Titanium Containing Patents (Class 420/446)
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Patent number: 5364587Abstract: 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 master alloy. The mixture is compacted, then heated to produce the master alloy, which is used for making Nickel-based alloys used, (for example), in hydrogen battery electrodes.Type: GrantFiled: July 23, 1992Date of Patent: November 15, 1994Assignee: Reading Alloys, Inc.Inventor: Frederick H. Perfect, deceased
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Patent number: 5294239Abstract: In section bars and shaped bodies made of nickel-base superalloys having a structure consisting of columnar grains, a complete recrystallization cannot be effected unless the heating-up rate is kept below a maximum heating-up rate T.sub.max, which depends on the ratio V of one or more of the metal carbide-forming elements hafnium, niobium, tantalum, titanium and zirconium to one or both of the metal carbide-forming elements tungsten and molybdenum.Type: GrantFiled: May 6, 1991Date of Patent: March 15, 1994Assignee: PM Hochtemperatur-Metall GmbHInventors: Klaus Zoltzer, Klaus Lempenauer, Hellmut Fischmeister
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Patent number: 5068084Abstract: An article exhibiting superior mechical properties and resistance to oxidation corrosion at elevated temperatures as described. The article has particular utility in gas turbine engines and is comprised of a nickel base superalloy consisting essentially of 3-10% Cr, 12.1-16% Co, 1.0-1.9% Mo, 3-10% W, 0-5% Re, 4-7% Al, 0-1.5% Ti, 0-8% Ta, 0.5-3% Hf, 0-2% Cb, 0-1% V, 0.02-0.12% Zr, 0.03-0.2% C, 0.005-0.25% B, 0-0.15% of an oxygen active element such as yttrium, balance essentially nickel. This composition is melted and directionally solidified in columnar grain form to provide useful articles.Type: GrantFiled: January 2, 1986Date of Patent: November 26, 1991Assignee: United Technologies CorporationInventors: Alan D. Cetel, David N. Duhl
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Patent number: 5063023Abstract: 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. Its thermal stability and weldability are excellent. The alloy has a high degree of resistance to pitting. A nominal composition contains, in percent by weight, about 20 chromium, about 2 copper, about 2 iron, about 2 molybdenum, about 5 silicon and the balance nickel plus normal impurities.Type: GrantFiled: November 17, 1989Date of Patent: November 5, 1991Assignee: Haynes International, Inc.Inventor: Narasi Sridhar
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Patent number: 5006163Abstract: A novel, nickel-base, high temperature alloy body preferably containing about 20% chromium, 6 to 7% aluminum to provide phase, 1.5 to 2.5% molybdenum, 3 to 4.5% tungsten, additional strengthening elements and oxidic yttrium in finely dispersed form. The alloy body has an elongated crystal structure and is characterized by high strength along with excellent hot corrosion and oxidation resistance.Type: GrantFiled: May 8, 1989Date of Patent: April 9, 1991Assignee: Inco Alloys International, Inc.Inventors: Raymond C. Benn, Jeffrey M. Davidson, Kenneth R. Andryszak
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Patent number: 4997623Abstract: A heat-deformable, austenitic nickel-chromium-iron alloy with high oxidation resistance and thermal strength, comprises17 up to 25 % Fe14 up to 20 % Cr0.5 up to 2.0 % Si0.1 up to 2.0 % Mn0.04 up to 0.10 % C0.02 up to 0.10 % Ca0.010 up to 0.080 % N0.025 up to 0.045 % Ti0.04 up to 0.17 % Zr0.03 up to 0.08 % Yless than 0.010 % Sless than 0.015 % Peach less than 0.1 % Mo, W, Coeach less than 0.05 % Nb, Ta, Al, V, Curest Niwith the feature, that the nitrogen content is adjusted in accordance with the following formula:% N=(0.15 up to 0.30).times.% Zr+(0.30 up to 0.60).times.% Ti.Type: GrantFiled: March 9, 1990Date of Patent: March 5, 1991Assignee: VDM Nickel-Technologie AGInventor: Ulrich Brill
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Patent number: 4898794Abstract: 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 least one of 0.1 to 7% by weight of Cu, 0.05 to 6% by weight of Cr and 0.01 to 5% by weight of Al, and balance nickel (Ni) and unavoidable impurities; and a sealed Ni-hydrogen rechargeable battery comprising a negative electrode provided with a hydrogen absorbing alloy as an active material, an Ni positive electrode, a separator and an alkaline electrolytic solution, wherein the hydrogen absorbing alloy is composed of such hydrogen absorbing Ni,Zr-based alloy.Type: GrantFiled: July 17, 1989Date of Patent: February 6, 1990Assignee: Mitsubishi Metal CorporationInventors: Hidekazu Doi, Ritsue Yabuki
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Patent number: 4882125Abstract: Nickel-base, high chromium alloys characterized by good sulfidation and oxidation resistance consisting essentially of about 27 to 35% chromium, about 2.5 to 5% aluminum, about 2.5 to about 6% iron, 0.5 to 2.5% columbium, up to 0.1% carbon, up to 1% each of titanium and zirconium, up to 0.05% cerium, up to 0.05% yttrium, up to 1% silicon, up to 1% manganese, balance nickel.Type: GrantFiled: April 22, 1988Date of Patent: November 21, 1989Assignee: INCO Alloys International, Inc.Inventors: Gaylord D. Smith, Curtis S. Tassen
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Patent number: 4877435Abstract: A mechanically alloyed composition of matter or alloy containing 30-40% chromium, 5-25% cobalt, 0.5-10% iron, 0.2-0.6% aluminum, 0.3-1.2% titanium, up to 0.15% carbon, about 0.2-1% yttria, up to about 0.3% nitrogen, the % titanium being at least about 1.4 times the % nitrogen, minor amounts of optional elements, the balance being essentially nickel. The consolidated and hot worked alloy with coarse grains produced by heat treatment at about 1300.degree. C. is useful in service requiring hot strength along with extraordinary resistance to oxidation, sulfidation and hot corrosive media. Specific utilization of the alloy of the invention is contemplated in handling molten glass and in utensils adapted to be used in contact with molten glass, e.g. spinners.Type: GrantFiled: February 8, 1989Date of Patent: October 31, 1989Assignees: Inco Alloys International, Inc., Owens-Corning Fiberglas CorporationInventors: Ronald M. Haeberle, Jr., Gaylord D. Smith, John H. Weber, Roneldo L. Fisher, David J. Gaul, Jay W. Hinze
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Patent number: 4839140Abstract: An improved nickel-iron aluminide containing chromium and molybdenum additions to improve resistance to sulfur attack.Type: GrantFiled: August 31, 1987Date of Patent: June 13, 1989Assignee: The United States of America as represented by the United States Department of EnergyInventors: John V. Cathcart, Chain T. Liu
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Patent number: 4784830Abstract: An oxidation resistant nickel-chromium based alloy possessing good stress rupture characteristics at elevated temperature and, in addition to nickel and chromium, containing correlated percentages of aluminum, titanium, nitrogen, carbon, etc.Type: GrantFiled: June 8, 1987Date of Patent: November 15, 1988Assignee: Inco Alloys International, Inc.Inventors: Pasupathy Ganesan, Gaylord D. Smith, Curtis S. Tassen, Jack M. Wheeler
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Patent number: 4765956Abstract: 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 correlated percentages to thereby improve low cycle and thermal fatigue strength, the balance being from 0 to 50% iron.Type: GrantFiled: August 18, 1986Date of Patent: August 23, 1988Assignee: Inco Alloys International, Inc.Inventors: Gaylord D. Smith, Jack M. Wheeler, Stephen C. Tassen
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Patent number: 4731221Abstract: Nickel aluminides and nickel-iron aluminides treated with hafnium or zirconium, boron and cerium to which have been added chromium to significantly improve high temperature ductility, creep resistance and oxidation properties in oxidizing environments.Type: GrantFiled: October 11, 1985Date of Patent: March 15, 1988Assignee: The United States of America as represented by the United States Department of EnergyInventor: Chain T. Liu
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Patent number: 4727740Abstract: This invention relates to the thermal and wear resistant, tough alloy at elevated temperatures. The alloy consists essentially of carbon, chromium, iron, titanium, aluminum, tungsten, molybdenum, silicon, manganese, cobalt and balance nickel, further the alloy includes optionally at least one selected from the group consisting of nitrogen, niobium and tantalum, further the alloy includes optionally at least one selected from the group consisting of nitrogen, niobium and tantalum, further the alloy includes optionally at least one selected from the group consisting of boron and zirconium. The alloy according to this invention are widely utilized to serve as the alloy for build-up weld and for guide shoe used in the hot rolling apparatus for fabricating seamless steel pipe.Type: GrantFiled: April 24, 1986Date of Patent: March 1, 1988Assignee: Mitsubishi Kinzoku Kabushiki KaishaInventors: Ritsue Yabuki, Junya Ohe, Takumi Kawamura
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Patent number: 4671931Abstract: A yttrium-free, nickel-chromium-iron-aluminum alloy characterized by excellent oxidation resistance at very high temperatures. The alloy consists essentially of, by weight, from 14 to 18% chromium, from 4 to 6% aluminum, from 1.5 to 8% iron, up to 12% cobalt, up to 1% manganese, up to 1% molybdenum, up to 1% silicon, up to 0.25% carbon, up to 0.03% boron, up to 1% tungsten, up to 0.5% tantalum, up to 0.2% titanium, up to 0.5% hafnium, up to 0.2% zirconium, up to 0.2% rhenium, balance essentially nickel. The nickel plus the cobalt content is at least 66%.Type: GrantFiled: May 11, 1984Date of Patent: June 9, 1987Inventors: Robert B. Herchenroeder, Krishna V. Rao
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Patent number: 4624832Abstract: New nickel alloys are described which are useful for eyeglass frames, which alloys in addition to good resistance to corrosion also have good workability properties. They contain 5 to 20 percent copper and 5 to 30 percent zinc. Optionally, they can also be alloyed in small amounts other metals such as manganese, silicon, beryllium, cobalt, aluminum, niobium, tantalum, or titanium.Type: GrantFiled: November 2, 1984Date of Patent: November 25, 1986Assignee: Degussa AktiengesellschaftInventors: Horst Heidsiek, Gernot Jackel, Horst Becker
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Patent number: 4594104Abstract: The present invention provides a method for producing a consolidated article composed of a transition metal alloy. The method includes the step of selecting a rapidly solidified alloy which is at least about 50% glassy. The alloy is formed into a plurality of alloy bodies, and these alloy bodies are compacted at a pressing temperature of not more than about 0.6 Ts (solidus temperature in .degree.C.) to consolidate and bond the alloy bodies together into a glassy metal compact having a density of at least about 90% T.D. (theoretical density). The compacted glassy alloy bodies are then heat treated at a temperature generally ranging from about 0.55-0.85 Ts, but, in any case, above the alloy crystallization temperature, for a time sufficient to produce a fine grain crystalline alloy structure in the compacted article.Type: GrantFiled: April 26, 1985Date of Patent: June 10, 1986Assignee: Allied CorporationInventor: Derek Reybould
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Patent number: 4569824Abstract: Nickel base superalloys intended for use at low to moderate temperatures are provided with improved corrosion resistance by the addition of from 0.2 to 0.6% manganese. The manganese addition also improves the creep properties of the alloys. The manganese modified alloys are suited for use as elements in gas turbine engines for marine environments.Type: GrantFiled: January 22, 1982Date of Patent: February 11, 1986Assignee: United Technologies CorporationInventors: David N. Duhl, Xuan Nguyen-Dinh
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Patent number: 4537744Abstract: High-temperature protection layer of an alloy with a base of aluminum, chromium and nickel, particularly for structural gas-turbine elements of an austenitic material. The base material of the alloy contains at least 8 to 12 atom % aluminum and 28 to 28 atom % chromium with the remainder nickel, and at least silicon and titanium are admixed to the base material as additives such that at a temperature below 900.degree. C., a passive cover layer of chromium oxide, and at a temperature above 900.degree. C., a passive cover layer of aluminum oxide is developed on the applied alloy.Type: GrantFiled: November 30, 1983Date of Patent: August 27, 1985Assignee: BBC Aktiengesellschaft Brown, Boveri & CieInventors: Franz Gross, Georg Wahl, Andrew R. Nicoll
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Patent number: 4530885Abstract: An alloy having the nominal composition Ni--30/40 wt % Cr--1/5 wt % Ti--2/8 wt % Al is used for coating gas turbine components to give protection against oxidation--and sulphidation--corrosion. A specific alloy having the composition Ni--37 Cr--3 Ti--2Al is applied to a blade fabricated from a nickel superalloy by sputter ion plating to give an overlay coating up to 100 .mu.m thick. Preferably a platinum intermediate layer is flashed on to the substrate before coating. The coating alloy can additionally include rare earths, hafnium or silicon.Type: GrantFiled: April 12, 1982Date of Patent: July 23, 1985Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventor: James E. Restall
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Patent number: 4512820Abstract: In-pile parts for a nuclear reactor made of alloy consisting essentially of by weight 0.01-0.2% C, 10-21% Cr, 1-4% Ti, 0.3-2% Nb, 0.1-2% Al and the balance Ni wherein Ti content being higher than Nb content, said alloy having the microstructure of chromium carbides precipitated in the grain boundaries and a .gamma.' phase precipitated in the grains with the matrix thereof being austenite in microstructure.Type: GrantFiled: May 29, 1981Date of Patent: April 23, 1985Assignee: Hitachi, Ltd.Inventors: Yasuhiko Mori, Shigeo Hattori, Isao Masaoka, Hisao Itow
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Patent number: 4462957Abstract: A sliding mechanism comprising two members maintained in sliding contact with each other, wherein one of the members (which may be a pin) is formed of an alloy consisting essentially of, by weight, less than 0.3% carbon, 7-40% nickel, 15-28% chromium, 2-8% silicon, 3-12% manganese and the balance essentially iron, and the other member (which may be a roller) is formed of an alloy consisting essentially of, by weight, less than 0.5% carbon, 13-22% chromium, less than 2% silicon, less than 2% manganese, 3-10% molybdenum, 10% of at least one of titanium and aluminum and the balance essentially nickel, the two members having a difference in Vickers hardness of below 200 at their contact surfaces. The sliding mechanism has particualr utility as means for guiding a control rod of a nuclear reactor by means of pins and rollers.Type: GrantFiled: July 8, 1981Date of Patent: July 31, 1984Assignee: Hitachi, Ltd.Inventors: Yutaka Fukui, Yoshimitsu Tobita, Fumio Hataya, Mitsuhiro Watanabe, Noriaki Mase
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Patent number: 4400349Abstract: 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 H.sub.2 S--CO.sub.2 --Cl.sup.- environment, which comprises the following alloy composition:______________________________________ C: .ltoreq. 0.1% Si: .ltoreq. 1.0% Mn: 3-20% P: .ltoreq. 0.030% S: .ltoreq. 0.005% N: 0-0.30% sol. Al .ltoreq. 0.5% Ni: 20-60% Cr: 15-35% Mo: 0-12% W: 0-24% Cr(%) + 10 Mo(%) + 5 W(%) .gtoreq. 50% 1/2 Mn(%) + Ni(%) .gtoreq. 25% 1.5% .ltoreq. Mo(%) + 1/2 W(%) .ltoreq. 12% Cu: 0-2.0% Co: 0-2.0% Rare Earths: 0-0.10% Y: 0-0.20% Mg: 0-0.10% Ti: 0-0.5% Ca: 0-0.10% Fe and incidental impurities: balance.Type: GrantFiled: June 17, 1982Date of Patent: August 23, 1983Assignee: Sumitomo Metal Industries, Ltd.Inventors: Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Akio Ikeda, Hiroo Ohtani, Kunihiko Yoshikawa