Titanium Containing Patents (Class 420/451)
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Patent number: 6190465Abstract: Soft magnetic alloy of the iron-nickel type, the chemical composition of which comprises, by weight: 40%≦Ni+Co≦65%; 0%≦Co≦7%; 2%≦Cr≦5%; 1%≦Ti≦3%; 0%≦Al≦0.5%; 0%≦Mn+Si≦2%; optionally, up to 3% Mo, 2% W, 2% V, 1.5% Nb, 1% Ta and 3% Cu, the sum of the Cr, Mo, W, V, Nb, Ta and Cu contents being less than 7% and the sum of the Mo, W, V, Nb, Ta and Cu contents being less than 4%; the balance being iron and impurities, such as carbon, sulfur and phosphorus, resulting from the smelting process, the chemical composition furthermore satisfying the relationships: Cr<5−0.015×(Ni+Co−52.5)2, if: Ni+Co≦52.5; Cr<5−0.040×(Ni+Co−52.5)2, if: Ni+Co≧52.5; the alloy having a saturation induction Bs of greater than 0.9 tesla, a coercive field of less than 10 A/m, an electrical resistivity p of greater than 60 &mgr;&OHgr;.cm and a hardness of greater than 200 HV. Process for manufacturing the alloy and uses.Type: GrantFiled: July 2, 1998Date of Patent: February 20, 2001Assignee: Imphy Ugine PrecisionInventors: Lucien Coutu, Laurent Chaput, Thierry Waeckerle
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Patent number: 6132535Abstract: 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.Type: GrantFiled: October 28, 1999Date of Patent: October 17, 2000Assignees: Mitsubishi Heavy Industries, Ltd., Mitsubishi Steel Mfg. Co., Ltd.Inventors: Ikuo Okada, Taiji Torigoe, Hisataka Kawai, Koji Takahashi, Itaru Tamura, Shyuichi Sakashita
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Patent number: 6027584Abstract: A Ni-base alloy composition comprises of Zr, B, and Si. Zr and B are coupled to each other to form ZrB.sub.2, 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, where the Ti and Cr suppress melting points.Type: GrantFiled: September 2, 1997Date of Patent: February 22, 2000Assignee: General Electric CompanyInventors: Melvin Robert Jackson, Stephen Joseph Ferrigno, David Edwin Budinger
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Patent number: 6004408Abstract: The invention relates to precipitation hardened alloy compositions comprising the following elements, with the contents expressed in % by weight:______________________________________ nickel: .gtoreq.52.00% chromium: 20.50%-22.50% iron: 7.00%-13.00% molybdenum: 5.50%-7.0% copper: 1.00%-3.50% niobium: 2.65%-3.50% titanium: 1.0%-2.0% cobalt: 0-3.00% aluminum: 0-0.75% tungsten: 0-0.50% silicon: 0-0.20% manganese: 0-0.20% phosphorous: 0-0.03% carbon: 0-0.02% nitrogen: 0-0.02% magnesium: 0-0.005% sulfur: 0-0.005% ______________________________________the elements satisfying the following four relationships:X=(2.271% Ti+1.142% Cr+0.957% Mn+0.858% Fe+0.777% Co+0.717% Ni+2.117% Nb+1.550% Mo+1.655% W+1.90% Al+1.90% Si+0.615% Cu).ltoreq.93.5, the percentages for this relationship being in atomic %;Y=(% Mo+% W+% Cu).ltoreq.9, the percentages for this relationship being in % by weight;A=(0.65% Nb+1.25% Ti+2.20% Al).gtoreq.4.Type: GrantFiled: November 21, 1997Date of Patent: December 21, 1999Assignee: Aubert & Duval (societe anonyme)Inventor: Jacques Montagnon
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Patent number: 5968450Abstract: The present invention provides a scandium containing hydrogen absorption alloy having an alloy phase which is represented by the following formula;(Sc.sub.x A.sub.1-x)(B'.sub.y B".sub.2-y).sub.zwherein A is at least one of Ti, Zr, rare-earth elements, a mixture of Ti and at least one of Zr, Ta, Nb, Hf, Ca and rare-earth elements, and a mixture of Zr and at least one of Ti, Ta, Nb, Hf, Ca and rare-earth elements; B'is at least one of Ni, Fe, Co and a mixture of at least one of Ni, Fe and Co and at least one of Al, Ga, Si and In; B" is at least one of Mn, V, Cr, Nb, Ti and a mixture of at least one of Mn, V, Cr, Nb and Ti and at least one of Al, Ga, Si and In; x represents 0<x.ltoreq.1; y represents 0<y<2; and z represents 0.75.ltoreq.z.ltoreq.1.2, and the alloy phase includes at least one of a part which belongs to a C15 type Laves phase and a part which belongs to a C14 type Laves phase, and a hydrogen absorption electrode which includes the alloy.Type: GrantFiled: September 14, 1994Date of Patent: October 19, 1999Assignee: Hitachi Chemical Company, Ltd.Inventors: Masato Yoshida, Takitaro Yamaguchi, Takao Ogura
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Patent number: 5902700Abstract: 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 measured amount of manganese.Type: GrantFiled: January 21, 1998Date of Patent: May 11, 1999Assignee: Sanyo Electric Co., Ltd.Inventors: Takamichi Hirosawa, Takaaki Ikemachi
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Patent number: 5866068Abstract: 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 than 3% of Mn, over 40% to not more than 50% of Cr, over 0% to not more than 10% of Fe, 0.01 to 0.6% of Ti, 0.01 to 0.2% of Zr, at least one element selected from the group consisting of 0.5 to 5% of W, 0.3 to 2% of Nb and 0.5 to 3% of Mo, and the balance substantially Ni. The alloy is excellent in oxidation resistance, high-temperature creep rupture strength, carburization resistance and ductility after aging.Type: GrantFiled: April 7, 1997Date of Patent: February 2, 1999Assignee: Kubota CorporationInventor: Makoto Takahashi
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Patent number: 5759300Abstract: 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 vanadium, 0.02 to 1.0 percent niobium, 0.10 to 5.0 percent tungsten, 0.01 to 0.5 percent nitrogen, 0.10 to 5.0 percent boron, plus 0.005 to 1.0 percent carbon, and/or either or both of 0.01 to 5.0 percent titanium and 0.01 to 5.0 percent zirconium, all by mass, with the balance comprising nickel and impurities, and have a thickness of 3.0 to 300 .mu.m. Alloy foils for liquid-phase diffusion bonding of heat-resisting metals in an oxidizing atmosphere are also available with substantially vitreous structures.Type: GrantFiled: September 27, 1996Date of Patent: June 2, 1998Assignee: Nippon Steel CorporationInventors: Yasushi Hasegawa, Hisashi Naoi, Yuuichi Satoh, Hiroshi Ukeba
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Patent number: 5683822Abstract: 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 vanadium, 0.02 to 1.0 percent niobium, 0.10 to 5.0 percent tungsten, 0.05 to 2.0 percent nitrogen, 0.50 to 20.0 percent phosphorus, plus 0.005 to 1.0 percent carbon, and/or either or both of 0.01 to 5.0 percent titanium and 0.01 to 5.0 percent zirconium, all by mass, with the balance comprising nickel and impurities, and have a thickness of 3.0 to 300 .mu.m. Alloy foils for liquid-phase diffusion bonding of heat-resisting metals in an oxidizing atmosphere are also available with substantially vitreous structures.Type: GrantFiled: September 27, 1996Date of Patent: November 4, 1997Assignee: Nippon Steel CorporationInventors: Yasushi Hasegawa, Hisashi Naoi, Yuuichi Satoh, Hiroshi Ukeba
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Patent number: 5626987Abstract: 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 (MgZn.sub.2) has the general formula:Zr.sub.1-x Ti.sub.x Ni.sub.a Mn.sub.b Al.sub.c Co.sub.d V.sub.Type: GrantFiled: April 14, 1995Date of Patent: May 6, 1997Assignee: SAFTInventors: Bernard Knosp, Jacques Bouet, Christian Jordy, Michel Mimoun, Daniel Gicquel
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Patent number: 5516485Abstract: Air meltable, weldable cast alloys of high hot strength and hot gas corrosion resistance especially in the service temperature range of about 1800.degree. F. to 2100.degree. F. which consist essentially of:______________________________________ Nickel 41-54% by weight Chromium 24-29% Iron 8-18% Cobalt 3-8% Tungsten 4.5-6.5% Molybdenum 4-6.5% Niobium 0.8-2% Manganese 0.1-1.5% Silicon 0.1-1.5% Carbon 0.2-0.4% ______________________________________provided, that the nickel plus cobalt content is at least about 45%.Type: GrantFiled: March 17, 1994Date of Patent: May 14, 1996Assignee: Carondelet Foundry CompanyInventor: John H. Culling
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Patent number: 5510080Abstract: 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 dispersion-strengthened alloy is composed of an oxide containing one or more kinds of elements in an amount of 2 wt % or less selected from the group composed of titanium, zirconium and hafnium, chromium in an amount of 15-35 wt %, carbon in an amount of 0.01-0.4 wt % and Y.sub.2 O.sub.3 in an amount of 0.3-2.0 wt %, and the balance of substantially nickel, wherein Y.sub.2 O.sub.3 is dispersed as particles in the matrix of the nickel alloy containing one or more kinds of elements selected from the group composed of titanium, zirconium and hafnium, chromium and carbon.Type: GrantFiled: September 22, 1994Date of Patent: April 23, 1996Assignee: Hitachi, Ltd.Inventors: Kazuya Nishi, Kishio Hidaka, Tetsuo Kashimura, Shigeyoshi Nakamura, Yutaka Fukui, Shinichi Nakahara
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Patent number: 5384209Abstract: 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 (MgZn.sub.2), characterized by the general formula: ##EQU1## where A represents at least one element from Ti, Y, Ce, Ca, and Mg, and where M is chosen from Cr, V, and Si.Type: GrantFiled: October 22, 1993Date of Patent: January 24, 1995Assignee: SaftInventors: Jacques Bouet, Bernard Knosp, Annick Percheron-Guegan, Olivier Canet
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Patent number: 5330710Abstract: 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 element selected from among rare earth metals with the balance consisting of nickel and unavoidable impurities.Type: GrantFiled: March 6, 1992Date of Patent: July 19, 1994Assignee: Doryokuro Kakunenryo Kaihatsu JigyodanInventors: Toshio Masaki, Noriaki Sasaki, Shin-ichiro Torata, Hiroshi Igarashi, Tetsuya Shimizu, Tomohito Iikubo
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Patent number: 5217684Abstract: 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 %;______________________________________ Cr: 12-25%, Mo: over 9.0 and up to 15%, Nb: 4.0-6.0%, Fe: 5.0-25%, Ni: 45-60%, C: 0.050% or less, Si: 0.50% or less, Mn: 1.0% or less, P: 0.025% or less, S: 0.0050% or less, N: 0.050% or less, Ti: 0.46-1.0%, Al: 0-2.0%.Type: GrantFiled: November 30, 1990Date of Patent: June 8, 1993Assignee: Sumitomo Metal Industries, Ltd.Inventors: Masaaki Igarashi, Shiro Mukai, Yasutaka Okada, Akio Ikeda
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Patent number: 5120614Abstract: 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 structural stability at very low as well as elevated temperatures. The alloy consists essentially of, (by weight), 19-23% Cr, 12-15% Mo, 2.25-4% W, 0.65-2% Nb, 2-8% Fe, balance Ni.Type: GrantFiled: October 21, 1988Date of Patent: June 9, 1992Assignee: Inco Alloys International, Inc.Inventors: Edward L. Hibner, Ralph W. Ross, Jr., James R. Crum
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Patent number: 5114504Abstract: 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 articles such as springs and wires.Type: GrantFiled: November 5, 1990Date of Patent: May 19, 1992Assignee: Johnson Service CompanyInventors: David N. AbuJudom, II, Paul E. Thoma, Ming-Yuan Kao, David R. Angst
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Patent number: 5108523Abstract: A shape memory alloy for repeated use, containing no noble metals. NiTiZr and NiTiZrCu shape memory alloys having A.sub.s temperature which lies above 100.degree. C. are disclosed. These shape memory alloys have the following composition: 41.5 to 54 atomic % Ni; 24 to 42.5 atomic % Ti and 7.5 to 22 atomic % Zr.Type: GrantFiled: July 24, 1990Date of Patent: April 28, 1992Assignee: Fried. Krupp GmbHInventors: Jurgen Peterseim, Wolfgang Schlump
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Patent number: 5077006Abstract: 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 alloys to aid in the production of these alloys. The alloys consist of additions of less than one percent by weight each of the components tungsten, zirconium, molybdenum, columbium, titanium and one or more rare earth elements to base alloys of the types standardized by the Alloy Castings Institute Division of the Steel Founders Society of America or to similar base alloys. The master alloys consist of all of these components, with the possible exception of Mo, combined together in the desired proportions, possibly along with some combination of iron, nickel or chromium in total content of up to about half of the master alloys by weight as partial diluents. The resultant master alloys are always denser than molten baths of the base heat resistant alloys.Type: GrantFiled: July 23, 1990Date of Patent: December 31, 1991Assignee: Carondelet Foundry CompanyInventor: John H. Culling
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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: 5019184Abstract: 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 together with tungsten. Also described is an advantageous alloy composition containing less than 2.5% iron, low carbon and a titanium to carbon ratio greater than 1 which is particularly adapted to be effectively treated by the homogenization heat treatment.Type: GrantFiled: January 26, 1990Date of Patent: May 28, 1991Assignee: Inco Alloys International, Inc.Inventors: James R. Crum, Jon M. Poole, Edward L. Hibner
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Patent number: 5000914Abstract: 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 %;______________________________________ Cr: 12-25%, Mo: 5.5-15%, Nb: 4.0-6.0%, Fe: 5.0-25%, Ni: 45-60%, C: 0.050% or less, Si: 0.50% or less, Mn: 1.0% or less, P: 0.025% or less, S: 0.0050% or less, N: 0.050% or less, Ti: 0-1.0%, Al: 0-2.0%.Type: GrantFiled: November 23, 1987Date of Patent: March 19, 1991Assignee: Sumitomo Metal Industries, Ltd.Inventors: Masaaki Igarashi, Shiro Mukai, Yasutaka Okada, Akio Ikeda
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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: 4981644Abstract: 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 and Ta content so as to insure that only the favorable .gamma." precipitates are formed in the alloy. The high temperature properties of the alloy compositions are optimized by controlling the content of the major alloying elements Co and Cr. Preferably the alloy is substantially free of Fe.Type: GrantFiled: September 9, 1988Date of Patent: January 1, 1991Assignee: General Electric CompanyInventor: Keh-Minn Chang
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Patent number: 4915798Abstract: 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 50%.Type: GrantFiled: October 13, 1987Date of Patent: April 10, 1990Assignee: Intevep, S.A.Inventor: Alexander Maitland
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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: 4874577Abstract: 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 one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi, 0-2% of C, and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn, the balance being Ti and incidental impurities, the percent being atomic percent.Type: GrantFiled: November 9, 1987Date of Patent: October 17, 1989Assignee: Mitsubishi Kinzoku Kabushiki KaishaInventors: Saburo Wakita, Junji Hoshi
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Patent number: 4808225Abstract: 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, tantalum, vanadium and zirconium; consolidating the powder to an essentially fully dense shape; and progressively melting and solidifying localized areas of the consolidated shape so as to produce a product of improved ductility.Type: GrantFiled: January 21, 1988Date of Patent: February 28, 1989Assignee: Special Metals CorporationInventors: Stephen J. Donachie, James W. Fesko, James J. Furgal, Francis E. Sczerzenie
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Patent number: 4788036Abstract: 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 characteristics, (ii) can be processed by cold working and age hardening to achieve yield strengths of 150,000 psi (1034 MPa) to 200,000 psi (1379 MPa) together with tensile elongations of 10% to 20%, (iii) are resistant to such corrosive media as hydrogen sulphide and acid chloride solutions, and to hydrogen embittlement, and (iv) are useful for, inter alia, petroleum production tubing and sulfur dioxide gas scrubber applications.Type: GrantFiled: October 1, 1986Date of Patent: November 29, 1988Assignee: INCO Alloys International, Inc.Inventors: Herbert L. Eiselstein, Jerry A. Harris, Darrell F. Smith, Jr., Edward F. Clatworthy, Stephen Floreen, Jeffrey M. Davidson
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Patent number: 4702887Abstract: 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 applications in pumps for corrosive fluids.Type: GrantFiled: February 27, 1986Date of Patent: October 27, 1987Assignee: Ingersoll-Rand CompanyInventor: John A. Larson
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Patent number: 4692305Abstract: 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 incidental impurities and at least 30% of a metal selected from the group consisting of nickel, cobalt and combinations thereof, with the total of molybdenum and tungsten being at least 16%. The alloy is preferably in the form of a powder for thermal spraying, and coating produced thereby generally have an amorphous structure.Type: GrantFiled: November 5, 1985Date of Patent: September 8, 1987Assignee: Perkin-Elmer CorporationInventors: Subramaniam Rangaswamy, John H. Harrington
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Patent number: 4636251Abstract: A new alloy material for use in electrical contacts is disclosed, comprising by weight______________________________________ Beryllium 1-2% Palladium 2-20%; and ______________________________________the balance of nickel.Type: GrantFiled: April 17, 1986Date of Patent: January 13, 1987Assignee: International Business Machines CorporationInventor: Issa S. Mahmoud
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Patent number: 4626408Abstract: An alloy prepared by reducing the sulfur content of ASTM UNS N06600 (Trademark Inconel Alloy 600) to an extremely small value and adding specified amounts of Nb and N, and an alloy prepared by reducing the oxygen content of Inconel Alloy 600 and adding specified amounts of Nb, N, B and Mg show a mechanical strength equivalent or superior to that of Inconel Alloy 600 and excellent hot workability, and further has intergranular corrosion resistance and integranular stress corrosion cracking resistance which are far more excellent than those of Inconel Alloy 600.Type: GrantFiled: September 20, 1984Date of Patent: December 2, 1986Assignees: Nippon Yakin Kogyo Kabushiki Kaisha, Babock-Hitachi Kabushiki KaishaInventors: Koichiro Osozawa, Rikio Nemoto, Yoshito Fujiwara, Tomoaki Okazaki, Yasuhiro Miura, Kiyoshi Yamauchi
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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: 4606767Abstract: Disclosed is a decorative silver-colored sintered alloy comprising TiC, Cr.sub.3 C.sub.2 and Ni in amounts of 50 to 98% by weight, 1 to 20% by weight and 1 to 30% by weight, respectively, based on the three components. In this sintered alloy, TiC is present in the form of the dispersed phase of particles and Cr.sub.3 C.sub.2 and Ni are present in the form of a solid solution as the binder phase. This sintered alloy is excellent in the corrosion resistance and is capable of manifesting a mirror surface having a deep silver color.Type: GrantFiled: October 28, 1985Date of Patent: August 19, 1986Assignee: Kyocera CorporationInventor: Yoshio Nagato
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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: 4582536Abstract: The present invention provides a method for consolidating rapidly solidified, transition metal alloys which includes the step of compacting a plurality of alloy bodies at a temperature ranging from about 0.90-0.99 Tm (melting temperature in .degree.C.) for a time period ranging from about 1 min to 24 hours. The alloy bodies contain at least two transition metal elements and consist essentially of the formula (Fe,Co and/or Ni).sub.bal (W, Mo, Nb and/or Ta).sub.a (Al and/or Ti).sub.b (Cr).sub.c (B and/or C).sub.d (Si and/or P).sub.e, wherein "a" ranges from about 0-40 at. %, "b" ranges from about 0-40 at. %, "c" ranges from about 0-40 at. %, "d" ranges from about 5-25 at. %, and "e" ranges from about 0-15 at. %. The alloy bodies also have a substantially homogeneous and optically featureless structure.Type: GrantFiled: December 7, 1984Date of Patent: April 15, 1986Assignee: Allied CorporationInventor: Derek Raybould
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Patent number: 4572750Abstract: The disclosed magnetic alloy essentially consists of 60-86% of nickel (Ni), .5-14% of niobium (Nb), 0.001-5% in sum of at least one element selected from the group consisting of gold, silver, platinum group elements, gallium, indium, thallium, strontium, and barium, and the balance of iron with a trace of impurities, which alloy renders magnetic properties suitable for recording-and-reproducing head upon specific heat treatment.Type: GrantFiled: June 25, 1984Date of Patent: February 25, 1986Assignee: The Foundation: The Research Institute of Electric and Magnetic AlloysInventors: Hakaru Masumoto, Yuetsu Murakami
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Patent number: 4532105Abstract: A high temperature corrosion-resistant and wear-resistant casting alloy used for preparing rotatory cylinder of glass fibers spinning, which consists essentially of 0.08 to 0.8% of C, 15 to 35% of Cr, 1 to 5.5% of W, 0.10 to 0.25% of Ti, 0.10 to 0.25% of Zr, about 1% of Nb, and the remainder constituted by Ni and impurities unavoidably carried into the alloy.Type: GrantFiled: May 29, 1984Date of Patent: July 30, 1985Assignees: Shinokoku Steel Corporation, Nitto Boseki Co., Ltd., Paramount Glass Mfg., Co., Ltd.Inventors: Saburo Kunioka, Kiwamu Okuma, Tsunehiro Haga, Hatsuo Kawaguti
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Patent number: 4421718Abstract: An alloy of the general formula:RNi.sub.5-x Cr.sub.y A.sub.z(wherein, R denotes one member selected from the group consisting of rare earth metal atoms and Misch metal, A denotes one metal atom selected from the group consisting of titanium, zirconium, hafnium, vanadium, niobium, and tantalum, x denotes a number falling in the range of 0.01 to 2.0, y denotes a number falling in the range of 0.01 to 2.0, and z denotes a number not exceeding 0.2, providing that x, y, and z have the relation, 5.0.ltoreq.5-x+y+z.ltoreq.5.2) is useful as a hydrogen-occluding metal with slight hysteresis.Type: GrantFiled: September 24, 1982Date of Patent: December 20, 1983Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Yasuaki Osumi, Hiroshi Suzuki, Akihiko Kato, Keisuke Oguro
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Patent number: 4415530Abstract: 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.Type: GrantFiled: November 10, 1980Date of Patent: November 15, 1983Assignee: Huntington Alloys, Inc.Inventor: James P. Hunt
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Patent number: 4410489Abstract: Disclosed is a nickel-base alloy which provides excellent corrosion resistance to a variety of severe environments, especially hot phosphoric acid. The alloy preferably contains, in weight percent: about 30 chromium, about 4 molybdenum, about 2 tungsten, about 1 Cb/Ta, about 1.5 copper, about 14 iron and the balance nickel plus the impurities and modifying elements usually found in alloy of this class. The alloy is eminently suited for use as articles in chemical processing apparatus in the manufacture and/or containment of phosphoric acid and sulfuric acid.Type: GrantFiled: July 17, 1981Date of Patent: October 18, 1983Assignee: Cabot CorporationInventors: Aziz I. Asphahani, William L. Silence, Paul E. Manning
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Patent number: 4400209Abstract: 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 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: .ltoreq. 2.0% P: .ltoreq. 0.030% S: .ltoreq. 0.005% N: 0-0.30% Ni: 25-60% Cr: 22.5-40% Mo: 0-3.5% (excl.) W: 0-7% (excl.) Cr (%) + 10Mo (%) + 5W (%) .gtoreq. 50%, 1.0% .ltoreq. Mo (%) + 1/2W (%) < 3.5% Cu: 0-2.0% Co: 0-2.0% Rare earths: 0-0.10% Y: 0-0.20% Mg: 0-0.10% Ca: 0-0.10% one or more of Nb, Ti, Ta, Zr and V in the total amount of 0.5-4.0, if necessary, Fe and incidental impurities: balance.Type: GrantFiled: June 1, 1982Date of Patent: August 23, 1983Assignee: Sumitomo Metal Industries, Ltd.Inventors: Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Akio Ikeda, Hiroo Ohtani, Kunihiko Yoshikawa
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Patent number: 4400211Abstract: 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 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: .ltoreq.2.0% P: .ltoreq.0.030% S: .ltoreq.0.005% N: 0-0.30% Ni: 30-60% Cr: 15-35% Mo: 0-12% W: 0-24% Cr(%) + 10Mo(%) + 5W(%) .gtoreq. 110% 7.5% .ltoreq. Mo(%) + 1/2W(%) .ltoreq. 12% Cu: 0-2.0% Co: 0-2.0% rare earths: 0-0.10% Y: 0-0.20% Mg: 0-0.10% Ca: 0-0.10% one or more of Nb, Ti, Ta, Zr and V in the total amount of 0.5-4.0%, if necessary Fe and incidental impurities: balance.Type: GrantFiled: June 1, 1982Date of Patent: August 23, 1983Assignee: Sumitomo Metal Industries, Ltd.Inventors: Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Akio Ikeda, Hiroo Ohtani, Kunihiko Yoshikawa
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Patent number: 4400210Abstract: 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 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: .ltoreq.2.0% P: .ltoreq.0.030% S: .ltoreq.0.005% N: 0-0.30% Ni: 25-60% Cr: 22.5-35% Mo: 0-7.5% (excl.) W: 0-15% (excl.) Cr (%) + 10Mo (%) + 5W (%) .gtoreq. 70% 3.5% .ltoreq. Mo (%) + 1/2W (%) < 7.5% Cu: 0-2.0% Co: 0-2.0% Rare earths: 0-0.10% Y: 0-0.20% Mg: 0-0.10% Ca: 0-0.10% ______________________________________one or more of Nb, Ti, Ta, Zr and V in the total amount of 0.5-4.0%, if necessary,Fe and incidental impurities: balance.Type: GrantFiled: June 1, 1982Date of Patent: August 23, 1983Assignee: Sumitomo Metal Industries, Ltd.Inventors: Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Akio Ikeda, Hiroo Ohtani, Kunihiko Yoshikawa
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Patent number: 4331741Abstract: A hard surfacing alloy composition formed from an alloy containing correlated percentages of chromium, molybdenum, tungsten, manganese, columbium, titanium, carbon, silicon and iron, the balance being nickel. The alloy exhibits a good combination of hot hardness at elevated temperature and weldability.Type: GrantFiled: May 21, 1979Date of Patent: May 25, 1982Assignee: The International Nickel Co., Inc.Inventor: Richard K. Wilson