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| Number | Title | Issue Date |
| 7381369 | Free cutting alloy Provided is free cutting alloy excellent in machinability, preserving various characteristics as alloy. The free cutting alloy contains: one or more of Ti and Zr as a metal element component; and C being an indispensable element as a bonding component with the metal... | 06/03/2008 |
| 7165325 | Welding material, gas turbine blade or nozzle and a method of repairing a gas turbine blade or nozzle A welding material composition, which is a nickel based super alloy having γ′ phase and chromium carbides precipitated. The composition comprising 18 to 25% by weight of Co, 15 to 20% by weight of Cr, 1.5 to 5.5% by weight of Al, 5 to 14% by weight of W, 0.05 to ... | 01/23/2007 |
| 6964826 | Coated catalytic material with a metal phase in contact with a grain boundary oxide An industrial catalyst having: a support; a plurality of metallic particulates distributed throughout the support; and a metal at least partially covering the surface of the support. A method for making a catalyst including the steps of: forming a support wit... | 11/15/2005 |
| 6902633 | Nickel-base-alloy A nickel-base alloy consists of, by weight, about 15.0 to about 17.0% chromium, about 7.0 to about 10.0% cobalt, about 1.0 to about 2.5% molybdenum, about 2.0 to about 3.2% tungsten, about 0.6 to about 2.5% columbium, less than 1.5% tantalum, about 3.0 to about 3.9%... | 06/07/2005 |
| 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 |
| 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 |
| 6544668 | Ductile filler metal alloys for welding nickel aluminide alloys Nickel aluminum alloys are welded utilizing a nickel based alloy containing zirconium but substantially free of titanium and niobium which reduces the tendency to crack.... | 04/08/2003 |
| 6190465 | Soft magnetic alloy of the Fe-Ni-Cr-Ti type for a magnetic circuit of a high-sensitivity relay Soft magnetic alloy of the iron-nickel type, the chemical composition of which comprises, by weight: 40%ࣘNi+Coࣘ65%; 0%ࣘCoࣘ7%; 2%ࣘCrࣘ5%; 1%ࣘTiࣘ3%; 0%ࣘAlࣘ0.5%; 0%ࣘMn+Siࣘ2%; optionally, up to 3% Mo, 2% W, 2% V, 1.5% Nb, 1% Ta and... | 02/20/2001 |
| 6132535 | Process for the heat treatment of a Ni-base heat-resisting alloy Provided is a process for improving alloy properties which can improve the high-temperature ductility of a Ni-base heat-resisting alloy while maintaining its excellent high-temperature strength and weldability. Specifically, it relates to a process for th... | 10/17/2000 |
| 6027584 | Repair alloy compositions A Ni-base alloy composition comprises of Zr, B, and Si. Zr and B are coupled to each other to form ZrB2, the B and Zr suppress melting points of the Ni-base alloy composition. Further, a Ni-base alloy composition also comprises Cr, Ti, and Ni, ... | 02/22/2000 |
| 6004408 | Nickel-chrome-iron based alloy composition The invention relates to precipitation hardened alloy compositions comprising the following elements, with the contents expressed in % by weight: ______________________________________ nickel: ࣙ52.00% chromium: 20.50%-... | 12/21/1999 |
| 5968450 | Scandium containing hydrogen absorption alloy and hydrogen absorption electrode The present invention provides a scandium containing hydrogen absorption alloy having an alloy phase which is represented by the following formula; (Scx A1-x)(B'y B"2-y)z wherein A is at least one of Ti, Zr, ra... | 10/19/1999 |
| 5902700 | Hydrogen storage alloy electrode and manufacturing method of the same A hydrogen storage alloy electrode for use in electrochemical hydrogen storage cells, the electrode being in the form of a negative electrode fabricated by sintering a mixture of a hydrogen storage alloy containing manganese and an alloy containing a meas... | 05/11/1999 |
| 5866068 | Heat-resistant alloy A heat-resistant alloy suitable as a material for reactor tubes such as cracking tubes for producing ethylene in the petrochemical industry consisting essentially of, in % by weight, 0.1 to 0.5% of C, over 0% to not more than 4% of Si, over 0% to not more... | 02/02/1999 |
| 5759300 | Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres Alloy foils for liquid-phase diffusion bonding of heat-resisting metals in an oxidizing atmosphere comprise 6.0 to 15.0 percent silicon, 0.1 to 2.0 percent manganese, 0.50 to 30.0 percent chromium, 0.10 to 5.0 percent molybdenum, 0.50 to 10.0 percent vana... | 06/02/1998 |
| 5683822 | Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres Alloy foils for liquid-phase diffusion bonding of heat-resisting metals in an oxidizing atmosphere comprise 6.0 to 15.0 percent silicon, 0.1 to 2.0 percent manganese, 0.50 to 30.0 percent chromium, 0.10 to 5.0 percent molybdenum, 0.50 to 10.0 percent vana... | 11/04/1997 |
| 5626987 | Hydridable material for the negative electrode in a nickel-metal hydride storage battery A monophase hydridable material for the negative electrode of a nickel-metal hydride storage battery with a "Lave's phase" structure of hexagonal C14 type (MgZn2) has the general formula: Zr1-x Tix Nia Mnb... | 05/06/1997 |
| 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 |
| 5510080 | Oxide dispersion-strengthened alloy and high temperature equipment composed of the alloy There is provided an oxide dispersion-strengthened nickel alloy which has a hot working property, a structure stability at high temperature, improved creep characteristics at high temperature and improved heat resistant fatigue characteristics. The oxide ... | 04/23/1996 |
| 5384209 | Hydridable material for the negative electrode of a nickel-hydride storage cell The present invention provides a hydridable material for the negative electrode of a nickel-hydride storage cell mainly comprising a Laves phase of the C14 hexagonal type (MgZn2), characterized by the general formula: ##EQU1## where A... | 01/24/1995 |
| 5330710 | Nickel-base alloy for glass-contracting member used in unenergized state A nickel-base alloy for a glass-contacting member used in an unenergized state and having a composition comprising by weight 25 to 40% of chromium, 10 to 45% of cobalt, optionally 0.1 to 3.0% of titanium and optionally 0.01 to 0.05% of at least one elemen... | 07/19/1994 |
| 5217684 | Precipitation-hardening-type Ni-base alloy exhibiting improved corrosion resistance A precipitation-hardening-type Ni-base alloy exhibiting improved resistance to stress corrosion cracking in a sour gas atmosphere containing elemental sulfur at high temperatures is disclosed. The alloy consists essentially of, by weight %; ____... | 06/08/1993 |
| 5120614 | Corrosion resistant nickel-base alloy A nickel-chromium-molybdenum-niobium alloy affords high resistance to aggressive corrosives, including chlorides which cause crevice corrosion and oxidizing acids which promote intergranular corrosion, the alloy also being readily weldable and possessing ... | 06/09/1992 |
| 5114504 | High transformation temperature shape memory alloy A high temperature titanium-based shaped memory alloy contains from at least 0.1 at. % hafnium. Articles formed from the disclosed alloy have high transformation temperatures. The alloy of the invention can be successfully hot and cold worked to make arti... | 05/19/1992 |
| 5108523 | Shape memory alloy A shape memory alloy for repeated use, containing no noble metals. NiTiZr and NiTiZrCu shape memory alloys having As temperature which lies above 100° C. are disclosed. These shape memory alloys have the following composition: 41.5 to 54 atomi... | 04/28/1992 |
| 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 |
| 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 |
| 5000914 | Precipitation-hardening-type ni-base alloy exhibiting improved corrosion resistance A precipitation-hardening-type Ni-base alloy exhibiting improved resistance to stress corrosion cracking in a sour gas atmosphere containing elemental sulfur at high temperatures is disclosed. The alloy comprises essentially, by weight %; ______... | 03/19/1991 |
| 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 |
| 4981644 | Nickel-base superalloy systems Alloy compositions for nickel-base superalloys having the qualities of weldability, castability and forge-ability together with improved high temperature strength and rupture properties are disclosed. The weldability is improved by varying the Al, Ti, Nb ... | 01/01/1991 |
| 4915798 | Corrosion resistant aluminum product with uniformly grey, light-fast surface and process for its manufacture The present invention relates to an aluminum alloy containing vanadium characterized by improved corrosion resistance and articles made therefrom wherein said articles when anodized have a uniformly grey, light-fast surface and a reflectivity of at most 5... | 04/10/1990 |
| 4898794 | Hydrogen absorbing Ni,Zr-based alloy and rechargeable alkaline battery A hydrogen absorbing Ni,Zr-based alloy comprising 5 to 20% by weight of titanium (Ti), 10 to 37% by weight of zirconium (Zr), 5 to 30% by weight of manganese (Mn), 0.01 to 15% by weight of tungsten (W), 6 to 30% by weight of iron (Fe), and optionally at l... | 02/06/1990 |
| 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 |
| 4808225 | Method for producing an alloy product of improved ductility from metal powder A process for producing an alloy product of improved ductility from metal powder. It includes the steps of: providing metal powder having at least 5 wt. % of one or more reactive elements from the group consisting of titanium, aluminum, hafnium, niobium, ... | 02/28/1989 |
| 4788036 | Corrosion resistant high-strength nickel-base alloy Nickel-base alloys containing special and correlated percentages of chromium, iron, molybdenum, titanium, columbium, aluminum etc. (i) provide an attractive combination of strength, ductility, resistance to environmental media and other desirable characte... | 11/29/1988 |
| 4702887 | Corrosion resistant casting alloy for wear A corrosion and wear resistant nickel based alloy having unique high molybdenum content with additions of bismuth and tin or bismuth, tin and antimony dispersed as second phase particles. The resulting alloy is particularly suited for wear ring applicatio... | 10/27/1987 |
| 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 |
| 4636251 | Materials for electrical contact A new alloy material for use in electrical contacts is disclosed, comprising by weight the balance of nickel.... | 01/13/1987 |
