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| Number | Title | Issue Date |
| 8252130 | Surface treatment for titanium alloy member for aerospace equipment 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 ... | 08/28/2012 |
| 7837812 | Metastable beta-titanium alloys and methods of processing the same by direct aging Metastable beta titanium alloys and methods of processing metastable β-titanium alloys are disclosed. For example, certain non-limiting embodiments relate to metastable β-titanium alloys, such as binary β-titanium alloys comprising greater than 10 weight percent ... | 11/23/2010 |
| 7611592 | Methods of beta processing titanium alloys Various non-limiting embodiments of the present invention relate to methods of processing titanium alloys wherein the alloys are subjected to deformation above the beta transus temperature (Tβ) of the alloys. For example, one non-limiting embodiment prov... | 11/03/2009 |
| 7481898 | Method for fabricating a thick Ti64 alloy article to have a higher surface yield and tensile strengths and a lower centerline yield and tensile strengths A Ti-6Al-4V-0.2O (Ti64) forged article is fabricated by forging a workpiece to make a forged gas turbine engine component having a thick portion thereof with a section thickness greater than 2¼ inches. The forged article is heat treated by solution heat treating at... | 01/27/2009 |
| H2227 | High speed titanium alloy microstructural conversion method A high speed titanium alloy microstructural conversion method from lamellar to equiaxed is disclosed. The method includes identification and estimation of process parameters such that the average strain rate is between about 1-100 s−1 and the deformatio... | 12/02/2008 |
| 7449075 | Method for producing a beta-processed alpha-beta titanium-alloy article A titanium-alloy article is produced by providing a workpiece of an alpha-beta titanium alloy having a beta-transus temperature, and thereafter mechanically working the workpiece at a mechanical-working temperature above the beta-transus temperature. The mechanicall... | 11/11/2008 |
| 7334333 | Method for making a hollow fan blade with machined internal cavities Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. The floor and opposite interior walls of each cavity are machined simultaneously. The c... | 02/26/2008 |
| 7285174 | Method for producing metallic strips A method for producing metallic strips having a high-grade cube texture based on nickel, copper, aluminum, silver or alloys of these metals including austenitic iron-nickel alloys makes it possible to obtain, during a subsequent annealing process and with lower tota... | 10/23/2007 |
| 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 |
| 7232053 | Seam-welded air hardenable steel constructions The present invention provides seam-welded, air hardenable steel tubes, methods of manufacturing seam-welded air hardenable steel tubes, tube mills for practicing such methods and applications for using seam-welded, air hardenable steel tubing of the present inventi... | 06/19/2007 |
| 7132021 | Process for making a work piece from a β-type titanium alloy material A process for making a work piece from a β-type titanium alloy material includes subjecting the β-type titanium alloy material to cold working with controlling the reduction rate thereof to vary the reduction rate depending on a position across a plain direction o... | 11/07/2006 |
| 7127024 | Fuel element for a pressurized water reactor A fuel element for a pressurized water reactor is described. The fuel element contains a laterally open skeleton having control-rod guide tubes each with a first end and a second end, spacers fastened to the control-rod guide tubes, a fuel element head disposed at t... | 10/24/2006 |
| 7117574 | Determining expected fatigue life of hard machined components A method of determining expected fatigue life of machined bearing races or other components wherein a hardened surface of each bearing race is machined to provide a machined surface including the steps of determining hardness distribution and residual stress distrib... | 10/10/2006 |
| 7118346 | Compressor blade A compressor blade (26) comprises an aerofoil (36) and a root (38). The aerofoil (36) comprises a concave wall (40) extending from a leading edge (44) to a trailing edge (46) and a convex wall (42) extending fr... | 10/10/2006 |
| 7115177 | Method for the treatment of metallic materials In a method for the treatment of metallic materials especially for the consolidation of the texture of the materials, a blank of the metallic material is heated to a transformation temperature and the blank is then subjected to twisting preferably while, at the same... | 10/03/2006 |
| 7096558 | Method of manufacturing golf club head A method of manufacturing a golf club head comprises: hot forging a material of a beta titanium alloy into the face plate, slow cooling the forged face plate; and assembling a golf club head from the face plate and other component(s). ... | 08/29/2006 |
| 7083687 | Super-elastic titanium alloy for medical uses A super-elastic titanium alloy for medical use consisting essentially of: 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 b... | 08/01/2006 |
| 7070391 | Hollow fan blade for gas turbine engine Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. These detail halves are subsequently bonded and given an airfoil shape in the forming o... | 07/04/2006 |
| 7008491 | Method for fabricating an article of an alpha-beta titanium alloy by forging A method for fabricating an article of a titanium-base alloy, such as an alpha-beta titanium gas turbine fan or compressor disk, uses a starting ingot having a thickness of at least about 20 inches, and which is made of a titanium-base alloy having a temperature-com... | 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 |
| 6938447 | Apparatus and method of correcting deformation of gas turbine blade An apparatus for correcting deformation of a gas turbine blade includes a stationary die fixed to a backside of a tip shroud of a gas turbine blade to hold a back surface thereof and a pressing die pressing a front surface of the tip shroud so as to press the tip sh... | 09/06/2005 |
| 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 |
| 6929566 | Golf club head and method of manufacturing the same A method of manufacturing a golf club head comprises: making a billet of a titanium alloy Ti-6Al-4V by machining an ingot of the titanium alloy; forging the billet into a face plate within a temperature range of from (the beta transformation temperature −150 degre... | 08/16/2005 |
| 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 |
| 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 |
| 6918972 | Ni-base alloy, heat-resistant spring made of the alloy, and process for producing the spring A Ni-base alloy which has excellent resistance to permanent set at high temperature and which can be produced at low cost, a heat-resistant spring made of the Ni-base alloy, and a process for producing the spring. The Ni-base alloy of the present invention consists ... | 07/19/2005 |
| 6913546 | Wood-type golf club head A wood-type golf club head comprises a club face provided with a high-resilience part whose Young's modulus E is in a range of from 40 to 80 GPa. The head volume is in a range of from 270 to 420 cc. The horizontal inertial moment is in a range of from 3000 to 4500 (... | 07/05/2005 |
| 6855215 | Tableware and method for surface treatment thereof, substrate having hard decorative coating film and method for production thereof Tableware of Ti or a Ti alloy having a surface hardened layer comprising a first hardened layer in which nitrogen and oxygen are diffused so as to form a solid solution and a second hardened layer which is formed in a region deeper than the first hardened layer. The... | 02/15/2005 |
| 6814820 | Heat treatment of titanium-alloy article having martensitic structure An article is formed of an alpha-beta titanium-base alloy, preferably an alloy having more than about 3.5 weight percent molybdenum. An example of such an article is a gas turbine compressor blade having a nominal composition, in weight percent, of about 4 percent a... | 11/09/2004 |
| 6800153 | Method for producing β-titanium alloy wire The diamter of β-titanium alloy wire is reduced by cold wire-drawing and the β-titanium alloy wire is subjected to heat treatment. The heat treatment comprises the first aging process for precipitation strengthening and the second aging process for removing proces... | 10/05/2004 |
| 6759134 | Process of forming a metallic article having a black oxide/ceramic surface and articles produced by the method A process for forming a metallic article having a black ornamental surface includes the steps of metallurgically providing an alloy containing between about 51 and 70 about percent by weight of titanium, between about 3 and about 17 percent by weight of niobium, and... | 07/06/2004 |
| 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 |
| 6632304 | Titanium alloy and production thereof A near-ଲ or ଲ titanium alloy having high strength, high ductility, and high toughness which is capable of coil rolling at a high temperature and recoiling for high productivity, and a process for producing said titanium alloy. The titanium all... | 10/14/2003 |
| 6596099 | Titanium articles and structures for ultrasonic inspection methods and systems A titanium article for an ultrasonic inspection is provided in which the titanium article can be ultrasonic inspected for determining its acceptability in for microstructurally sensitive applications. The ultrasonic inspection method comprises providing a... | 07/22/2003 |
| 6589371 | Method of processing titanium metal alloys A method of manufacturing titanium alloys in large-section semi-finished product form with controlled microstructure in micrograin and subcrystalline states of aggregation, with reduced metallographic texture, is achieved with the desired combination of m... | 07/08/2003 |
| 6565683 | Method for processing billets from multiphase alloys and the article The invention relates to plastic working of metals and alloys, predominantly low-plastic and hard-to-work ones, e.g., nickel-, titanium-, and iron-base high-temperature alloys, and producing billets for parts made by plastic working of said billets. The m... | 05/20/2003 |
| 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 |
| 6399215 | Ultrafine-grained titanium for medical implants We disclose ultrafine-grained titanium. A coarse-grained titanium billet is subjected to multiple extrusions through a preheated equal channel angular extrusion (ECAE) die, with billet rotation between subsequent extrusions. The resulting billet is cold p... | 06/04/2002 |
