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| Number | Title | Issue Date |
| 7713364 | Manganese alloy sputtering target and method for producing the same A manganese alloy sputtering target characterized in that oxygen is 1000 ppm or less, sulfur is 200 ppm or less and a forged texture is provided, and a method for producing a forged manganese alloy target stably by eliminating the drawbacks of manganese alloy that i... | 05/11/2010 |
| 7244320 | Methods for repairing gas turbine engine components Systems and methods for repairing Thermo-Span® gas turbine engine components are described herein. Embodiments of these methods minimize post-weld residual stresses in a weld repaired Thermo-Span® component by solution heat treating the component by heating the co... | 07/17/2007 |
| 7184883 | GPS-based steering needle instrument A a flight instrument enabling a pilot to intercept and precisely follow a predefined GPS track. The instrument—known as a GPS steering indicator—provides a visual display which is similar in appearance to other aircraft instruments (and therefore instantly reco... | 02/27/2007 |
| 7138582 | Medical electrical lead conductor formed from modified MP35N alloy A medical electrical lead having an elongated conductor including one or more wires made of a modified MP35N alloy. The modified MP35N alloy is formed from a melt composition modified to reduce an amount of titanium-based inclusion forming elements. ... | 11/21/2006 |
| 7048813 | Foil-form soldering metal and method for processing the same The present invention provides a processing method capable of continuously working an Au—Sn soldering metal having a foil form in room temperature. The foil-form soldering metal containing from 10% by weight to 90% by weight of Au and balance comprising Sn is subj... | 05/23/2006 |
| 6630251 | Leach-resistant solder alloys for silver-based thick-film conductors A tin-lead solder alloy containing copper and/or nickel and optionally silver, palladium, platinum and/or gold as its alloying constituents. The solder alloy consists essentially of, by weight, about 5% to about 70% tin, up to about 4% silver palladium, p... | 10/07/2003 |
| 6616779 | Workpiece made from a chromium alloy In a process for producing a workpiece from a chromium alloy, consisting of:... | 09/09/2003 |
| 6406572 | Process for the production of a workpiece from a chromium alloy, and its use In a process for producing a workpiece from a chromium alloy, consisting of: 32-37 % by weight chromium, 28-36 % by weight nickel, max. 2 % by weight manganese, m... | 06/18/2002 |
| 6372063 | Process for manufacturing metallic component and such metallic component The process for manufacturing a metallic component, such as a wheel part for the rolling system of a vehicle, which includes, in an initial stage, forming the component of a metallic material in a semi-solid state and having a thixotropic structure, and i... | 04/16/2002 |
| 6334912 | Thermomechanical method for producing superalloys with increased strength and thermal stability A thermomechanical process for producing high strength and thermally stable alloys, comprising the steps of: pre-heating an alloy bar or rod stock of a pre-selected size at a temperature below that at which grain growth occurs; and thereafter rotoforging ... | 01/01/2002 |
| 6146478 | Heat treatment process for material bodies made of a high-temperature-resistant iron-nickel superalloy, and heat-treatment material body A heat treatment process for material bodies made of a high-temperature-resistant iron-nickel superalloy of the type IN 706 comprises the following steps: solution annealing at approximately 965 to 995° C. for 5 to 20 hours, stabilization annealing at ap... | 11/14/2000 |
| 5846353 | Process for the production of a body of material stable at high temperatures from an iron-nickel superalloy of the type in 706 A process for the production of a body of material stable at high temperatures. In this process, the body of material is formed by solution annealing and subsequent precipitation hardening of a hot work-hardened starting body composed of an iron-nickel su... | 12/08/1998 |
| 5792286 | High-strength thin plate of iron-nickel-cobalt alloy excellent in corrosion resisitance, repeated bending behavior and etchability, and production thereof A high-strength thin plate, such as for IC lead frames, of an iron-nickel-cobalt alloy which is able to withstand repeated bending and is corrosion resistance and etchable, the alloy containing 27 to 30 wt. % N:, 5 to 18 wt. % Co, 0.10 to 3.0 wt. % Mn, 0.... | 08/11/1998 |
| 5693159 | Superalloy forging process A process for producing a fine grain forged superalloy article having a high yield strength at intermediate temperatures. A preferred starting composition comprises, by weight, 15% Cr, 13.6% Co, 4.1% Mo, 4.6% Ti, 2.2% Al, 0.01% C, 0.007% B, 0.07% Zr, bala... | 12/02/1997 |
| 5534085 | Low temperature forging process for Fe-Ni-Co low expansion alloys and product thereof A method of treating low-expansion Fe--Ni--Co superalloys is disclosed in which the alloys are forged at a temperature below the recrystallization temperature and then recrystallized without the use of intervening annealing steps. It is necessary that the... | 07/09/1996 |
| 5429690 | Method of precipitation-hardening a nickel alloy The Application relates to a precipitation hardening alloy which has a 0.2% proof stress of at least 500 N/mm2 and a high resistance to corrosion in highly aggressive sour gas media. The alloy consists of 43 to 51% nickel, 19 to 24% chromium, 4... | 07/04/1995 |
| 5415712 | Method of forging in 706 components In a method of forging an IN 706 alloy component, the component is forged at about 1750° F. to 1825° F. The component is cooled by quenching to minimize the formation of embrittling grain boundary phases, and subsequently air cooled to prevent surface c... | 05/16/1995 |
| 5252149 | Ferrochromium alloy and method thereof An erosion and corrosion resistant ferrochromium alloy comprising the following composition, in wt. %, 34-50 chromium, 1.5-2.5 carbon, up to 5 manganese, up to 5 silicon, up to 5 molybdenum, up to 10 nickel, up to 5 copper, up to 1% of each of one or more... | 10/12/1993 |
| 5246511 | High-strength lead frame material and method of producing same A high-strength lead frame material consists, by weight, of 0.5 to 22% Co, 22 to 32.5% Ni, not more than 1.0% Mn, not more than 0.5% Si, at least one kind of 0.1 to 3.0% in total selected from the group consisting of Nb, Ti, Zr, Mo, V, W and Be, and the b... | 09/21/1993 |
| 5147470 | High strength lead frame material and method of producing the same A high strength lead frame material consists essentially, by weight, of 0.5 to 22% Co, 22 to 32.5% Ni, not more than 1.0% Mn and not more than 0.5% Si and the balance Fe and incidental impurities. The contents of Ni and Co are selected so that the Ni cont... | 09/15/1992 |
| 5120373 | Superalloy forging process A process for producing a fine grain forged superalloy article having a high yield strength at intermediate temperatures. A preferred starting composition comprises, by weight, 15% Cr, 13.6% Co, 4.1% Mo, 4.6% Ti, 2.2% Al, 0.01% C, 0.007% B, 0.07% Zr, bala... | 06/09/1992 |
| 5082506 | Process of forming niobium and boron containing titanium aluminide A method for providing improved ductility in a castable gamma titanium aluminide is taught. The method involves adding inclusions of boron to the titanium aluminide containing higher concentrations of niobium and thermomechanically working the casting. Bo... | 01/21/1992 |
| 5076858 | Method of processing titanium aluminum alloys modified by chromium and niobium A method of preparing a TiAl base composition containing niobium and chromium according to the formula Ti48 Al48 Cr2 Nb2 is taught. The composition is melted and cast. It is then homogenized at temperatures up t... | 12/31/1991 |
| 5059257 | Heat treatment of precipitation hardenable nickel and nickel-iron alloys This invention provides a process for improving, to at least a predetermined level, the stress rupture life and/or stress rupture ductility of precipitation hardenable nickel and nickel-iron base alloys containing nickel, niobium, and silicon when said al... | 10/22/1991 |
| 5032189 | Method for refining the microstructure of beta processed ingot metallurgy titanium alloy articles Near-alpha and alpha+beta titanium alloy components are produced by a process which comprises the steps of forging an alloy billet to a desired shape at a temperature at or above the beta-transus temperature of the alloy to provide a forged component, hea... | 07/16/1991 |
| 5026435 | High strength lead frame material and method of producing the same A high strength lead frame material consists, by weight, of 0.5 to 22% Co, 22 to 32.5% Ni, not more than 1.0% Mn and not more than 0.5% Si and the balance Fe and incidental impurities. The contents of Ni and Co are selected so that the Ni content is 27 to... | 06/25/1991 |
| 5019184 | Corrosion-resistant nickel-chromium-molybdenum alloys A homogenizaton heat treatment for enhancing crevice and pitting corrosion resistance minimizes the formation of Mu phase in nickel-base alloys of high combined percentages of chromium, e.g., 19 to 23% and molybdenum, e.g., 14 to 17%, particularly togethe... | 05/28/1991 |
| 5019179 | Method for plastic-working ingots of heat-resistant alloy containing boron There is disclosed a method for plastic-working a heat-resistant alloy containing boron, which is in the form of an ingot. The ingot of the alloy is first subjected to hot working. Subsequently, annealing, acid-washing and cold working are carried out on ... | 05/28/1991 |
| 4979995 | Member made of nickel base alloy having high resistance to stress corrosion cracking and method of producing same A member adapted for use under a stress in an atmosphere of a temperature below the creep temperature and made from an Ni base alloy having a high resistance to stress corrosion cracking. The Ni alloy consists essentially of, by weight, 15 to 25% of Cr, 1... | 12/25/1990 |
| 4969964 | Heat treatment method for reducing polythionic acid stress corrosion cracking A heat treatment of alloy 617 generally including 732° C.-927° C. (1350° F.-1700° F.) for about one hour. The resultant discontinuous carbide network in the grain boundaries inhibits stress corrosion crack growth in polythionic acid environments.... | 11/13/1990 |
| 4888064 | Method of forming strong fatigue crack resistant nickel base superalloy and product formed A novel alloy is provided having approximately the following ingredient formula: ______________________________________ Element Composition in weight % ______________________________________ Ni balance Cr 16 Co ... | 12/19/1989 |
| 4859252 | High damping capacity alloy and a process for producing the same A high damping capacity alloy comprising of 0.3-20% by weight of Si and the remainder of Al and, as the case may be, further comprising of 0.1-50% by weight in total of at least one subingredient of Pb, Sb, Ge, Ce, Ni, Co, Fe, Nb, Zr, Ti, Ca and B, the al... | 08/22/1989 |
| 4854978 | Manufacturing method for high hardness member A metal molded shape having a high hardness surface layer which is hard to work is obtained by casting an easy to work alloy member into a desired molded form, and then changing the composition of the member surface by volatilizing off the high vapor pres... | 08/08/1989 |
| 4789410 | Method for heat treating and quenching complex metal components using salt baths Salt bath techniques are used to heat treat and quench a metal component. The component is first heated to the required heat treatment temperature while disposed within a sealed, first salt bath. Then, while still within the first salt bath, the component... | 12/06/1988 |
| 4761190 | Method of manufacture of a heat resistant alloy useful in heat recuperator applications and product A method of manufacturing nickel-iron-chromium alloys for use with recuperators. A combination of intermediate annealing, cold working and final annealing results in an alloy having a greater yield strength than a corresponding solution annealed material.... | 08/02/1988 |
| 4750950 | Heat treated alloy A process for heat treating alloy objects which comprises solution treating a nickel-base alloy containing chromium, molybdenum, copper, titanium, aluminum and iron at a temperature in excess of 955° C. and then aging the alloy without intervening cold w... | 06/14/1988 |
| 4714501 | Method for thermal treatment of alloy for heat transfer pipes An alloy for heat transfer pipes excellent in an alkali stress corrosion cracking resistance which is obtained by heating and retaining said alloy at a temperature within the range of a temperature (T°C.), at which a carbide in said alloy is thoroughly s... | 12/22/1987 |
| 4685978 | Heat treatments of controlled expansion alloy Controlled low expansion alloys containing nickel, titanium, columbium, silicon, etc., and optionally cobalt can be heat treated using relatively short periods of time. Aging treatments can be less than eight hours, for example, four hours.... | 08/11/1987 |
| 4652315 | Precipitation-hardening nickel-base alloy and method of producing same A precipitation-hardening Ni-base alloy exhibiting improved resistance to corrosion under a corrosive environment containing at least one of hydrogen sulfide, carbon dioxide and chloride ions and method of producing the same are disclosed. The alloy is of... | 03/24/1987 |
| 4614550 | Thermomechanical treatment process for superalloys Thermo-mechanical treatment of superalloys enabling simultaneously the production of a structure which is fine and homogeneous, with work hardened grains, a reduction in the stresses resulting from cooling and the absence of parasitic phase (Ni3 | 09/30/1986 |
