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| Number | Title | Issue Date |
| 7740724 | Method for preventing formation of cellular gamma prime in cast nickel superalloys A method for preventing the formation of cellular gamma prime in nickel-based superalloys comprises the steps of: casting a nickel-based superalloy into a desired article; subjecting the cast article to hot isostatic pressing at a temperature in excess of 2000° F. ... | 06/22/2010 |
| 7618505 | Target of high-purity nickel or nickel alloy and its producing method Provided is high purity nickel or nickel alloy target for Magnetron sputtering having superior sputtering film uniformity and in which the magnetic permeability of the target is 100 or more, and this high purity nickel or a nickel alloy target for magnetron sputteri... | 11/17/2009 |
| 7459042 | Method of loading expandable medical device in a low vapor environment A method (112) of loading an expandable medical device in a low vapor environment. The method includes placing the device in a loading chamber (114) at, for example, room temperature and removing (116) from the chamber any undesirable contaminan... | 12/02/2008 |
| 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 |
| 7217330 | Turbine rotor heat treatment process A method of heat treating a turbine rotor disk to obtain different radial properties at different locations in the rotor disk includes a) heating the rotor disk for a period of from 4 to 10 hours at a temperature of 1800° F.; b) cooling the rotor disk to a temperat... | 05/15/2007 |
| 7198684 | Method for manufacturing articles using a semi-continuous flow of workpieces through metal working and annealing apparatus A plurality of gas turbine components or other articles are manufactured from a plurality of metallic-alloy workpieces using a manufacturing apparatus having a metalworking apparatus, and an annealing apparatus wherein the individual workpieces are annealed by singl... | 04/03/2007 |
| 7153377 | Method of separating admixed contaminants from superalloy metal powder A method is provided for separating superalloy metal powder from contaminants, such as process-produced contaminants, by enhancing the magnetic properties thereof in a carburizing atmosphere followed by magnetic separation of the contaminants from the superalloy met... | 12/26/2006 |
| 7056400 | Method of separating superalloy metal powder from admixed contaminants A method is provided for separating superalloy metal powder from contaminants, such as process-produced contaminants, by enhancing the magnetic properties thereof, such as by oxidizing or leaching of chromium, for example, followed by magnetic separation of the cont... | 06/06/2006 |
| 7041204 | Physical vapor deposition components and methods of formation A PVD component forming method includes inducing a sufficient amount of stress in the component to increase magnetic pass through flux exhibited by the component compared to pass through flux exhibited prior to inducing the stress. The method may further include ori... | 05/09/2006 |
| 7005018 | Shape memory parts of 60 Nitinol A process for making Type 60 Nitinol with shape memory effect from hot-worked material, such as hot rolled Type 60 Nitinol sheet or plate, includes heat treatment to a temperature of 600° C.–800° C. and holding the material at that temperature until the temperat... | 02/28/2006 |
| 6932877 | Quasi-isothermal forging of a nickel-base superalloy A forging blank of a forging nickel-base superalloy is forged in a forging press having forging dies made of a die nickel-base superalloy. The forging is accomplished by heating the forging blank to a forging-blank starting temperature of from about 1850° F. to abo... | 08/23/2005 |
| 6908519 | Isothermal forging of nickel-base superalloys in air A superalloy made of a forging nickel-base superalloy such as Rene™ 88DT or ME3 is forged in a forging press having forging dies made of a die nickel-base superalloy. The forging is accomplished by heating to a forging temperature of from about 1700° F. to about ... | 06/21/2005 |
| 6846397 | Physical vapor deposition components and methods of formation A PVD component forming method includes inducing a sufficient amount of stress in the component to increase magnetic pass through flux exhibited by the component compared to pass through flux exhibited prior to inducing the stress. The method may further include ori... | 01/25/2005 |
| 6830638 | Medical devices configured from deep drawn nickel-titanium alloys and nickel-titanium clad alloys and method of making the same Nickel-titanium alloys that have been deep drawn in a cold working process have linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. A medical device made from a structural element which has been deep drawn and subseque... | 12/14/2004 |
| 6780260 | Non-welded shape memory alloy rings produced from roll flattened wire A method for producing a non-welded shape memory alloy ring, such as Nitinol, includes a wire segment. The alloy ring may be used in a venting mechanism for rocket motors or as a coupling device, such as for fitting piping. ... | 08/24/2004 |
| 6610154 | Surface treatment of austenitic Ni-Fe-Cr based alloys for improved resistance to intergranular corrosion and intergranular cracking A surface treatment process for enhancing the resistance to intergranular corrosion and intergranular cracking of components fabricated from austenitic Ni--Fe--Cr based alloys comprising the application of surface deformation to the component, to a depth ... | 08/26/2003 |
| 6610119 | Nickel-molybdenum alloys High molybdenum, corrosion-resistant alloys are provided with greatly increased thermal stability by controlling the atom concentrations to be Nia Mob Xc Yd Ze, where: a is between about 73 and 77 atom... | 08/26/2003 |
| 6596102 | Shape memory alloy and method of treating the same A method of treating a shape memory alloy to improve its various characteristics and to cause it to exhibit a two-way shape memory effect. A raw shape memory alloy having a substantially uniformly fine-grained crystal structure is prepared and then its cr... | 07/22/2003 |
| 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 |
| 6482528 | Nickel-base alloy product and method of producing the same (1) A nickel-base alloy product having, on the surface thereof, an oxide film comprising at least two layers, namely a first layer mainly composed of Cr2 O3 and having a chromium content of not less than 50% relative to the total amo... | 11/19/2002 |
| 6475311 | Alloy materials An alloy having a cube textured substrate is disclosed. The alloy includes two different metals. The alloy can be used as a substrate for a superconductor. Optionally, one or more buffer layers can be disposed between the substrate and the superconductor ... | 11/05/2002 |
| 6444061 | PROCESS FOR PRODUCING HEAT-RESISTANT INTERMETALLIC COMPOUND NI3AL FOIL HAVING ROOM-TEMPERATURE DUCTILITY AND HEAT-RESISTANT INTERMETALLIC COMPOUND NI3AL FOIL HAVING ROOM-TEMPERATURE DUCTILITY A process for producing a heat-resistant intermetallic compound Ni3 Al foil having a room-temperature ductility, which comprises a first step of arc-melting an alloy having a chemical composition containing Ni as a main component and Al to form... | 09/03/2002 |
| 6436207 | Manufacture of target for use in magnetron sputtering of nickel and like magnetic metals for forming metallization films having consistent uniformity through life Improved targets for use in DC magnetron sputtering of nickel or like ferromagnetic face-centered cubic (FCC) metals are disclosed for forming metallization films having effective edge-to-edge deposition uniformity of 5% (3ς) or better. Such targets may ... | 08/20/2002 |
| 6409853 | Large forging manufacturing process A process for forging large components of Alloy 718 material so that the components do not exhibit abnormal grain growth includes the steps of: a) providing a billet with an average grain size between ASTM 0 and ASTM 3; b) heating the billet to a temperature of bet... | 06/25/2002 |
| 6348111 | Method for producing Fe--Ni alloy Fe--Ni alloy sheet having improved press-punching formability is produced by specifying the sulfide-forming elements [X%] and sulfur [%S] and by heating, prior to hot-working, to a temperature dependent upon the contents of these elements. The Fe--Ni allo... | 02/19/2002 |
| 6344097 | Surface treatment of austenitic Ni-Fe-Cr-based alloys for improved resistance to intergranular-corrosion and-cracking A surface treatment process for enhancing the intergranular corrosion and intergranular cracking resistance of components fabricated from austenitic Ni--Fe--Cr based alloys comprised of the application of surface cold work to a depth in the range of 0.01 ... | 02/05/2002 |
| 6287399 | Metallic article resistant to buckling Disclosed is an elongated metallic article having a curved section therein which has a first part formed on an outside part of the curved section, and a second part formed on an inside part of the curved section. The first part was initially deformed beyo... | 09/11/2001 |
| 6248192 | Process for making an alloy A process is disclosed for making an alloy comprising the steps of cladding with a tube a plurality of metal members including a first and a second metal to form a metal composite. The metal composite is drawn for reducing the diameter thereof. The tube i... | 06/19/2001 |
| 6193823 | Delta-phase grain refinement of nickel-iron-base alloy ingots An article is formed from an ingot of a nickel-iron base alloy having a composition including from about 4.5 weight percent niobium to about 5.5 weight percent niobium and capable of forming delta-phase precipitates, and having fewer than about 1 grain pe... | 02/27/2001 |
| 6106643 | Hot working high-chromium alloy Hot working a nickel-chromium alloy that contains by weight percent, 42 to 65 chromium, 0.002 to 0.1 calcium, 0.002 to 0.1 magnesium, 0 to 2 aluminum, about 0 to 5 cobalt, 0 to 3 copper, 0 to 5 iron, 0 to 5 manganese, 0 to 3 molybdenum, 0 to 3 niobium, 0 ... | 08/22/2000 |
| 6059904 | Isothermal and high retained strain forging of Ni-base superalloys A method combining isothermal and high retained strain forging is described for Ni-base superalloys, particularly those which comprise a mixture of γ and γ' phases, and most particularly those which contain at least about 40 percent by volume of γ'. Th... | 05/09/2000 |
| 6042662 | Process for manufacturing an article made of an oxide-dispersion-strengthened alloy This process makes it possible to manufacture articles of any shape by stamping, in which articles the matrix of the alloy has to have a coarse-grained structure. According to the invention, a partial hot-forming operation is carried out by stamping a bla... | 03/28/2000 |
| 5958159 | Process for the production of a superelastic material out of a nickel and titanium alloy A process for the production of a superelastic material out of a nickel and titanium alloy, characterized by the fact that it consists in obtaining an ingot starting from a mixing of nickel and titanium consisting in 55.6%&#b1;0.4% in weight of nickel and... | 09/28/1999 |
| 5843244 | Shape memory alloy treatment A method of treating a component formed from a Ni--Ti based shape memory alloy, so that the component exhibits superelasticity, comprises cold working the component, annealing the alloy while the component is restrained in the configuration resulting from... | 12/01/1998 |
| 5817193 | Metal alloys having improved resistance to intergranular stress corrosion cracking In the fabrication of components from a face centered cubic alloy, wherein the alloy is cold worked and annealed, the cold working is carried out in a number of separate steps, each step being followed by an annealing step. The resultant product has a gra... | 10/06/1998 |
| 5759305 | Grain size control in nickel base superalloys A method for forming nickel base superalloy articles of manufacture by a combination of hot die forging, isothermal forging and heat treatment below and above the solvus.... | 06/02/1998 |
| 5702543 | Thermomechanical processing of metallic materials In the fabrication of components from a face centred cubic alloy, wherein the alloy is cold worked and annealed, the cold working is carried out in a number of separate steps, each step being followed by an annealing step. The resultant product has a grai... | 12/30/1997 |
| 5547520 | Wear-resistant high permeability magnetic alloy and method of manufacturing the same The present invention provides a method for manufacturing a wear resistant igh permeability alloy consisting by weight of 60-90% Ni, 0.5-14% Nb, 0.0003-0.3% N and O in total (excluding 0% of N or O), and a remainder of Fe. The alloy has more than 3000 of e... | 08/20/1996 |
| 5374323 | Nickel base alloy forged parts Disclosed is a large alloy forging, the forging having an alloy composition selected from one of a nickel base alloy, a cobalt-chromium-nickel base alloy, a nickel-cobalt base alloy and an iron-nickel-chromium-molybdenum alloy, the forging having a grain ... | 12/20/1994 |
| 5360496 | Nickel base alloy forged parts Disclosed is a large alloy forging and method for making it. The forging having an alloy composition selected from one of a nickel base alloy, a cobalt-chromium-nickel base alloy, a nickel-cobalt base alloy and an iron-nickel-chromium-molybdenum alloy and... | 11/01/1994 |
