Containing Over 50 Per Cent Metal, But No Base Metal Patents (Class 148/442)
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Patent number: 11499208Abstract: There is provided a cobalt-based alloy product comprising: in mass %, 0.08-0.25% C; 0.1% or less B; 10-30% Cr; 5% or less Fe and 30% or less Ni, the total amount of Fe and Ni being 30% or less; W and/or Mo, the total amount of W and Mo being 5-12%; 0.5% or less Si; 0.5% or less Mn; 0.003-0.04% N; 0.5 to 2 mass % of an M component being a transition metal other than W and Mo and having an atomic radius of more than 130 pm; and the balance being Co and impurities. The impurities include 0.5% or less Al and 0.04% or less O. The product is a polycrystalline body of matrix phase crystal grains. In the matrix phase crystal grains, segregation cells with an average size of 0.13-2 ?m are formed, in which the M component is segregated in boundary regions of the segregation cells.Type: GrantFiled: March 7, 2019Date of Patent: November 15, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuting Wang, Shinya Imano, Shigenobu Eguchi
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Patent number: 11427893Abstract: A Co-based alloy heat exchanger comprises: in mass %, 0.08-0.25% C; 0.1% or less B; 10-30% Cr; 5% or less Fe and 30% or less Ni, the total amount of Fe and Ni being 30% or less; W and/or Mo, the total amount of W and Mo being 5-12%; Ti, Zr, Nb and Ta, the total amount of Ti, Zr, Nb and Ta being 0.5-2%; 0.5% or less Si; 0.5% or less Mn; 0.003-0.04% N; and the balance being Co and impurities. The impurities include 0.5% or less Al, and 0.04% or less O. The heat exchanger is a polycrystalline body of matrix crystal grains with an average size of 5-100 ?m. In the matrix crystal grains, segregation cells with an average size of 0.13-2 ?m are formed, wherein components constituting an MC type carbide comprising Ti, Zr, Nb and/or Ta are segregated in boundary regions of the segregation cells.Type: GrantFiled: March 7, 2019Date of Patent: August 30, 2022Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Yuting Wang, Shinya Imano
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Patent number: 11180833Abstract: There is provided a Cr-based two-phase alloy including two phases of a ferrite phase and an austenite phase that are mixed with each other. A chemical composition of the Cr-based two-phase alloy consists of a main component, an auxiliary component, impurities, a first optional auxiliary component, and a second optional auxiliary component. The main component consists of 33-61 mass % Cr, 18-40 mass % Ni and 10-33 mass % Fe, and a total content of the Ni and the Fe is 37-65 mass %. The auxiliary component consists of 0.1-2 mass % Mn, 0.1-1 mass % Si, 0.005-0.05 mass % Al, and 0.02-0.3 mass % Sn. The impurities include 0.04 mass % or less of P, 0.01 mass % or less of S, 0.03 mass % or less of C, 0.04 mass % or less of N, and 0.05 mass % or less of O.Type: GrantFiled: January 19, 2017Date of Patent: November 23, 2021Assignee: HITACHI, LTD.Inventors: Tomonori Kimura, Yasuhisa Aono, Makoto Ogata, Naoya Tokoo, Yasuo Kondo, Masafumi Noujima
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Patent number: 11117208Abstract: In one aspect, composite preforms are provided for imparting wear resistance to superalloy articles. The composite preforms can be employed for metallurgically bonding alloy wear plates or pads to superalloy articles. A composite preform, in some embodiments, comprises a powder alloy composition comprising 1-30 wt. % nickel, 0.05-2 wt. % iron, 15-25 wt. % chromium, 10-30 wt. % molybdenum, 0-1 wt. % carbon, 1-5 wt. % silicon, 0.05-2 wt. % boron, 0-5 wt. % tungsten, 0-3 wt. % tantalum, 0-0.1 wt % manganese, 0-3 wt. % aluminum, 0-0.1 wt % yttrium and the balance cobalt.Type: GrantFiled: March 21, 2017Date of Patent: September 14, 2021Assignee: KENNAMETAL INC.Inventors: Martin G. Perez, Michael Meyer, Robert W. Monds, Loretta M. Bell
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Patent number: 10816479Abstract: A characterization system for performing optical characterization of a liquid sample in a process plant. The system includes a sample section for holding the liquid sample, an inlet having an inlet valve controlling a flow of the liquid sample into the sample section, an outlet having an outlet valve controlling a flow of the liquid sample out of the sample section, a pressurizer pressurizing the sample section, an agitator agitating the liquid sample inside the sample section when pressurized, a measuring device performing optical characterization of the liquid sample inside the sample section while the liquid sample is pressurized and agitate. The inlet and outlet valves are connected to a line pipe, and the system receives the liquid sample from the line pipe through the inlet valve, characterizes the liquid sample, and returns at least a part of the liquid sample to the line pipe through the outlet valve.Type: GrantFiled: January 13, 2016Date of Patent: October 27, 2020Assignee: PROXY ENGINEERING APSInventor: Christian Woergaard
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Patent number: 10808306Abstract: Provided is a Co—Ni-based alloy in which a crystal is easily controlled, a method of controlling a crystal of a Co—Ni-based alloy, a method of producing a Co—Ni-based alloy, and a Co—Ni-based alloy having controlled crystallinity. The Co—Ni-based alloy includes Co, Ni, Cr, and Mo, in which the Co—Ni-based alloy has a crystal texture in which a Goss orientation is a main orientation. The Co—Ni-based alloy preferably has a composition including, in terms of mass ratio: 28 to 42% of Co, 10 to 27% of Cr, 3 to 12% of Mo, 15 to 40% of Ni, 0.1 to 1% of Ti, 1.5% or less of Mn, 0.1 to 26% of Fe, 0.1% or less of C, and an inevitable impurity; and at least one kind selected from the group consisting of 3% or less of Nb, 5% or less of W, 0.5% or less of Al, 0.1% or less of Zr, and 0.01% or less of B.Type: GrantFiled: December 11, 2015Date of Patent: October 20, 2020Assignees: SEIKO INSTRUMENTS INC., TOHOKU UNIVERSITYInventors: Akihiko Chiba, Takuma Otomo, Yasunori Akasaka, Tomoo Kobayashi, Ryo Sugawara
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Patent number: 10211457Abstract: Methods of preparing improved metal hydride alloy materials are provided. The alloys include a mixture of at least four of vanadium, titanium, nickel, chromium, and iron. The alloy is processed by at least one of thermal and physical treatment to generate a refined microstructure exhibiting improved kinetics when used as electrodes in MH batteries (e.g., higher discharge current). The thermal treatment includes rapid cooling of the alloy at greater than 104 K/s. The physical treatment includes mechanical pulverization of the alloy after cooling. The microstructure is a single phase (body centered cubic) with a heterogeneous composition including a plurality of primary regions having a lattice parameter selected from the range of 3.02 ? to 3.22 ? and a plurality of secondary regions having a lattice parameter selected from the range of 3.00 ? to 3.22 ? and at least one physical dimension having a maximum average value less than 1 ?m.Type: GrantFiled: February 17, 2016Date of Patent: February 19, 2019Assignee: California Institute of TechnologyInventors: Nicholas J. Weadock, Hongjin Tan, Brent T. Fultz, Heng Yang
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Patent number: 10109855Abstract: Hydrogen storage alloys comprising a metal oxide containing ?60 at % oxygen; and/or comprising a metal region adjacent to a boundary region, which boundary region comprises at least one channel; and/or comprising a metal region adjacent to a boundary region, where the boundary region has a length and an average width, where the average width is from about 12 nm to about 1100 nm; and/or comprising a metal oxide zone comprising a metal oxide, which oxide zone is aligned with at least one channel; and/or comprising a Ni/Cr metal oxide have improved electrochemical properties, for instance improved low temperature electrochemical performance.Type: GrantFiled: February 11, 2015Date of Patent: October 23, 2018Assignee: BASF CorporationInventors: Kwo Young, Diana Wong, Benjamin Chao, Michael A. Fetcenko
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Patent number: 9856544Abstract: Hydrogen storage alloys comprising a) at least one main phase, b) a storage secondary phase and c) a catalytic secondary phase, where the weight ratio of the catalytic secondary phase abundance to the storage secondary phase abundance is ?3; or comprising a) at least one main phase, b) from 0 to about 13.3 wt % of a storage secondary phase and c) a catalytic secondary phase, where the alloy comprises from 0.05 at % to 0.98 at % of one or more rare earth elements; or comprising a) at least one main phase, b) from 0 to about 13.3 wt % of a storage secondary phase and c) a catalytic secondary phase, where the alloy comprises for example i) one or more elements selected from the group consisting of Ti, Zr, Nb and Hf and ii) one or more elements selected from the group consisting of V, Cr, Mn, Ni, Sn, Al, Co, Cu, Mo, W, Fe, Si, Sn and rare earth elements, where the atomic ratio of ii) to i) is from about 1.80 to about 1.Type: GrantFiled: February 11, 2015Date of Patent: January 2, 2018Assignee: BASF CorporationInventors: Kwo Young, Diana Wong, Jean Nei
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Patent number: 9228250Abstract: The invention relates to an alloy comprising (in mass %) Ni 33-35%, Cr 26-28%, Mo 6-7%, Cu 0.5-1.5%, Mn 1.0-4%, Si max. 0.1%, Al 0.01-0.3%, C max. 0.01%, N 0.1-0.25%, B 0.001-0.004%, SE>0 to 1%, and Fe remainder, including unavoidable impurities.Type: GrantFiled: October 20, 2011Date of Patent: January 5, 2016Assignee: VDM Metals GmbHInventors: Helena Alves, Rainer Behrens
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Patent number: 9102561Abstract: An amorphous alloy contains 54 at % or more and 79 at % or less Re, 8 at % or more and 28 at % or less Ir, and 11 at % or more and 18 at % or less Nb. A molding die includes a release film composed of the amorphous alloy. A method for producing an optical element, the method including press-molding a glass preform with the molding die.Type: GrantFiled: August 21, 2013Date of Patent: August 11, 2015Assignee: Canon Kabushiki KaishaInventors: Hirotaka Fukushima, Satoko Midorikawa
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Patent number: 9048004Abstract: Thermoelectric materials and methods of making thermoelectric materials having a nanometer mean grain size less than 1 micron. The method includes combining and arc melting constituent elements of the thermoelectric material to form a liquid alloy of the thermoelectric material and casting the liquid alloy of the thermoelectric material to form a solid casting of the thermoelectric material. The method also includes ball milling the solid casting of the thermoelectric material into nanometer mean size particles and sintering the nanometer size particles to form the thermoelectric material having nanometer scale mean grain size.Type: GrantFiled: December 19, 2012Date of Patent: June 2, 2015Inventors: Zhifeng Ren, Xiao Yan, Giri Joshi, Shuo Chen, Gang Chen, Bed Poudel, James Christopher Caylor
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Publication number: 20150129093Abstract: A method of processing a metal alloy includes heating to a temperature in a working temperature range from a recrystallization temperature of the metal alloy to a temperature less than an incipient melting temperature of the metal alloy, and working the alloy. At least a surface region is heated to a temperature in the working temperature range. The surface region is maintained within the working temperature range for a period of time to recrystallize the surface region of the metal alloy, and the alloy is cooled so as to minimize grain growth. In embodiments including superaustenitic and austenitic stainless steel alloys, process temperatures and times are selected to avoid precipitation of deleterious intermetallic sigma-phase. A hot worked superaustenitic stainless steel alloy having equiaxed grains throughout the alloy is also disclosed.Type: ApplicationFiled: November 12, 2013Publication date: May 14, 2015Applicant: ATI PROPERTIES, INC.Inventors: Robin M. Forbes Jones, Ramesh S. Minisandram
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Publication number: 20140373979Abstract: Disclosed herein is a nickel-based heat-resistant superalloy produced by a casting and forging method, the nickel-based heat-resistant superalloy comprising 2.0 mass % or more but 25 mass % or less of chromium, 0.2 mass % or more but 7.0 mass % or less of aluminum, 19.5 mass % or more but 55.0 mass % or less of cobalt, [0.17×(mass % of cobalt content?23)+3] mass % or more but [0.17×(mass % of cobalt content?20)+7] mass % or less and 5.1 mass % or more of titanium, and the balance being nickel and inevitable impurities, and being subjected to solution heat treatment at 93% or more but less than 100% of a ?? solvus temperature.Type: ApplicationFiled: December 14, 2012Publication date: December 25, 2014Inventors: Yuefeng Gu, Toshio Osada, Yong Yuan, Tadaharu Yokokawa, Hiroshi Harada
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Publication number: 20140255246Abstract: Guide wire devices and other intra-corporal medical devices fabricated from a Ni—Ti—Nb alloy and methods for their manufacture. The Ni—Ti alloy includes nickel, titanium, and niobium either up to its solubility limit in Ni—Ti, or in amounts over 15 atomic percent so as to provide a dual phase alloy. In either case, the Ni—Ti—Nb alloy provides increased stiffness to provide better torque response, steerability, stent scaffolding strength, and similar properties associated with increased stiffness, while still providing super-elastic or linear pseudo-elastic properties.Type: ApplicationFiled: March 8, 2013Publication date: September 11, 2014Applicant: ABBOTT LABORATORIESInventors: John A. Simpson, John F. Boylan
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Patent number: 8808473Abstract: An austenitic heat resistant alloy includes, by mass percent, C: 0.15% or less, Si: 2% or less, Mn: 3% or less, Ni: 40 to 60%, Co: 10.14 to 25%, Cr: 15% or more and less than 28%, either one or both of Mo: 12% or less and W: less than 0.05%, the total content thereof being 0.1 to 12%, Nd: 0.001 to 0.1%, B: 0.0005 to 0.006%, N: 0.03% or less, O: 0.03% or less, at least one selected from Al: 1.36% or less, Ti: 3% or less, and Nb: 3% or less, and the balance being Fe and impurities. The contents of P and S in the impurities are P: 0.03% or less and S: 0.01% or less. The alloy satisfies 1?4×Al+2×Ti+Nb?12 and P+0.2×Cr×B?0.035, where an element in the Formulas represents the content by mass percent.Type: GrantFiled: May 16, 2012Date of Patent: August 19, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Hiroyuki Hirata, Hirokazu Okada, Hiroyuki Semba, Kazuhiro Ogawa, Atsuro Iseda, Mitsuru Yoshizawa
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Patent number: 8801877Abstract: An austenitic heat resistant alloy, which comprises by mass percent, C: over 0.02 to 0.15%, Si?2%, Mn?3%, P?0.03%, S?0.01%, Cr: 28 to 38%, Ni: over 40 to 60%, Co?20% (including 0%), W over 3 to 15%, Ti: 0.05 to 1.0%, Zr: 0.005 to 0.2%, Al: 0.01 to 0.3%, N?0.02%, and Mo<0.5%, with the balance being Fe and impurities, in which the following formulas (1) to (3) are satisfied has high creep rupture strength and high toughness after a long period of use at a high temperature, and further it is excellent in hot workability. This austenitic heat resistant alloy may contain a specific amount of one or more elements selected from Nb, V, Hf, B, Mg, Ca, Y, La, Ce, Nd, Sc, Ta, Re, Ir, Pd, Pt and Ag. P?3/{200(Ti+8.5×Zr)} . . . (1), 1.35×Cr?Ni+Co?1.85×Cr . . . (2), Al?1.5×Zr . . . (3).Type: GrantFiled: June 3, 2013Date of Patent: August 12, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Hiroyuki Semba, Hirokazu Okada, Masaaki Igarashi
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Patent number: 8801876Abstract: [Problem to be Solved] A Ni-based alloy product consisting of, by mass percent, C: 0.03 to 0.10%, Si: 0.05 to 1.0%, Mn: 0.1 to 1.5%, Sol.Al: 0.0005 to 0.04%, Fe: 20 to 30%, Cr: not less than 21.0% and less than 25.0%, W: exceeding 6.0% and not more than 9.0%, Ti: 0.05 to 0.2%, Nb: 0.05 to 0.35%, and B: 0.0005 to 0.006%, the balance being Ni and impurities, the impurities being P: 0.03% or less, S: 0.01% or less, N: less than 0.010%, Mo: less than 0.5%, and Co: 0.8% or less, wherein a value of effective B (Beff) defined by the formula, Beff (%)=B?(11/14)×N+(11/48)×Ti, is 0.0050 to 0.0300%, and the rupture elongation in a tensile test at 700° C. and at a strain rate of 10?6/sec is 20% or more. This alloy may contain one or more kinds of Cu, Ta, Zr, Mg, Ca, REM, and Pd.Type: GrantFiled: March 15, 2012Date of Patent: August 12, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Atsuro Iseda, Hiroyuki Hirata, Hirokazu Okada, Hiroyuki Semba
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Publication number: 20140212324Abstract: Provided by the present invention are a fine crystallite high-function metal alloy member, a method for manufacturing the same, and a business development method thereof, in which a crystallite of a metal alloy including a high-purity metal alloy whose crystal lattice is a face-centered cubic lattice, a body-centered cubic lattice, or a close-packed hexagonal lattice is made fine with the size in the level of nanometers (10?9 m to 10?6 m) and micrometers (10?6 m to 10?3 m), and the form thereof is adjusted, thereby remedying drawbacks thereof and enhancing various characteristics without losing superior characteristics owned by the alloy.Type: ApplicationFiled: April 10, 2012Publication date: July 31, 2014Applicant: THREE-O CO., LTD.Inventor: Kazuo Ogasa
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Publication number: 20140150932Abstract: A multi-element alloy material consists of Al, Cr, Fe, Mn, Mo and Ni. From an outer surface to a center of the multi-element alloy material exhibits a hardness gradient from high to low. A method of manufacturing a multi-element alloy material with hardness gradient includes melting and casting metals with a metal combination of Al, Cr, Fe, Mn, Mo and Ni to form an alloy body, subjecting the alloy body to a homogenization treatment, and subjecting the homogenized alloy body to a high temperature treatment to perform precipitation hardening at surface of the alloy body by heating, thereby forming a multi-element alloy material having hardness gradient.Type: ApplicationFiled: December 26, 2012Publication date: June 5, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Hsien Chou, Chih-Chao Yang
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Publication number: 20140137994Abstract: Austenitic stainless steel having high temperature strength and excellent nitric acid corrosion resistance is provided. The austenitic stainless steel according to the present embodiment including, in mass percent, C: at most 0.050%, Si: 0.01 to 1.00%, Mn: 1.75 to 2.50%, P: at most 0.050%, S: at most 0.0100%, Ni: 20.00 to 24.00%, Cr: 23.00 to 27.00%, Mo: 1.80 to 3.20%, and N: 0.110 to 0.180%, the balance being Fe and impurities, a grain size number of crystal grains based on JIS G0551 (2005) is at least 6.0, and an area fraction of a ? phase is at most 0.1%.Type: ApplicationFiled: June 20, 2012Publication date: May 22, 2014Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventor: Masaki Ueyama
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Patent number: 8716168Abstract: Electrode catalysts for fuel cells, a method of manufacturing the same, a membrane electrode assembly (MEA) including the same, and a fuel cell including the MEA are provided. The electrode catalysts include a first catalyst alloy containing palladium (Pd), cobalt (Co), and phosphorus (P), a second catalyst alloy containing palladium (Pd) and phosphorus (P), and a carbon-based support to support the catalysts.Type: GrantFiled: December 8, 2010Date of Patent: May 6, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-jong Yoo, Kyung-jung Kwon, Chan-ho Pak, Victor Roev, Kang-hee Lee, Seon-ah Jin
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Publication number: 20140083576Abstract: There is provided an austenitic alloy pipe that is durable even if a stress distribution different according to usage environment is applied. The austenitic alloy pipe in accordance with the present invention has a tensile yield strength YSLT of at least 689.1 MPa. The tensile yield strength YSLT, a compressive yield strength YSLC in a pipe axial direction, a tensile yield strength YSCT in a pipe circumferential direction of the alloy pipe, and a compressive yield strength YSCC in the pipe circumferential direction satisfy Formulas (1) to (4). 0.90?YSLC/YSLT?1.11??(1) 0.90?YSCC/YSCT?1.11??(2) 0.90?YSCC/YSLT?1.11??(3) 0.90?YSCT/YSLT?1.Type: ApplicationFiled: March 19, 2012Publication date: March 27, 2014Applicant: Nippon Steel & Sumitomo Medtal CorporationInventors: Naoki Sawawatari, Kouichi Kuroda, Hitoshi Suwabe, Masaki Ueyama
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Publication number: 20140065485Abstract: A complex alloy of at least three phases comprising a composite alloy composed of an Si single phase and an Si—Al-M alloy phase, and an L phase offers a negative electrode material. M is an element selected from transition metals and metals of Groups 4 and 5, and L is In, Sn, Sb, Pb or Mg. The negative electrode material provides a lithium ion battery with a high capacity and long life. The material itself is highly conductive and increases the energy density per volume of a lithium ion battery.Type: ApplicationFiled: September 5, 2013Publication date: March 6, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Naofumi Shinya, Takehisa Minowa
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Publication number: 20140060707Abstract: Alloys, processes for preparing the alloys, and manufactured articles including the alloys are described. The alloys include, by weight, about 10% to about 20% chromium, about 4% to about 7% titanium, about 1% to about 3% vanadium, 0% to about 10% iron, less than about 3% nickel, 0% to about 10% tungsten, less than about 1% molybdenum, and the balance of weight percent including cobalt and incidental elements and impurities.Type: ApplicationFiled: August 28, 2013Publication date: March 6, 2014Applicant: QuesTek Innovations LLCInventors: James A. Wright, Jeremy Hoishun Li
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Publication number: 20140010701Abstract: Alloys based on titanium aluminides, such as ? (TiAl) which may be made through the use of casting or powder metallurgical processes and heat treatments. The alloys contain titanium, 38 to 46 atom % aluminum, and 5 to 10 atom % niobium, and they contain composite lamella structures with B19 phase and ? phase there in a volume ratio of the B19 phase to ? phase 0.05:1 and 20:1.Type: ApplicationFiled: June 28, 2013Publication date: January 9, 2014Applicant: GKSS-Forschungszentrum Geesthacht GmbHInventors: Fritz Appel, Jonathan Paul, Michael Oehring
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Publication number: 20130292008Abstract: The present invention provides an electrical/electronic material which has low contact resistance, excellent corrosion resistance, high hardness, high flexing strength and excellent processability. The electrical/electronic material is characterized by being composed of 20-40% by mass of Ag, 20-40% by mass of Pd, 10-30% by mass of Cu and 1.0-20% by mass of Pt and having a hardness of 340-420 HV at the time of precipitation hardening after metal forming and an adequate flexing strength.Type: ApplicationFiled: July 28, 2011Publication date: November 7, 2013Applicant: TOKURIKI HONTEN CO., LTD.Inventors: Ryu Shishino, Kenichiro Miyamoto
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Patent number: 8512485Abstract: A alloy and a process of forming a alloy are disclosed. The alloy has a predetermined grain boundary morphology. The alloy includes by weight greater than about 0.06 percent carbon, up to about 0.0015 percent sulfur, less than about 16 percent chromium, between about 39 percent and about 44 percent nickel, between about 2.5 percent and about 3.3 percent niobium, between about 1.4 percent and about 2 percent titanium, up to about 0.5 percent aluminum, up to about 0.006 percent boron, up to about 0.3 percent copper, up to about 0.006 percent nitrogen, and greater than about 0.5 percent molybdenum.Type: GrantFiled: January 3, 2011Date of Patent: August 20, 2013Assignee: General Electric CompanyInventors: Ganjiang Feng, George A. Goller, Raymond Joseph Stonitsch, Jason R. Parolini, Shan Liu
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Publication number: 20130206287Abstract: A Co-based alloy containing not less than 0.001 mass % and less than 0.100 mass % of C, not less than 9.0 mass % and less than 20.0 mass % of Cr, not less than 2.0 mass % and less than 5.0 mass % of Al, not less than 13.0 mass % and less than 20.0 mass % of W, and not less than 39.0 mass % and less than 55.0 mass % of Ni, with the remainder being made up by Co and unavoidable impurities, wherein the contents of Mo, Nb, Ti and Ta which are included in the unavoidable impurities are as follows: Mo<0.010 mass %, Nb<0.010 mass %, Ti<0.010 mass %, and Ta<0.010 mass %.Type: ApplicationFiled: August 15, 2011Publication date: August 15, 2013Applicants: TOHOKU UNIVERSITY, HITACHI, LTD.Inventors: Jun Sato, Shinya Imano, Mototsugu Osaki, Shigeki Ueta, Kiyohito Ishida, Toshihiro Omori, Hiroaki Nishida, Masahiro Hayashi, Tomoki Shiota
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Patent number: 8506729Abstract: An austenitic stainless steel hot-rolled steel material can be provided which has sea-water resistance and strength superior to conventional steel. Low-temperature toughness can be maintained, which is preferable in a structural member of speedy craft. The steel material can include an austenitic stainless steel hot-rolled steel material which excels in the properties of corrosion resistance, proof stress, and low-temperature toughness. In such austenitic stainless steel hot-rolling steel material, e.g., PI [=Cr+3.3(Mo+0.5W)+16N] ranges from 35 to 40, ? cal [=2.9 (Cr+0.3Si+Mo+0.5W)?2.6 (Ni+0.3Mn+0.25Cu+35C+20N)?18] ranges from ?6 to +2, and a 0.2% proof stress at room temperature is not less than 550 MPa, Charpy impact value measured using a V-notch test piece at ?40° C. is not less than 100 J/cm2, and the pitting potential measured in a deaerated aqueous solution of 10% NaCl at 50° C. (Vc?100) is not less than 500 mV (as it relates to saturated Ag/AgCl).Type: GrantFiled: January 13, 2012Date of Patent: August 13, 2013Assignee: Nippon Steel & Sumikin Stainless Steel CorporationInventors: Yuusuke Oikawa, Shinji Tsuge, Shigeo Fukumoto, Kazuhiro Suetsugu, Ryo Matsuhashi, Hiroshige Inoue
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Patent number: 8454765Abstract: An austenitic, substantially ferrite-free steel alloy and a process for producing components therefrom. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.Type: GrantFiled: April 15, 2011Date of Patent: June 4, 2013Assignees: Boehler Edelstahl GmbH & Co. KG, Schoeller-Bleckmann Oilfield Technology GmbHInventors: Gabriele Saller, Herbert Aigner, Josef Bernauer, Raimund Huber
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Publication number: 20130048150Abstract: A method for producing a workpiece having properties which are adjustable across a wall thickness or strip thickness of the workpiece, includes the steps of subjecting the workpiece to a decarburizing annealing treatment under an oxidizing atmosphere and to an accelerated cooling and/or a cold forming for generating a property gradient of the workpiece, wherein the workpiece is made of an austenitic lightweight steel which has an alloy composition which includes by weight percent 0.2% to 1% carbon, 0.05% to <15% aluminum, 0.05% to 6.0% silicon, 9% to <30% manganese, and at least one element selected from the group consisting of chromium, copper, boron, titanium, zirconium, vanadium and niobium, wherein chromium=4.0%; titanium+zirconium=0.7%; niobium+vanadium=0.5%, boron=1%, the remainder iron including common steel companion elements.Type: ApplicationFiled: February 10, 2011Publication date: February 28, 2013Applicant: SALZGITTER FLACHSTAHL GMBHInventors: Daniela John, Manuel Otto, Rune Schmidt-Jürgensen, Thomas Evertz, Zacharias Georgeou, Bianca Springub
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Publication number: 20130014862Abstract: The present invention provides an Ni-base dual multi-phase intermetallic compound alloy which has a dual multi-phase microstructure including: a primary precipitate L12 phase and an (L12+D022) eutectoid microstructure, and which comprises more than 5 atomic % and up to 13 atomic % of Al; at least 9.5 atomic % and less than 17.5 atomic % of V; between 0 atomic % and 5.0 atomic % inclusive of Nb; more than 0 atomic % and up to 12.5 atomic % of Ti; more than 0 atomic % and up to 12.5 atomic % of C; and a remainder comprising Ni.Type: ApplicationFiled: March 25, 2011Publication date: January 17, 2013Applicant: OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATIONInventors: Takayuki Takasugi, Yasuyuki Kaneno
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Publication number: 20130008572Abstract: The present invention provides an Ni-base dual multi-phase intermetallic compound alloy which has a dual multi-phase microstructure comprising a primary precipitate L12 phase and an (L12+D022) eutectoid microstructure, and which comprises: more than 5 atomic % and up to 13 atomic % of Al; at least 9.5 atomic % and less than 17.5 atomic % of V; more than 0 atomic % and up to 12.5 atomic % of Nb; more than 0 atomic % and up to 12.5 atomic % of C; and a remainder comprising Ni.Type: ApplicationFiled: March 25, 2011Publication date: January 10, 2013Applicant: OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATIONInventors: Takayuki Takasugi, Yasuyuki Kaneno
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Patent number: 8334056Abstract: An alloy including: about 10 at % to about 30 at % of a Pt-group metal; less than about 23 at % Al; about 0.5 at % to about 2 at % of at least one reactive element selected from Hf, Y, La, Ce and Zr, and combinations thereof; a superalloy substrate constituent selected from the group consisting of Cr, Co, Mo, Ta, Re and combinations thereof; and Ni; wherein the Pt-group metal, Al, the reactive element and the superalloy substrate constituent are present in the alloy in a concentration to the extent that the alloy has a solely ??-Ni3Al phase constitution.Type: GrantFiled: September 2, 2011Date of Patent: December 18, 2012Assignee: Iowa State University Research Foundation, Inc.Inventors: Brian M. Gleeson, Daniel J. Sordelet, Wen Wang
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Patent number: 8318083Abstract: The present invention addresses the need for new austenitic steel compositions with higher creep strength and higher upper temperatures. The new austenitic steel compositions retain desirable phases, such as austenite, M23C6, and MC in its microstructure to higher temperatures. The present invention also discloses a methodology for the development of new austenitic steel compositions with higher creep strength and higher upper temperatures.Type: GrantFiled: July 20, 2010Date of Patent: November 27, 2012Assignee: UT-Battelle, LLCInventors: Roman I Pankiw, Govindarajan Muralidharan, Vinod Kumar Sikka, Philip J. Maziasz
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Patent number: 8313591Abstract: An austenitic heat resistant alloy, which contains, by mass percent, C?0.15%, Si?2%, Mn?3%, Ni: 40 to 80%, Cr: 15 to 40%, W and Mo: 1 to 15% in total content, Ti?3%, Al?3%, N?0.03%, O?0.03%, with the balance being Fe and impurities, and among the impurities P?0.04%, S?0.03%, Sn?0.1%, As?0.01%, Zn?0.01%, Pb?0.01% and Sb?0.01%, and satisfies the conditions [P1=S+{(P+Sn)/2}+{(As+Zn+Pb+Sb)/5}?0.050], [0.2?P2=Ti+2Al?7.5?10×P1], [P2?9.0?100×O] and [N?0.002×P2+0.019] can prevent both the liquation crack in the HAZ and the brittle crack in the HAZ and also can prevent defects due to welding fabricability, which occur during welding fabrication, and moreover has excellent creep strength at high temperatures. Therefore, the alloy can be used suitably as a material for constructing high temperature machines and equipment, such as power generating boilers, plants for the chemical industry and so on.Type: GrantFiled: December 24, 2009Date of Patent: November 20, 2012Assignee: Sumitomo Metal Industries, Ltd.Inventors: Hiroyuki Hirata, Atsuro Iseda, Hirokazu Okada, Hiroyuki Semba, Kaori Kawano, Osamu Miyahara
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Patent number: 8303735Abstract: A conventional low-temperature solder containing Pb or Cd had problems with respect to environmental pollution. A conventional low-temperature lead-free solder had a liquidus temperature which was too high for low heat resistance parts having a heat resistance temperature of 130° C., or it was brittle or had low mechanical strength. A lead-free low-temperature solder according to the present invention comprises 48-52.5 mass % of In and a balance of Bi, and most of the structure is constituted by a BiIn2 intermetallic compound which is not brittle. Zn or La can be added in order to further improve solderability, and a small amount of P can be added to prevent corrosion at high temperatures and high humidities.Type: GrantFiled: August 18, 2006Date of Patent: November 6, 2012Assignee: Senju Metal Industry Co., Ltd.Inventor: Minoru Ueshima
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Publication number: 20120249804Abstract: A work hardening treatment which decreases the Young's modulus, and an age hardening treatment which recovers or increases the Young's modulus decreased by the work hardening treatment are performed to form a vibrating portion, thereby attaining a vibrating element (30) advantageous in downsizing while ensuring desired fatigue characteristics and vibration characteristics. This downsizes, for example, an actuator device (1), an optical scanning device, a video projection apparatus, and an image forming apparatus.Type: ApplicationFiled: June 11, 2012Publication date: October 4, 2012Applicant: CANON DENSHI KABUSHIKI KAISHAInventors: Naruki Suzuki, Katsumi Arai, Takayuki Wakabayashi
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Patent number: 8277582Abstract: The present invention provides a hydrogen absorbing alloy containing a phase of a Pr5Co19 type crystal structure having a composition defined by a general formula A(4?w)B(1+w)C19 (A denotes one or more element(s) selected from rare earth elements including Y (yttrium); B denotes an Mg element; C denotes one or more element(s) selected from a group consisting of Ni, Co, Mn, and Al; and w denotes a numeral in a range from ?0.1 to 0.8) and having a composition as a whole defined by a general formula R1xR2yR3z (15.8?x?17.8, 3.4?y?5.0, 78.8?z?79.6, and x+y+z=100; R1 denotes one or more element(s) selected from rare earth elements including Y (yttrium); R2 denotes an Mg element, R3 denotes one or more element(s) selected from a group consisting of Ni, Co, Mn, and Al; the numeral of Mn+Al in the z is 0.5 or higher; and the numeral of Al in the z is 4.1 or lower).Type: GrantFiled: April 19, 2011Date of Patent: October 2, 2012Assignees: GS Yuasa International Ltd., National Institute of Advanced Industrial Science and TechnologyInventors: Manabu Kanemoto, Tadashi Kakeya, Minoru Kuzuhara, Masaharu Watada, Tetsuo Sakai, Tetsuya Ozaki
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Publication number: 20120222783Abstract: The invention relates to a method for producing a strip made of an AlMgSi alloy in which a rolling ingot is cast of an AlMgSi alloy, the rolling ingot is subjected to homogenization, the rolling ingot which has been brought to rolling temperature is hot-rolled, and then is optionally cold-rolled to the final thickness thereof. The problem of providing a method for producing an aluminum strip made of an AlMgSi alloy and an aluminum strip, which has a higher breaking elongation with constant strength and therefore enables higher degrees of deformation in producing structured metal sheets, is solved in that the hot strip has a temperature of no more than 130° C. directly at the exit of the last rolling pass, preferably a temperature of no more than 100° C., and the hot strip is coiled at that or a lower temperature.Type: ApplicationFiled: December 29, 2011Publication date: September 6, 2012Applicant: HYDRO ALUMINIUM DEUTSCHLAND GMBHInventors: Henk-Jan Brinkman, Thomas Wirtz, Dietmar Schröder, Eike Brünger, Kai-Friedrich Karhausen
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Publication number: 20120168038Abstract: [Problem to be Solved] A Ni-based alloy product consisting of, by mass percent, C: 0.03 to 0.10%, Si: 0.05 to 1.0%, Mn: 0.1 to 1.5%, Sol.Al: 0.0005 to 0.04%, Fe: 20 to 30%, Cr: not less than 21.0% and less than 25.0%, W: exceeding 6.0% and not more than 9.0%, Ti: 0.05 to 0.2%, Nb: 0.05 to 0.35%, and B: 0.0005 to 0.006%, the balance being Ni and impurities, the impurities being P: 0.03% or less, S: 0.01% or less, N: less than 0.010%, Mo: less than 0.5%, and Co: 0.8% or less, wherein a value of effective B (Beff) defined by the formula, Beff (%)=B?(11/14)×N+(11/48)×Ti, is 0.0050 to 0.0300%, and the rupture elongation in a tensile test at 700° C. and at a strain rate of 10?6/sec is 20% or more. This alloy may contain one or more kinds of Cu, Ta, Zr, Mg, Ca, REM, and Pd.Type: ApplicationFiled: March 15, 2012Publication date: July 5, 2012Applicant: SUMITOMO METAL INDUSTRIES, LTD.Inventors: Atsuro ISEDA, Hiroyuki HIRATA, Hirokazu OKADA, Hiroyuki SEMBA
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Publication number: 20120114491Abstract: An example die casting system includes a die that defines a cavity having a first section and a second section. The first section is configured to receive a first portion of a component. The second section is configured to receive a molten material. The die holds the molten material as the molten material solidifies to form a second portion of the component.Type: ApplicationFiled: November 5, 2010Publication date: May 10, 2012Inventors: Mario P. Bochiechio, Steven J. Bulliad, Carl R. Verner
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Patent number: 8172959Abstract: There are provided an austenitic stainless steel having high stress corrosion crack resistance, characterized by containing, in percent by weight, 0.030% or less C, 0.1% or less Si, 2.0% or less Mn, 0.03% or less P, 0.002% or less S, 11 to 26% Ni, 17 to 30% Cr, 3% or less Mo, and 0.01% or less N, the balance substantially being Fe and unavoidable impurities; a manufacturing method for an austenitic stainless steel, characterized in that a billet consisting of the said austenitic stainless steel is subjected to solution heat treatment at a temperature of 1000 to 1150° C.; and a pipe and a in-furnace structure for a nuclear reactor to which the said austenitic stainless steel is applied.Type: GrantFiled: January 13, 2005Date of Patent: May 8, 2012Assignees: Mitsubishi Heavy Industries, Ltd., The Tokyo Electric Power Company, Inc.Inventors: Yasuhiro Sakaguchi, Toshihiko Iwamura, Hiroshi Kanasaki, Hidehito Mimaki, Masaki Taneike, Shunichi Suzuki, Kenrou Takamori, Suguru Ooki, Naoki Anahara, Naoki Hiranuma, Toshio Yonezawa
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Publication number: 20120093679Abstract: The invention relates to a method for the production of tools for a chip-removing machining of metallic materials and to a tool with improved wear resistance and/or high toughness. The invention further provides an alloyed steel with a chemical composition comprising carbon, silicon, manganese, chromium, molybdenum, tungsten, vanadium, and cobalt as well as aluminum, nitrogen, and iron. The alloyed steel may be used to make tools to a hardness of greater than 66 HRC and increased chip-removing machining performance.Type: ApplicationFiled: October 17, 2011Publication date: April 19, 2012Applicant: BOEHLER EDELSTAHL GMBH & CO. KGInventors: Gert KELLEZI, Devrim CALISKANOGLU, Andreas BAERNTHALER
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Publication number: 20120067464Abstract: Provided is a Co—Ni-based alloy in which a crystal is easily controlled, a method of controlling a crystal of a Co—Ni-based alloy, a method of producing a Co—Ni-based alloy, and a Co—Ni-based alloy having controlled crystallinity. The Co—Ni-based alloy includes Co, Ni, Cr, and Mo, in which the Co—Ni-based alloy has a crystal texture in which a Goss orientation is a main orientation. The Co—Ni-based alloy preferably has a composition including, in terms of mass ratio: 28 to 42% of Co, 10 to 27% of Cr, 3 to 12% of Mo, 15 to 40% of Ni, 0.1 to 1% of Ti, 1.5% or less of Mn, 0.1 to 26% of Fe, 0.1% or less of C, and an inevitable impurity; and at least one kind selected from the group consisting of 3% or less of Nb, 5% or less of W, 0.5% or less of Al, 0.1% or less of Zr, and 0.01% or less of B.Type: ApplicationFiled: September 13, 2011Publication date: March 22, 2012Inventors: Akihiko CHIBA, Takuma OTOMO, Yasunori AKASAKA, Tomoo KOBAYASHI, Ryo SUGAWARA
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Patent number: 8119063Abstract: High-alloy austenitic stainless steels that are extra resistant to pitting and crevice corrosion in aggressive, chloride-containing solutions have a tendency for macro-segregation of Mo, at solidification of the melt. This problem is solved by a super austenite stainless steel having the following composition, in % by weight: max 0.03 C, max 0.5 Si, max 6 Mn, 28-30 Cr, 21-24 Ni, 4-6% (Mo+W/2), the content of W being max 0.7, 0.5-1.1 N, max 1.0 Cu, balance iron and impurities at normal contents originating from the production of the steel.Type: GrantFiled: December 28, 2005Date of Patent: February 21, 2012Assignee: Outokumpu OyjInventors: Hachemi Loucif, Mats Liljas
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Patent number: 8105447Abstract: An austenitic stainless steel hot-rolled steel material can be provided which has sea-water resistance and strength superior to conventional steel. Low-temperature toughness can be maintained, which is preferable in a structural member of speedy craft. The steel material can include an austenitic stainless steel hot-rolled steel material which excels in the properties of corrosion resistance, proof stress, and low-temperature toughness. In such austenitic stainless steel hot-rolling steel material, e.g., PI [=Cr+3.3(Mo+0.5W)+16N] ranges from 35 to 40, ? cal [=2.9(Cr+0.3Si+Mo+0.5W)?2.6(Ni+0.3Mn+0.25Cu+35C+20N)?18] ranges from ?6 to +2, and a 0.2% proof stress at room temperature is not less than 550 MPa, Charpy impact value measured using a V-notch test piece at ?40° C. is not less than 100 J/cm2, and the pitting potential measured in a deaerated aqueous solution of 10% NaCl at 50° C. (Vc?100) is not less than 500 mV (as it relates to saturated Ag/AgCl).Type: GrantFiled: February 23, 2009Date of Patent: January 31, 2012Assignee: Nippon Steel & Sumikin Stainless Steel CorporationInventors: Yuusuke Oikawa, Shinji Tsuge, Shigeo Fukumoto, Kazuhiro Suetsugu, Ryo Matsuhashi, Hiroshige Inoue
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Patent number: 8071020Abstract: A high strength Cr—Ni alloy material excellent in hot workability and stress corrosion cracking resistance, and seamless pipe for oil well application which consists of, by mass percent, C: 0.05% or less, Si: 0.05 to 1.0%, Mn: 0.01% or more and less than 3.0%, P: 0.05% or less, S: 0.005% or less, Cu: 0.01 to 4%, Ni: 25% or more and less than 35%, Cr: 20 to 30%, Mo: 0.01% or more and less than 4.0%, N: 0.10 to 0.30%, Al: 0.03 to 0.30%, O (oxygen): 0.01% or less, and REM (rare earth metal): 0.01 to 0.20% with the balance being Fe and impurities, and also satisfies the conditions in the following formula (1). N×P/REM?0.40??formula (1) where P, N, and REM in the formula (1) respectively denote the contents (mass %) of P, N, and REM. The high strength Cr—Ni alloy material may further contain one or more types of W, Ti, Nb, Zr, V, Ca, and Mg, instead of part of Fe.Type: GrantFiled: June 16, 2009Date of Patent: December 6, 2011Assignee: Sumitomo Metal Industries, Ltd.Inventors: Yohei Otome, Masaaki Igarashi, Hisashi Amaya, Hirokazu Okada
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Publication number: 20110286312Abstract: [Task] A constant-modulus alloy, which has a low saturation magnetic flux density to provide weakly magnetic properties, a high Young's modulus, a low temperature coefficient of Young's modulus, and high hardness, is provided. A hairspring, a mechanical driving apparatus and a watch and clock, in which the alloy is used, are provided. [Means for Solution] The alloy consists essentially of, by atomic weight ratio, 20 to 40% Co and 7 to 22% Ni, with the total of Co and Ni being 42.0 to 49.5%, 5 to 13% Cr and 1 to 6% Mo, with the total of Cr and Mo being 13.5 to 16.0%, and with the balance being essentially Fe (with the proviso that Fe is present in an amount of 37% or more) and inevitable impurities. The alloy is heated to a temperature of 1100 degrees C. or higher and lower than the melting point, followed by cooling. The alloy is subsequently subjected to repeated wiredrawing and intermediate annealing at 800 to 950 degrees C., thereby forming a wire at a working ratio of 90% or more.Type: ApplicationFiled: November 16, 2009Publication date: November 24, 2011Applicants: SEIKO INSTRUMENTS INC., FOUNDATION: THE RESEARCH INSTITUTE FOR ELECTRIC AND MAGNETIC MATERIALSInventors: Yuetsu Murakami, Koichiro Jujo, Osamu Takahashi, Jun Tsuneyoshi, Ryo Sugawara, Takeshi Takano