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| Number | Title | Issue Date |
| 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 |
| 6936116 | Nickel-based alloy for producing components solidified in single crystal form A nickel-based alloy for producing, by casting, components which have solidified in single crystal form, contains rhenium and tungsten, as well as aluminium, chromium and cobalt. The rhenium content is at least 2.3% by weight, and the weight ratio of the tungsten co... | 08/30/2005 |
| 6818077 | High-strength Ni-base superalloy and gas turbine blades A nickel-based superalloy containing 12.0 to 16.0% by weight of Cr, 4.0 to 9.0% by weight of Co, 3.4 to 4.6% by weight of Al, 0.5 to 1.6% by weight of Nb, 0.05 to 0.16% by weight of C, 0.005 to 0.025% by weight of B, and at least one of Ti, Ta and Mo. Amounts of Ti,... | 11/16/2004 |
| 6764646 | Ni-Cr-Mo-Cu alloys resistant to sulfuric acid and wet process phosphoric acid A nickel-chromium-molybdenum-copper alloy that is resistant to sulfuric acid and wet process phosphoric acid contains in weight percent 30.0 to 35.0% chromium, 5.0 to 7.6% molybdenum, 1.6 to 2.9% copper, up to 1.0% manganese, up to 0.4% aluminum, up to 0.6% silicon,... | 07/20/2004 |
| 6740292 | Nickel-base superalloy The invention relates to a nickel-base superalloy. The alloy according to the invention is characterized by the following chemical composition (details in % by weight): 7.7-8.3 Cr, 5.0-5.25 Co, 2.0-2.1 Mo, 7.8-8.3 W, 5.8-6.1 Ta, 4.9-5.1 Al, 1.3-1.4 Ti, 0.11-0.15 Si,... | 05/25/2004 |
| 6696176 | Superalloy material with improved weldability A fusion weldable superalloy containing 0.005-0.5 wt. % scandium. In one embodiment, the superalloy may have a composition similar to IN-939 alloy, but having added scandium and having only 0.005-0.040 wt. % zirconium. A gas turbine component may be forme... | 02/24/2004 |
| 6303015 | Amorphous metallic glass electrodes for electrochemical processes Metallic glass/amorphous metal electrodes produced by rapid solidification (i) having a structure that is either amorphous or nanocrystalline, (ii) containing tile principal alloying element as Ni, (iii) containing alloying additions of Co and at least on... | 10/16/2001 |
| 6284392 | Superalloys with improved weldability for high temperature applications A cast nickel-base superalloy component (10) is made having a composition containing small amounts of both boron and zirconium which are effective in combination to provide increased weldability, where such alloy is adapted for welding by weld (18) to a s... | 09/04/2001 |
| 6280540 | Copper-containing Ni-Cr-Mo alloys The C-type nickel base alloys of the type containing significant amounts of chromium (about 16 to 25%) and molybdenum (about 12 to 18%) may be improved by adding small but critical amounts of copper (about 1 to 3.5%) which their general corrosion resistan... | 08/28/2001 |
| 6242113 | Welding alloy and articles for use in welding, weldments and methods for producing weldments A nickel, chromium, iron alloy for use in producing weld deposits. The alloy comprises, in weight percent, about 27 to 31.5 chromium; about 7 to 11 iron; about 0.005 to 0.05 carbon; less than about 1.0 manganese, preferably 0.30 to 0.95 manganese; about 0... | 06/05/2001 |
| 6207291 | High-temperature sliding alloy and sliding contact structure using same There is disclosed a high temperature sliding alloy consisting of, by weight, 2 to 8% Cr, 2 to 10% Fe, 0.1 to 1.5% Si, 2 to 22% Co, 1.4 to 11% Mo, and the balance Ni, wherein 1 to 35% by weight of Co--Mo--Cr--Si base hard particles are dispersed in a matr... | 03/27/2001 |
| 5882440 | Heat-resistant alloy steel for hearth metal members of steel material heating furnaces A heat-resistant alloy comprising, as expressed in % by weight, 0.03 to 0.1% of C, 0.2 to 0.7% of Si, 0.2 to 0.7% of Mn, 42 to 60% of Ni, 25 to 35%0 of Cr, 8 to 20% of W, over 0% to not more than 8% Mo, over 0% to not more than 5% of Co, and the balance s... | 03/16/1999 |
| 5783145 | Iron-nickel alloy and cold-rolled strip with a cubic texture An iron-nickel alloy, the chemical composition of which includes by weight: 30%ࣘNi+Coࣘ85%; 0%ࣘCo+Cu+Mnࣘ10%; 0%ࣘMo+W+Crࣘ4%; 0%ࣘV+Siࣘ2%; 0%ࣘNb+Taࣘ1%; 0.003%ࣘCࣘ0.05% 0.003%ࣘTiࣘ0.15%; 0.003%ࣘTi+Zr+Hfࣘ0.15%; 0.001% | 07/21/1998 |
| 5529642 | Nickel-based alloy with chromium, molybdenum and tantalum A nickel-based alloy which is excellent not only in anti-corrosion properties but also in workability is disclosed. The alloy contains 15 to 35 weight % of chromium; 6 to 24 weight % of molybdenum; wherein the sum of chromium plus molybdenum is no greater... | 06/25/1996 |
| 5516485 | Weldable cast heat resistant alloy Air meltable, weldable cast alloys of high hot strength and hot gas corrosion resistance especially in the service temperature range of about 1800° F. to 2100° F. which consist essentially of: ______________________________________ Nickel ... | 05/14/1996 |
| 5364587 | Nickel alloy for hydrogen battery electrodes Master alloys and methods of producing same are disclosed, wherein an intermetallic compound is first prepared via thermite processing, then size reduced, then mixed with other components in amounts yielding a mixture in the desired proportion for the mas... | 11/15/1994 |
| 5194222 | Alloy and composite steel tube with corrosion resistance in combustion environment where V, NA, S and C1 are present An alloy exhibiting corrosion resistance in a combustion environment where V, Na, S and Cl are present comprises, in weight percent, not more than 0.05% C, 0.02-0.5% Si, 0.02-0.5% Mn, 15-35% Cr, 0.5-4% Mo, 10-40% Co, 5-15% Fe, 0.5-5% W, 0.0003-0.005% Ca a... | 03/16/1993 |
| 5077006 | Heat resistant alloys This invention relates to heat and corrosion resistant alloys for structural parts in industrial furnaces and similar installations requiring hot strength, long life and resistance to hot gas corrosion, carburization and thermal fatigue, and to master all... | 12/31/1991 |
| 5063023 | Corrosion resistant Ni- Cr- Si- Cu alloys Disclosed is a nickel-base alloy for use under "super oxidizing" environments, for example, concentrated sulfuric acid, fuming nitric acid, chromium acid and mixtures containing chromic acid. The alloy has good strength and may be precipitation hardened. ... | 11/05/1991 |
| 5019459 | High temperture corrosion resistant bimetallic cylinder A high temperture, bimetallic cylinder of either ASTM 193B-16 carbon steel or duplex stainless steel having a wear and corrosion resistant inlay or liner of a nickel-based alloy containing 1.5 to 4.5% carbon, 1.5 to 3.5% silicon, 1.0 to 3.0% boron, up to ... | 05/28/1991 |
| 4997623 | Heat-deformable, austenitic nickel-chromium-iron alloy with high oxidation resistance and thermal strength A heat-deformable, austenitic nickel-chromium-iron alloy with high oxidation resistance and thermal strength, comprises 17 up to 25 % Fe 14 up to 20 % Cr 0.5 up to 2.0 % Si 0.1 up to 2.0 % Mn 0.04 up to 0.10 % C 0.02 up to 0.10 % Ca 0.010 up to 0.080 % N 0.025 up t... | 03/05/1991 |
| 4889696 | Chemical reactor for nitric acid Disclosed herein is an improved chemical reactor apparatus of the type suitable for supporting a catalyst during the high temperature oxidation of ammonia to form nitric acid which is fabricated from a superior nickel base superalloy containing about: 20 ... | 12/26/1989 |
| 4874577 | Wear-resistant intermetallic compound alloy having improved machineability Disclosed is a wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: 45-60% of either Ni or Co or both with cobalt content of at least 5%, at least one of 0.1-2% of Hf and 0.05-2% of Re, 0-2% of at least... | 10/17/1989 |
| 4853183 | Air meltable castable corrosion resistant alloy and its process thereof A highly corrosion resistant, durable, strong, hardenable and relatively inexpensive nickel based alloy containing chromium and a high iron content has improved castability and weldability. The alloy contains approximately the quantities indicated: nickel... | 08/01/1989 |
| 4765956 | Nickel-chromium alloy of improved fatigue strength Nickel-chromium alloys consisting essentially of from 30-75 nickel, 12-30% chromium, up to 10% molybdenum, up to 8% tungsten, up to 15% cobalt, up to 5% of niobium and/or tantalum, titanium plus aluminum up to 5%, and carbon nitrogen and silicon in correl... | 08/23/1988 |
| 4762682 | Nickel-base super alloy Disclosed herein is an improved chemical reactor apparatus of the type suitable for supporting a catalyst during the high temperature oxidation of ammonia to form nitric acid which is fabricated from a superior nickel base superalloy containing about: 20 ... | 08/09/1988 |
| 4692305 | Corrosion and wear resistant alloy A novel alloy is disclosed which is characterized by high resistance to wear and corrosion. The alloy consists essentially of 2 to 25% chromium, 5 to 30% molybdenum, 3 to 15% tungsten, 2 to 8% copper, 2 to 8% boron, and 0.2 to 2% carbon; the balance being... | 09/08/1987 |
| 4689279 | Composite containing nickel-base austenitic alloys A solid solution, nonmagnetic, austenitic nickel base alloy class is described. It contains: about 12 to 21 weight percent chromium; a concentration of molybdenum and/or tungsten, such that the sum of the weight percent molybdenum and one third the weight... | 08/25/1987 |
| 4673123 | Filler for welding a heat resistant nickel-base alloy A filler for welding a heat-resistant nickel-base alloy is disclosed. The filler comprises heat-resistant nickel-base alloy and an additive of 0.003 to 0.015 wt % boron based on the total weight of the filler metal. The filler may further comprise an othe... | 06/16/1987 |
| 4514360 | Wrought single crystal nickel base superalloy Single crystal nickel base superalloys of the gamma-gamma prime type are strengthened by deforming them 2-14% at temperatures in the range 700°-1100° C. Yield strength will be increased typically by 25-50%, depending on the crystallographic orientation.... | 04/30/1985 |
| 4439236 | Complex boride particle containing alloys Boron-containing transition metal alloys based on one or more of iron, cobalt and nickel, and containing at least two metal components, are characterized by being composed of ultrafine grains of a primary solid-solution phase randomly interspersed with pa... | 03/27/1984 |
| 4425300 | Hard facing nickel-base alloy Hard facing nickel-base alloy comprising 10 to 25% by weight of chromium, 3 to 15% by weight of molybdenum, 3 to 7% by weight of silicon, 1 to 2.5% by weight of carbon and 1 to 30% by weight of iron, the balance being substantially nickel. The alloy may a... | 01/10/1984 |
| 4415530 | Nickel-base welding alloy A welding alloy particularly directed to use as a wrought filler metal and contains selected percentages of chromium, molybdenum, manganese, columbium, magnesium, a number of trace elements and the balance essentially nickel.... | 11/15/1983 |
| 4410490 | Nickel and cobalt alloys which contain tungsten aand carbon and have been processed by rapid solidification process and method New nickel and cobalt base alloys containing tungsten and carbon are disclosed. The alloys are subjected to rapid solidification processing (RSP) technique which produces cooling rates between 105 ° to 107 ° C./sec. The as-quenched... | 10/18/1983 |
| 4400349 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking An alloy useful for manufacturing high strength oil-well casing, tubing and drill pipes for use in oil-well operations is disclosed. The alloy exhibits improved resistance to stress corrosion cracking in the H2 S--CO2 --Cl- | 08/23/1983 |
| 4400209 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking An alloy useful for manufacturing high strength deep well casing, tubing and drill pipes for use in oil-well operations is disclosed. The alloy exhibits improved resistance to stress corrosion cracking in the H2 S--CO2 --Cl- | 08/23/1983 |
| 4400210 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking An alloy useful for manufacturing high strength deep well casing, tubing and drill pipes for use in oil-well operations is disclosed. The alloy exhibits improved resistance to stress corrosion cracking in the H2 S--CO2 --Cl- | 08/23/1983 |
| 4400211 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking An alloy useful for manufacturing high strength deep well casing, tubing and drill pipes for use in oil-well operations is disclosed. The alloy exhibits improved resistance to stress corrosion cracking in the H2 S-CO2 -Cl-... | 08/23/1983 |
| 4363659 | Nickel-base alloy resistant to wear A nickel-base alloy resistant to wear is disclosed. The alloy contains as its principal elements chromium, molybdenum, silicon, boron and carbon. The alloy, when composed of the elements in the proportions as taught, provides an outstanding combination of... | 12/14/1982 |
| 4203748 | Glass fiberization spinner In the technique for fiberizing glass by the use of a centrifugal spinner delivering glass streams into an attenuating blast, a novel spinner construction is provided, and provision is also made for increasing the production, while also providing for the ... | 05/20/1980 |
