 to 0.25; titanium being the balance. The alloy posse... | 10/14/2003 |
| 6531091 | Muffler made of a titanium alloy A muffler of a muffler made of a titanium alloy wherein advantages of lightness and corrosion-resistance that the titanium alloy originally has are used, and heat-resistance and oxidization-resistance are heightened without damaging costs or workability s... | 03/11/2003 |
| 6524407 | Alloy based on titanium aluminides In an alloy on the basis of titanium aluminides niobium is included in the alloy of titanium and aluminum.... | 02/25/2003 |
| 6491867 | High capacity and high performance Zr-based hydrogen storage alloy for secondary cells A hydrogen storage alloy, represented by the following formula I which is suitable for use as an active anode material for ni-metal hydride secondary cells by virtue of its high discharge characteristics including, for example, a discharge capacity rangin... | 12/10/2002 |
| 6436208 | Process for preparing aligned in-situ two phase single crystal composites of titanium-niobium alloys A process of preparing aligned, in-situ, two-phase single crystal alloys of titanium, aluminum and niobium which comprises growing the alloys at rates of about 3.0 mm. to about 6.0 mm. per hour by rotating a seed rod alloy consisting essentially of Ti-43 ... | 08/20/2002 |
| 6425964 | Creep resistant titanium aluminide alloys A creep resistant titanium aluminide alloy having fine particles such as boride particles at colony boundaries and/or grain boundary equiaxed structures. The alloy can include alloying additions such as ࣘ10 at % W, Nb and/or Mo. The alloy can be free of... | 07/30/2002 |
| 6294132 | TiAl intermetallic compound-based alloy This invention relates to a TiAl intermetallic compound-based alloy exhibiting excellent heat resistance, oxidation resistance and resonance resistance and having a cast structure composed of fine equiaxed grains. Specifically, it relates to a TiAl interm... | 09/25/2001 |
| 6258182 | Pseudoelastic ଲ titanium alloy and uses therefor The disclosed ଲ titanium alloys contain alloying elements of molybdenum between 10.0 and 12.0 weight percent, aluminum between 2.8 and 4.0 weight percent, chromium and vanadium between 0.0 and 2.0 weight percent, and niobium between 0.0 and 4.0 weig... | 07/10/2001 |
| 6214133 | Two phase titanium aluminide alloy A two-phase titanic aluminide alloy having a lamellar microstructure with little intercolony structures. The alloy can include fine particles such as boride particles at colony boundaries and/or grain boundary equiaxed structures. The alloy can include al... | 04/10/2001 |
| 6174387 | Creep resistant gamma titanium aluminide alloy A creep resistant titianium aluminide alloy composition consisting essentially of, in atomic percent, about 44 to about 49 Al, about 0.5 to about 4.0 Nb, about 0.0 to about 3.0 Mn, about 1.0 to about 1.5 W, about 0.1 to about 1.0 Mo, about 0.4 to about 0.... | 01/16/2001 |
| 6165414 | Titanium aluminide for precision casting and method of casting using titanium aluminide A titanium aluminide having the following chemical composition: Al: 33.5-34.5 wt %, Fe: 1.5-2.0 wt %, V: 1.5-2.0 wt %, and B: 0.05-0.10 wt %, with the remainder being Ti and inevitable impurities. Greatly decreased is a ratio of 댒 phase (Ti3 | 12/26/2000 |
| 6132526 | Titanium-based intermetallic alloys A titanium-based intermetallic alloy having a high yield stress, a high creep resistance and sufficient ductility at ambient temperature has the following chemical composition as measured in atomic percentages: Al, from 16 to 26; Nb, from 18 to 28; Mo, from 0 ... | 10/17/2000 |
| 6051084 | TiAl intermetallic compound-based alloys and methods for preparing same TiAl intermetallic compound-based alloys comprising Ti, Al, Nb and Cr and, if necessary, further comprising Ni and Co, which have excellent plastic workability, good resistance to oxidation at high temperatures, high strength or good creep resistance.... | 04/18/2000 |
| 6010661 | Method for producing hydrogen-containing sponge titanium, a hydrogen containing titanium-aluminum-based alloy powder and its method of production, and a titanium-aluminum-based alloy sinter and its method of production The methods of the present invention provide efficient mechanical milling or alloying of stock materials of titanium and aluminum in order to increase yield of the titanium stock and reduce cost in connection with the production of a titanium-aluminum-bas... | 01/04/2000 |
