Next To Nonferrous Metal Or Nonferrous Base Alloy Patents (Class 148/530)
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Patent number: 11827996Abstract: A Ni diffusion-plated steel sheet of the present invention includes a base steel sheet and a Fe—Ni diffusion alloy-plating layer positioned on at least one surface of the base steel sheet, a Ni coating weight of the Fe—Ni diffusion alloy-plating layer is 9.0 to 35 g/m2, a Fe concentration Cs of an outermost layer of the Fe—Ni diffusion alloy-plating layer is 10 to 55 mass %, the base steel sheet has a predetermined chemical composition, and a ferrite grain size number specified by JIS G 0551 (2013) of the base steel sheet is 10.0 or more.Type: GrantFiled: April 12, 2019Date of Patent: November 28, 2023Assignee: NIPPON STEEL CORPORATIONInventors: Takehiro Takahashi, Kiyokazu Ishizuka, Yasuto Goto
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Patent number: 11781596Abstract: In one aspect of the present invention, a method for manufacturing a bearing component includes: a preparation step of preparing a ring-shaped member of steel having a radially inner surface, a radially outer surface, and a thickness which is a distance between the radially inner surface and the radially outer surface; and a heat treatment step of performing a heat treatment to locally heat one of the radially inner surface and the radially outer surface to a heat treatment temperature and subsequently cool the one of the radially inner surface and the radially outer surface, the method satisfying S?930/(0.3477 W2?1.594 W?0.804), where S represents an average temperature increasing rate (unit: ° C./sec) applied when the surface is heated and W represents the thickness (unit: mm).Type: GrantFiled: December 5, 2017Date of Patent: October 10, 2023Assignee: NTN CORPORATIONInventors: Hiroshi Yuki, Miyu Sato, Chikara Ohki
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Patent number: 11519059Abstract: A high-strength high-elongation tinned primary plate and a double cold reduction method therefor. The tinned primary plate comprises the following components by weight from 0.065 to 0.12% of carbon, from 0.2 to 0.8% of manganese, from 0.003 to 0.015% of nitrogen, the remainder being iron and the inevitable trace impurities. The tinned primary plate is necessarily subjected to double cold reduction at a reduction of 5˜13% and a rolling tension of 50˜100 MPa. The tinned primary plate has a yield strength of Rp0.2?520 MPa, and percentage elongations in rolling direction RD, 45° direction and perpendicular direction TD, which are all greater than or equal to 10% after bake-hardening.Type: GrantFiled: May 26, 2017Date of Patent: December 6, 2022Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Fuliang Lian, Bijun Ban, Gaofei Liang
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Patent number: 11427900Abstract: A steel sheet includes a predetermined chemical composition and a metal structure represented by, in area fraction, ferrite: 50% to 95%, granular bainite: 5% to 48%, tempered martensite: 2% to 30%, upper bainite, lower bainite, fresh martensite, retained austenite, and pearlite: 5% or less in total, and the product of the area fraction of the tempered martensite and a Vickers hardness of the tempered martensite: 800 to 10500.Type: GrantFiled: January 31, 2017Date of Patent: August 30, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Katsuya Nakano, Kunio Hayashi, Yuri Toda, Eisaku Sakurada, Akihiro Uenishi
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Patent number: 11331710Abstract: A method for producing a motor vehicle component with at least two regions of different strengths and a protective layer, consisting of the following process steps: —providing precoated blanks made of a steel alloy, which can be hardened, —homogeneously heating to a heating temperature, which is at least greater than or equal to the AC1 temperature, preferably greater than or equal to the AC3 temperature, —holding the heating temperature, so that the precoating alloys with the blank, —homogeneously intercooling the alloyed blank to an intercooling temperature between 450 deg. C. and 700 deg. C.Type: GrantFiled: February 23, 2017Date of Patent: May 17, 2022Assignee: BENTELER AUTOMOBILTECHNIK GMBHInventors: Christian Hielscher, Simon Werneke, Stefan Horn, Borek Dvorak, Radovan Kout, Martin Schaele
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Patent number: 11305326Abstract: A process and a system for forming of a workpiece using a press including a pressure generator, a forming tool, and an at least in part elastically deformable element, are disclosed. At least one of the workpiece or the forming tool is heated, and the workpiece is formed using the press so as to obtain a formed workpiece. The heating of at least one of the workpiece or the forming tool is such that the temperature of the at least one of the workpiece or the forming tool during the forming of the workpiece by way of forming pressure generated by the pressure generator is higher than the ambient temperature.Type: GrantFiled: July 8, 2016Date of Patent: April 19, 2022Assignee: QUINTUS TECHNOLOGIES ABInventors: Sture Olsson, Mikael Bergkvist, Carolina Nilsson, Bjorn Carlsson, Hans Hedstrom
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Patent number: 11130161Abstract: Disclosed are a high-strength corrosion-resistant cladding chequered steel and a manufacturing method therefor. The high-strength corrosion-resistant cladding chequered steel includes a substrate and a chequered cladding layer cladded on the substrate by single-sided or double-sided rolling. The mass percentages of the chemical elements of the substrate are: C: 0.01% to 0.20%, Si: 0.10% to 0.5%, Mn: 0.5% to 2.0%, Al: 0.02% to 0.04%, Ti: 0.005% to 0.018%, Nb: 0.005% to 0.020%, 0<B?0.0003%, N?0.006%, and the balance being steel and other inevitable impurities. The high-strength corrosion-resistant cladding steel plate has a high strength, a high corrosion resistance, a yield strength ?470 MPa, a tensile strength ?610 MPa, a shear strength ?410 MPa, and an elongation ?40%.Type: GrantFiled: November 16, 2017Date of Patent: September 28, 2021Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Bo Yan, Sihai Jiao, Xiaoming Xia
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Patent number: 10434597Abstract: Methods of fabricating reduced weight components for apparatuses include obtaining a component including a relatively lightweight material; placing at least one stabilizing structure on the component; sequentially applying a plurality of applied layers on the component and the stabilizing structure by applying the relatively lightweight material over the component and applying over the relatively lightweight material a plurality of layers having gradually progressively higher proportions of the relatively heavyweight material than preceding ones of the plurality of layers closer to the component, with an outer layer of the plurality of applied layers including the relatively heavyweight material; diffusion bonding the plurality of applied layers by consolidation of the plurality of applied layers; and cutting component features in the plurality of applied layers.Type: GrantFiled: July 10, 2017Date of Patent: October 8, 2019Inventor: Steven P. Burgess
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Patent number: 10217970Abstract: A battery can forming steel plate that configures an electrode can (a positive electrode can) of an alkaline battery and is to be formed into a battery can by presswork, the steel plate as a base material includes an iron and nickel diffusion layer or an iron and nickel-cobalt alloy diffusion layer that is formed by forming a nickel plated layer or a nickel-cobalt alloy plated layer with a thickness of 0.5 to 2.0 ?m on an inner surface of a battery can of a steel plate (base material steel plate) as a base material, and subsequently performing heat diffusion treatment on the nickel plated layer or the nickel-cobalt alloy plated layer. An average number of crystal grains per 0.25 mm2 unit area of the steel plate as the base material is equal to or more than 12.3.Type: GrantFiled: September 28, 2017Date of Patent: February 26, 2019Assignee: FDK CORPORATIONInventors: Shigeyuki Kuniya, Takuya Suzuki
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Patent number: 10001228Abstract: The invention relates to an unbonded flexible pipe for offshore applications. The pipe comprises an inner sealing sheath defining a bore and at least one armoring layer comprising metal, wherein the metal of the armoring layer is manganese steel with a composition comprising in mass % of the total steel composition about 9-30% manganese (Mn) about 1-4% aluminum (Al) about 0-6% silicium (Si) about 0-4% copper (Cu) about 0-4% nickel (Ni) about 0-1% carbon (C) the remainder is iron and impurities.Type: GrantFiled: May 9, 2012Date of Patent: June 19, 2018Assignee: NATIONAL OILWELL VARCO DENMARK I/SInventor: Søren Gundstrup
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Patent number: 9956636Abstract: A welded blank assembly includes a capping material in a weld region of the assembly. The capping material can help protect a weld joint joining first and second sheet metal pieces together. At least one of the sheet metal pieces has a coating material layer that is removed prior to forming the weld joint so that the coating material does not contaminate the weld joint. The removed coating material can be collected before the weld joint is formed and reapplied as part of the capping material after the weld joint is formed, effectively changing the coating material from a potential weld contaminant to a weld joint protectant. The capping material may also include additional material from a source other than the coating material layer.Type: GrantFiled: March 14, 2014Date of Patent: May 1, 2018Assignee: SHILOH INDUSTRIES, INC.Inventors: James J. Evangelista, Michael Telenko, Jason E. Harfoot, Jack A. Atkinson, James W. Walther, Anthony M. Parente
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Patent number: 9738958Abstract: Provided is an austenitic, lightweight, high-strength steel sheet having a high yield ratio and ductility and a method for producing the same, and more particularly, to a high-strength steel sheet for automotive interior panels, exterior panels, and structural parts, and a method for producing the steel sheet. The steel sheet may be a hot-rolled steel sheet, a cold-rolled steel sheet, or a plated steel sheet. The steel sheet includes, by weight %, C: 0.6% to 1.0%, Si: 0.1% to 2.5%, Mn: 10% to 15%, P: 0.02% or less, S: 0.015% or less, Al: 5% to 8%, Ti: 0.01% to 0.20%, N: 0.02% or less, and the balance of Fe and inevitable impurities, wherein the steel sheet has a specific gravity of 7.4 g/cm3 and a Mn/Al ratio of 2 to 3.Type: GrantFiled: December 12, 2011Date of Patent: August 22, 2017Assignee: POSCOInventors: Kwang-Geun Chin, Sang-Ho Han, Jai-Hyun Kwak
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Patent number: 9556738Abstract: A turbine rotor for a supercharger includes a TiAl turbine wheel and a carbon steel shaft joined to each other via an Ni brazing filler metal at a brazed part distanced from a back face of the turbine wheel so that a turbine wheel outer diameter ratio calculated by “a distance from the back face of the turbine wheel to the brazed part”/“an outer diameter of the turbine wheel” is within a range of from 7 to 10%.Type: GrantFiled: February 26, 2013Date of Patent: January 31, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hideki Yamaguchi, Takashi Arai
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Patent number: 9541281Abstract: A high-temperature piping product is configured from a plurality of primary pipe members and a welding material. The primary pipe members are each made from an Ni-based forged alloy containing: Ni, Al, and at least one of Mo and W. The total content of the Mo and the W being 3-8 mass %. The Ni-based forged alloy exhibiting a ??-phase dissolution temperature of from 920 to 970° C., and the ?? phase being precipitated in 30 volume % or more in a temperature range of from 700 to 800° C. The welding material is made from an Ni-based cast alloy having a cast structure formed by welding. The Ni-based cast alloy containing: Ni, Al, and at least one of Mo and W, the total content of the Mo and the W being 9-15 mass %, the Ni-based cast alloy exhibiting a ??-phase dissolution temperature of from 850 to 900° C.Type: GrantFiled: April 8, 2013Date of Patent: January 10, 2017Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Shinya Imano, Hiroyuki Doi, Jun Sato
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Publication number: 20150111057Abstract: Provided is a container-use surface treated steel sheet which is manufactured without using chromium and exhibits excellent working adhesion with a coated organic resin, a method of manufacturing the container-use surface treated steel sheet, an organic resin coated surface treated steel sheet. The container-use surface treated steel sheet is a surface treated steel sheet where nickel plating is applied to at least one-side surface of surfaces of a steel sheet by coating, wherein nickel plating has a fine particle shape formed by fine particles which has particle density of 2 to 500 pieces/?m2 and having an average particle size of 0.05 to 0.7 ?m. The container-use surface treated steel sheet is also characterized in that a coating weight of the nickel plating of the container-use surface treated steel sheet is 0.1 to 12 g/m2, metal tin is contained in coating of the nickel plating, and an amount of metal tin is 0.05 to 0.1 g/m2.Type: ApplicationFiled: May 24, 2013Publication date: April 23, 2015Applicant: TOYO KOHAN CO., LTD.Inventors: Shinichi Taya, Hiroshi Doi, Etsuro Tsutsumi, Kota Sadaki, Masahiro Kai
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Publication number: 20150047753Abstract: The invention relates to a method for producing a component from transformable steel by hot forming, in which a plate first is cut out of a strip or sheet as the pre-material, and is then heated to forming temperature and pre-formed, having an at least partially martensitic transformation structure after forming. Instead of a press mould hardening, the at least partially martensitic transformation structure is created in the pre-material, or in the plate to be formed, by austenitisation and quenching already before forming, and then the thus-conditioned plate is reheated after forming, while maintaining the at least partially martensitic transformation structure, to a temperature below the Ac1 transformation temperature, and formed at this temperature.Type: ApplicationFiled: February 27, 2013Publication date: February 19, 2015Inventors: Friedrich Luther, Thomas Evertz, Stefan Muetze, Michael Braun
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Publication number: 20150010779Abstract: The invention relates to a method for producing packaging steel consisting of a cold-rolled steel sheet made of unalloyed or low-alloy steel having a carbon content of less than 0.1%. In order to provide high-strength packaging steel that has good formability and high corrosion resistance and can be produced in as energy-saving a manner as possible, the steel sheet according to the invention is first coated with a metallic coating and then annealed in a recrystallising manner at a heating rate of more than 75 K/s and preferably more than 100 K/s to temperatures of more than 700° C., such that the metallic coating melts. The coated and annealed steel sheet is then quenched to normal temperature at a cooling rate of at least 100 K/s.Type: ApplicationFiled: November 30, 2012Publication date: January 8, 2015Inventors: Anika Szesni, Helmut Oberhoffer, Martin Schlupp, Dirk Matusch, Reiner Sauer
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Publication number: 20140363694Abstract: A low density high strength steel sheet including 0.15% to 0.25% C, 2.5% to 4% Mn, 0.02% or less P, 0.015% or less S, 6% to 9% Al and 0.01% or less N, the balance being iron and inevitable impurities, wherein 1.7·(Mn—Al)+52.7·C is at least 3 and at most 4.5. A method of producing the low density and high strength steel sheet.Type: ApplicationFiled: February 21, 2012Publication date: December 11, 2014Applicant: TATA STEEL NEDERLAND TECHNOLOGY BVInventors: Cheng Liu, Radhakanta Rana
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Patent number: 8883072Abstract: The present invention provides, in a ?? phase precipitation strengthening type Ni-base alloy, an alloy excellent in heat treatment capability and weldability and suitable for joint with a ferritic steel. Further, the present invention provides a welded turbine rotor having the strength, ductility, and toughness simultaneously over the whole welded structure when a precipitation strengthening type Ni-base alloy having a heatproof temperature of 675° C. or higher is joined to a ferritic steel. A Ni-base alloy according to the present invention contains cobalt, chromium, aluminum, carbon, boron, and at least either tungsten or molybdenum with the remainder being nickel and inevitable impurities, having an alloy composition including 12 to 25 percent by mass of Co, 10 to 18 percent by mass of Cr, 2.0 to 3.6 percent by mass of Al, 0.01 to 0.15 percent by mass of C, 0.001 to 0.03 percent by mass of B, the total amount of tungsten and molybdenum being 5.0 to 10 percent by mass.Type: GrantFiled: September 1, 2009Date of Patent: November 11, 2014Assignee: Hitachi, Ltd.Inventors: Jun Sato, Shinya Imano, Hiroyuki Doi
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Publication number: 20140287259Abstract: A steel foil according to an aspect of the present invention includes a rolled steel foil; and a Ni having <111>//RD texture plated on an outermost layer of the rolled steel foil. Regarding the steel foil, a <111> pole density in an inverse pole figure of a rolling direction may be 3.0 or more and 6.0 or less.Type: ApplicationFiled: April 18, 2013Publication date: September 25, 2014Inventors: Kiyokazu Ishizuka, Yuji Kubo, Jun Nakatsuka, Shuji Nagasaki
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Publication number: 20140216611Abstract: A hot-pressed member includes a steel sheet, a Ni-diffusion region present in a surface layer of the steel sheet, and an intermetallic compound layer and a ZnO layer which are provided in order on the Ni-diffusion region, the intermetallic compound layer corresponding to a ? phase present in a phase equilibrium diagram of a Zn—Ni alloy, wherein a spontaneous immersion potential indicated in a 0.5 M NaCl aqueous air-saturated solution at 25° C.±5° C. is ?600 to ?360 mV based on a standard hydrogen electrode.Type: ApplicationFiled: December 2, 2013Publication date: August 7, 2014Applicant: JFE STEEL CORPORATIONInventors: Hiroki Nakamaru, Seiji Nakajima, Tatsuya Miyoshi, Hiroyuki Masuoka, Shinji Ootsuka
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Publication number: 20140216610Abstract: A hot-pressed member includes a steel sheet, a Ni-diffusion region present in a surface layer of the steel sheet, and an intermetallic compound layer and a ZnO layer which are provided in order on the Ni-diffusion region, the intermetallic compound layer corresponding to a ? phase present in a phase equilibrium diagram of a Zn—Ni alloy, wherein a spontaneous immersion potential indicated in a 0.5 M NaCl aqueous air-saturated solution at 25° C.±5° C. is ?600 to ?360 mV based on a standard hydrogen electrode.Type: ApplicationFiled: December 2, 2013Publication date: August 7, 2014Applicant: JFE STEEL CORPORATIONInventors: Hiroki Nakamaru, Seiji Nakajima, Tatsuya Miyoshi, Hiroyuki Masuoka, Shinji Ootsuka
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Patent number: 8734961Abstract: A Ni-plated steel sheet is provided in which the occurrence of scratches at the time of forming a battery can is suppressed. Also provided is a method which includes a step where a surface of a steel sheet is plated with Ni in a Ni adhesion amount of 0.3-2 ?m, a step where the Ni-plated steel sheet is heated to 600-800° C. to form an Fe?Ni diffusion layer as an outermost surface layer, and a step where the steel sheet is rolled by temper rolling so as to adjust the Fe?Ni diffusion layer so that the steel sheet has the surface roughness Ra of 0.9-2.0 ?m and the surface roughness Ry of 4.0-15 ?m. A Ni-plated steel sheet which includes an Fe?Ni diffusion layer as an outermost surface layer and in which the diffusion layer has the surface roughness Ra of 0.9-2.0 ?m and the surface roughness Ry of 4.0-15 ?m and the diffusion layer has such an Fe/Ni ratio that the Fe accounts for 20-50% in Auger analysis is subjected to drawing using a water-soluble liquid which contains water-soluble emersion as a press lubricant.Type: GrantFiled: May 31, 2010Date of Patent: May 27, 2014Assignee: Toyo Kohan Co., Ltd.Inventors: Shinichi Takematsu, Eiji Okamatsu, Hideyuki Minagi
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Patent number: 8603265Abstract: There are provided an Ni-based alloy high-chrome steel structure and its manufacturing method capable of joining Ni-based alloys and high-chrome steels by welding, and performing suitable heat treatment, thereby maintaining the strength in the joints.Type: GrantFiled: June 11, 2009Date of Patent: December 10, 2013Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Shin Nishimoto, Takashi Nakano, Yoshinori Tanaka, Tatsuaki Fujikawa, Kenji Kawasaki, Yoshikuni Kadoya, Ryuichi Yamamoto, Yuichi Hirakawa, Takashi Shige
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Publication number: 20130271248Abstract: A rare earth sintered magnet as an anisotropic sintered body comprising Nd2Fe14B crystal phase as primary phase and having the composition R1aTbMcSidBe wherein R1 is a rare earth element inclusive of Sc and Y, T is Fe and/or Co, H is Al, Cu, Zn, In, P, S, Ti, V, Cr, Mn, Ni, Ga, Ge, Zr, Nb, Mo, Pd, Ag, Cd, Sn, Sb, Hf, Ta, or W, “a” to “e” are 12?a?17, 0?c?10, 0.3?d?7, 5?e?10, and the balance of b, wherein Dy and/or Tb is diffused into the sintered body from its surface.Type: ApplicationFiled: April 11, 2013Publication date: October 17, 2013Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Hiroaki Nagata, Yuuji Gouki, Kazuaki Sakaki, Tadao Nomura, Koichi Hirota, Hajime Nakamura
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Patent number: 8506731Abstract: A method for coating a hot-rolled or cold-rolled steel flat product, containing 6-30% wt. Mn, with a metallic protective layer by hot-clip coating in a melt bath. The coating, achieved with increased production reliability, is optimised by the steel flat product being subjected to a pickling treatment in which the manganese oxide adhering to the steel flat product is essentially fully removed in the pickling bath before the steel flat product enters the melt bath.Type: GrantFiled: January 21, 2009Date of Patent: August 13, 2013Assignee: ThyssenKrupp Steel Europe AGInventors: Manfred Meurer, Ronny Leuschner, Michael Steinhorst
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Patent number: 8394213Abstract: A method for coating hot-rolled or cold-rolled steel strip containing 6-30 wt %. Mn with a metallic protective layer, includes annealing the steel strip at a temperature of 800-1100° C. under an annealing atmosphere containing nitrogen, water and hydrogen and then subjecting the steel strip to hot dip coating. The method provide an economical way of hot dip coating a high manganiferous sheet steel in that, in order to produce a metallic protective layer substantially free from oxidic sub-layers on the steel strip, the % H2O/% H2 ratio of the water content % H2O to the hydrogen content % H2 in the annealing atmosphere is adjusted as a function of the respective annealing temperature TG as follows: % H2O/% H2?8·10?15·TG3.529.Type: GrantFiled: August 20, 2007Date of Patent: March 12, 2013Assignee: ThyssenKrupp Steel AGInventors: Manfred Meurer, Ronny Leuschner, Harald Hofmann
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Patent number: 8349098Abstract: A process for producing a component from a steel product coated with a protective Al—Si coating, and an intermediate product that arises during the course of such a process and that can be used to produce components of the type concerned here. The steel product coated with the Al—Si coating, undergoes a first heating stage in which the temperature and the duration of the heat treatment are set such that the Al—Si coating is only partially pre-alloyed with Fe from the steel product. Then, the steel product, in a second heating stage, is heated to a heating temperature, above the Ac1 temperature, at which the steel product has an at least partially austenitic structure, wherein the temperature and the duration of the second heating stage are set such that the Al—Si coating is fully alloyed with Fe from the steel product.Type: GrantFiled: January 29, 2009Date of Patent: January 8, 2013Assignee: ThyssenKrupp Steel Europe AGInventors: Friedhelm Macherey, Franz-Josef Lenze, Michael Peters, Manuela Ruthenberg, Sascha Sikora
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Publication number: 20120280485Abstract: Methods for welding a first metal part to a second metal part by a solid state process to form a welded article having at least a welded region are provided herein. The welded region of the weld is post-weld aged by heating it to a set temperature for a set time and compressing the weld.Type: ApplicationFiled: May 3, 2012Publication date: November 8, 2012Inventors: Israel Stol, Stephen Makosey, John Cobes, Daniel Bergstrom
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Publication number: 20120171518Abstract: A Ni-plated steel sheet is provided in which thee occurrence of scratches at the time of forming a battery can is suppressed. Also provided is a method which includes a step where a surface of a steel sheet is plated with Ni in a Ni adhesion amount of 0.3-2 ?m, a step where the Ni-plated steel sheet is heated to 600-800° C. to form an Fe?Ni diffusion layer as an outermost surface layer, and a step where the steel sheet is rolled by temper rolling so as to adjust the Fe?Ni diffusion layer so that the steel sheet has the surface roughness Ra of 0.9-2.0 ?m and the surface roughness Ry of 4.0-15 ?m. A Ni-plated steel sheet which includes an Fe?Ni diffusion layer as an outermost surface layer and in which the diffusion layer has the surface roughness Ra of 0.9-2.0 ?m and the surface roughness Ry of 4.Type: ApplicationFiled: May 31, 2010Publication date: July 5, 2012Inventors: Shinichi Takematsu, Eiji Okamatsu, Hideyuki Minagi
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Publication number: 20120152410Abstract: The invention relates to a method for hot forming of steel parts, in particular blanks or semi-finished products of steel, in which the steel parts are heated in a furnace for at least partial austenitisation to a temperature above the Ac1 temperature and hot formed in a forming tool. The object of providing a method for hot forming of steel parts which allows an energy-efficient performance of the hot forming while at the same time reducing the cycle times for producing a hot formed component, is achieved in that the waste heat from the furnace is used for further heat treatment steps of the steel part before and/or after the at least partial austenitisation of the steel part.Type: ApplicationFiled: January 24, 2012Publication date: June 21, 2012Applicants: GMF Urnformtechnik GmbH, ThyssenKrupp Steel Europe AGInventors: Sascha Sikora, Janko Banik, Siegfried Lösch
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Patent number: 8147984Abstract: The present invention provides an oriented substrate for forming an epitaxial thin film thereon, which has a more excellent orientation than that of a conventional one and a high strength, and a method for manufacturing the same. A clad textured metal substrate for forming the epitaxial thin film thereon according to the present invention comprises a metallic layer and a nickel layer which is bonded to at least one face of the metallic layer, wherein the nickel layer has a {100}<001> cube texture in which a deviating angle ?? of crystal axes satisfies ???7 degrees and has a nickel purity of 99.9% or more. The oriented metal substrate is manufactured by cold-working the nickel sheet having a purity of 99.9% or more, heat-treating it for orientation, and bonding the metal sheet with the oriented nickel sheet by using a surface activated bonding process.Type: GrantFiled: April 11, 2008Date of Patent: April 3, 2012Assignees: Chubu Electric Power Co., Inc., Tanaka Kikinzoku Kogyo K.K.Inventors: Naoji Kashima, Shigeo Nagaya, Kunihiro Shima, Hirofumi Hoshino
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Patent number: 8133332Abstract: A method includes: constructing a multilayer structure including a first layer of Pt, a first layer of A1 phase FePt on the first layer of Pt, and a second layer of Pt on the layer of FePt, and annealing the multilayer structure to convert the A1 phase FePt to L1o phase FePt.Type: GrantFiled: February 12, 2009Date of Patent: March 13, 2012Assignee: Seagate Technology LLCInventors: Jiaoming Qiu, Yonghua Chen, Ganping Ju
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Patent number: 8118989Abstract: Methods are provided for bonding pure rhenium to a substrate comprising a material. Non-lubricated components configured to have friction contact with another component are also provided. In an embodiment, by way of example only, a method includes disposing a eutectic alloy over the substrate to form an inter layer, the eutectic alloy comprised essentially of a base alloy and one or more melting point depressants and having a melting temperature that is lower than a melting temperature of the substrate material and a melting temperature of rhenium, placing pure rhenium over the inter layer, and heating the inter layer to a temperature that is substantially equal to or greater than the melting temperature of the eutectic alloy, but that is below the melting temperature of the substrate material and the melting temperature of the pure rhenium to bond the pure rhenium to the substrate.Type: GrantFiled: August 11, 2011Date of Patent: February 21, 2012Assignee: Honeywell International Inc.Inventors: Don Mittendorf, Scott Sperl
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Patent number: 8070894Abstract: An alloy suitable for coating metal surfaces is provided in which the alloy provides a liquid melt which contains a fraction of dissolved oxide forming additives as deoxidizers. The alloyed combination of elements in the liquid melt resists compound formation thus preserving the chemical activity of the individual elements. In a coating application, the alloy may form a coating that can interact with and remove the oxide or residual oxide coating of the base metal to be coated, i.e., scrub the surface of the metal clean. This results in increased coating bond strength and the ability to bond effectively to normally difficult alloys such as stainless steel, refractory metals (W, Ti, Ta etc.), or aluminum alloys which form protective oxide layers.Type: GrantFiled: February 11, 2004Date of Patent: December 6, 2011Assignee: The NanoSteel Company, Inc.Inventor: Daniel James Branagan
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Publication number: 20110126945Abstract: There are provided an Ni-based alloy high-chrome steel structure and its manufacturing method capable of joining Ni-based alloys and high-chrome steels by welding, and performing suitable heat treatment, thereby maintaining the strength in the joints.Type: ApplicationFiled: June 11, 2009Publication date: June 2, 2011Inventors: Shin Nishimoto, Takashi Nakano, Yoshinori Tanaka, Tatsuaki Fujikawa, Kenji Kawasaki, Yoshikuni Kadoya, Ryuichi Yamamoto, Yuichi Hirakawa, Takashi Shige
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Publication number: 20110094634Abstract: A method for inhibiting growth of tin whiskers is provided. The method includes providing a metal substrate, forming a tin layer to cover the surface of the metal substrate, and treating the metal substrate covered the tin layer by an annealing process, wherein the annealing process is performed at 400° C.-600° C. and the surface of the tin layer is subsequently inhibited from growing tin whiskers.Type: ApplicationFiled: February 9, 2010Publication date: April 28, 2011Applicant: NATIONAL TAIWAN UNIVERSITY OF SCIENCE & TECHNOLOGYInventors: Yee-Wen YEN, Meng-Yu TSOU, Chien-Chung JAO
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Publication number: 20110056594Abstract: A process for producing a component from a steel product coated with a protective Al—Si coating, and an intermediate product that arises during the course of such a process and that can be used to produce components of the type concerned here. The steel product coated with the Al—Si coating, undergoes a first heating stage in which the temperature and the duration of the heat treatment are set such that the Al—Si coating is only partially pre-alloyed with Fe from the steel product. Then, the steel product, in a second heating stage, is heated to a heating temperature, above the Ac1 temperature, at which the steel product has an at least partially austenitic structure, wherein the temperature and the duration of the second heating stage are set such that the Al—Si coating is fully alloyed with Fe from the steel product.Type: ApplicationFiled: January 29, 2009Publication date: March 10, 2011Applicant: THYSSENKRUPP STEEL EUROPE AGInventors: Friedhelm Macherey, Franz-Josef Lenze, Michael Peters, Manuela Ruthenberg, Sascha Sikora
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Publication number: 20110027613Abstract: An Al—Zn—Si—Mg alloy coated strip that has Mg2Si particles in the coating microstructure is disclosed. The distribution of Mg2 Si particles is such that a surface region of the coating has only a small proportion of Mg2Si particles or is at least substantially free of any Mg2Si particles.Type: ApplicationFiled: March 13, 2009Publication date: February 3, 2011Applicant: BLUESCOPE STEEL LIMITEDInventors: Qiyang Liu, Wayne Renshaw, Joe Williams
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Publication number: 20110017361Abstract: A method for coating a hot-rolled or cold-rolled steel flat product, containing 6-30% wt. Mn, with a metallic protective layer by hot-clip coating in a melt bath. The coating, achieved with increased production reliability, is optimised by the steel flat product being subjected to a pickling treatment in which the manganese oxide adhering to the steel flat product is essentially fully removed in the pickling bath before the steel flat product enters the melt bath.Type: ApplicationFiled: January 21, 2009Publication date: January 27, 2011Applicant: THYSSENKRUPP STEEL EUROPE AGInventors: Manfred Meurer, Ronny Leuschner, Michael Steinhorst
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Patent number: 7854809Abstract: A heat treatment process for a component of a turbine engine formed from multiple materials, such as steel and nickel. The heat treatment process includes two stages: a first stage for austinitizing the steel and solutioning the nickel, and a second stage for ageing and tempering the materials. The heat treatment process may include heating a component formed from a steel portion and a nickel portion such that the steel portion austinitizes and the nickel portion undergoes solutioning, cooling the component to prevent the excessive formation of gamma prime ({grave over (y)}), and subjecting the component to a temper heat treatment during which martensite tempering occurs.Type: GrantFiled: April 10, 2007Date of Patent: December 21, 2010Assignee: Siemens Energy, Inc.Inventors: Douglas J. Arrell, Allister W. James
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Publication number: 20100300584Abstract: According to the method, a blank (7) that is severed from strip material (4) of coated, high-strength boron steel is homogeneously heated in a furnace (11) having a plurality of temperature zones (8, 9, 10) first in a 1st zone (8) to a temperature of approximately 830° C. to 950° C. and maintained at this temperature level for a defined time (t). Thereafter, a region (12) of first kind of the blank (7) is cooled down in a 2nd zone (9) of the furnace (11) to a temperature of approximately 550° C. to 700° C. and maintained at this lowered temperature level for a defined time (t1). At the same time, a region (13) of second kind of the blank (7) is maintained in a 3rd zone (10) of the furnace (11) at a temperature level of approximately 830° C. to 950° C. during a time (t2). After this heat treatment, a blank (7) is formed into a shaped component (1) in a thermoforming process.Type: ApplicationFiled: November 3, 2008Publication date: December 2, 2010Applicant: Benteler Automobiltechnik GmbHInventors: Otto Buschsieweke, Stefan Adelbert, Johannes Böke, Markus Pellmann, Jürgen Krogmeier
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Publication number: 20100175794Abstract: The invention relates to a process for producing an active anti-corrosion coating on steel components. In order to develop an active anti-corrosion coating that can be applied on an industrial scale using conventional means (e.g. dipping, spraying or flooding) and is intended for hot-formed and, in particular, press-hardened steel parts provided with antiscaling means, the invention proposes a process comprising the following process steps: a. Using a steel element provided with an antiscaling layer; b. Annealing the steel element at a temperature above 600° C. in an annealing furnace for the purpose of hardening, semi-hot or hot forming or press hardening and thus producing a reaction layer; c. Applying an anti-corrosion coating to the annealed reaction layer.Type: ApplicationFiled: August 12, 2008Publication date: July 15, 2010Inventors: Stefan Sepeur, Stefan Goedicke, Christine Breyer
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Publication number: 20100059146Abstract: The present invention provides, in a ?? phase precipitation strengthening type Ni-base alloy, an alloy excellent in heat treatment capability and weldability and suitable for joint with a ferritic steel. Further, the present invention provides a welded turbine rotor having the strength, ductility, and toughness simultaneously over the whole welded structure when a precipitation strengthening type Ni-base alloy having a heatproof temperature of 675° C. or higher is joined to a ferritic steel. A Ni-base alloy according to the present invention contains cobalt, chromium, aluminum, carbon, boron, and at least either tungsten or molybdenum with the remainder being nickel and inevitable impurities, having an alloy composition including 12 to 25 percent by mass of Co, 10 to 18 percent by mass of Cr, 2.0 to 3.6 percent by mass of Al, 0.01 to 0.15 percent by mass of C, 0.001 to 0.03 percent by mass of B, the total amount of tungsten and molybdenum being 5.0 to 10 percent by mass.Type: ApplicationFiled: September 1, 2009Publication date: March 11, 2010Inventors: Jun Sato, Shinya Imano, Hiroyuki Doi
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Patent number: 7615124Abstract: A process for manufacturing plated-steel armor wires intended for reinforcement of flexible tubular pipes for transporting hydrocarbons, comprising a plating coating is intimately bonded, by high pressure, to a core made of hardenable steel with moderate mechanical properties, and then the plated wire obtained undergoes a rapid high-temperature hardening step followed by a tempering step.Type: GrantFiled: February 28, 2003Date of Patent: November 10, 2009Assignee: Technip FranceInventors: Francois Dupoiron, Philippe Espinasse
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Publication number: 20090236016Abstract: A method for manufacturing a glass molding die includes forming a substrate by hardening a steel material containing 0.3 wt % or more and 2.7 wt % or less of carbon and 13 wt % or less of chromium, and further containing at least one additive selected from 0.5 wt % or more and 3 wt % or less of molybdenum, 0.1 wt % or more and 5 wt % or less of vanadium, and 1 wt % or more and 7 wt % or less of tungsten, and then tempering the steel material at a temperature of 400° C. or higher and 650° C. or lower, forming a surface coating layer composed of an amorphous Ni—P alloy on the surface of the substrate, and heating the surface coating layer thereby rendering the surface coating layer an eutectic structure composed of Ni and Ni3P.Type: ApplicationFiled: May 28, 2009Publication date: September 24, 2009Applicant: TOSHIBA KIKAI KIKAI KABUSHIKI KAISHAInventors: Jun Masuda, Takaharu Tashiro
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Patent number: 7575647Abstract: A fuel tank that is at least partially formed of a corrosion-resistant coated metal that is coated with a corrosion resistant alloy. The corrosion resistant alloy is a tin metal alloy or a tin and zinc metal alloy. The corrosion resistant alloy may also include one or more metal additives to improve the coating process and/or to alter the properties of the tin or tin and zinc metal alloy.Type: GrantFiled: September 27, 2006Date of Patent: August 18, 2009Assignee: The Louis Berkman Co.Inventors: Jay F. Carey, II, Mehrooz Zamanzadeh, Nicholas R. Hesske
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Publication number: 20090199934Abstract: A method of treating an Al/Zn-based alloy coated product that includes an Al/Zn-based alloy coating on a substrate is disclosed. The method includes the steps of rapid intense heating of the alloy coating for a very short duration, and rapid cooling of the alloy coating, and forming a modified crystalline microstructure of the alloy coating.Type: ApplicationFiled: May 24, 2007Publication date: August 13, 2009Applicant: BLUESCOPE STEEL LIMITEDInventors: Qiyang Liu, Ross McDowall Smith, Bryan Andrew Shedden
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Publication number: 20090038718Abstract: A process for manufacturing a containment device including: providing steel slab including (in wt. %) C: 0.05%-0.4%; Si: ?2.0%; Mn: ?2.0%; P: ?0.1%; N: ?200 ppm; remainder iron and inevitable impurities; hot rolling the slab to steel strip after reheating the slab, or utilizing the casting heat by hot-charging the slab, or by direct rolling the slab after casting, followed by cooling the strip to coiling temperature and coiling; cold rolling the strip at between 40 and 95% thickness reduction to form cold-rolled strip; continuous annealing by reheating to temperature above Ac1, homogenising at least 5 seconds, followed by rapid cooling; producing the device. The device has steel at least 10 vol. % martensite and/or bainite and reduced properties of anisotropy. Containment device manufactured by the process and producing isolation barrier material for high temperature and/or pressure sealing for containment devices are also disclosed.Type: ApplicationFiled: October 26, 2005Publication date: February 12, 2009Applicant: HILLE & MÜLLER GMBHInventors: Markus Helmut Maria Dotsch, Ruediger Hartung, Marcel Onink
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Publication number: 20080247898Abstract: A rare earth permanent magnet is prepared by providing a sintered magnet body consisting of 12-17 at % of rare earth, 3-15 at % of B, 0.01-11 at % of metal element, 0.1-4 at % of O, 0.05-3 at % of C, 0.01-1 at % of N, and the balance of Fe, disposing on a surface of the magnet body a powder comprising an oxide, fluoride and/or oxyfluoride of another rare earth, and heat treating the powder-covered magnet body at a temperature below the sintering temperature in vacuum or in an inert gas, for causing the other rare earth to be absorbed in the magnet body.Type: ApplicationFiled: November 16, 2007Publication date: October 9, 2008Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Hajime NAKAMURA, Koichi HIROTA, Takehisa MINOWA