Chromium Containing Patents (Class 420/583)
  • Publication number: 20150147220
    Abstract: A material for components of a gas turbine, in particular a jet aircraft engine, is disclosed. The material contains an amount of a ferritic phase with Fe and Al and an amount of at least one Laves phase, where the amount of the at least one Laves phase constitutes the largest amount of the material.
    Type: Application
    Filed: November 21, 2014
    Publication date: May 28, 2015
    Applicant: MTU Aero Engines AG
    Inventors: Wilfried SMARSLY, Gerhard SAUTHOFF
  • Publication number: 20140353285
    Abstract: Electrodes for depositing hardfacing alloys containing boron, carbon, chromium, manganese, and silicon on the surface of metal components that are subjected to high thermal and mechanical stresses. The deposited hardfacing alloys have from about 2.5 to about 14.0 atomic weight percent boron and have a hardness on the Rockwell “C” scale of at least about 65 HRC in the first layer of the weld deposit.
    Type: Application
    Filed: May 30, 2013
    Publication date: December 4, 2014
    Applicant: Lincoln Global, Inc.
    Inventors: Daniel J. Langham, Badri K. Narayanan
  • Publication number: 20140224446
    Abstract: The present invention relates to a base material for high temperature alloy and a process for manufacturing the same. The base material includes following components (by weight): 10-45% Cr, 0.5-12% Nb, 0.7-2.5% Ti, ?9.0% Mo, ?8.0% W, ?2% Mn, ?1.0% Si, ?2.0% Al, ?0.5% C, ?0.032% O, ?0.032% N,?0.01% S, ?0.02% P, and balance being Fe and unavoidable impurities. The process for manufacturing the base material for high temperature alloy includes following steps: providing raw materials according to the target composition; charging the raw materials in a crucible uniformly layer and layer according to a certain sequence, smelting in vacuum condition; after the materials being melted completely, holding the melt at a temperature; and casting ingot, and cooling to obtain a base material for high temperature alloy.
    Type: Application
    Filed: January 16, 2014
    Publication date: August 14, 2014
    Applicant: NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD.
    Inventors: XIAOYING SONG, QUANXIN NIE, XUN LIANG, WEIPING XIE, ZHANGJUN BAI, BING ZHAO, MINGYANG LI, DONG MU, LI WANG, PENG WAN
  • Publication number: 20130306019
    Abstract: A surface hardening material being excellent in impact resistance and having abrasion resistance is provided. Provided are: a high-toughness cobalt-based alloy containing 25.0 to 40.0 mass % of Cr, 0.5 to 12.0 mass % of a sum of W and/or Mo, 0.8 to 5.5 mass % of Si, and 0.5 to 2.5 mass % of B, 8.0 mass % or less of each of Fe, Ni, Mn, and Cu, and 0.3 mass % or less of C, the sum amount of Fe, Ni, Mn, and C being 10.0 mass % or less, and the remainder comprising 48.0 to 68.0 mass % of Co and unavoidable impurities; and an engine valve coated with the same.
    Type: Application
    Filed: May 23, 2011
    Publication date: November 21, 2013
    Inventors: Katsunori Otobe, Shinichi Nishimura, Kazunori Kurahashi
  • Publication number: 20130226281
    Abstract: Provided is a Co-based alloy for a living body based on Co—Cr—W—Fe, including a composition of Cr: 5% by mass to 30% by mass, W: 5% by mass to 20% by mass, Fe: 1% by mass to 15% by mass, Co as the remainder, and unavoidable impurities. In this alloy, when the content of W is 5% by mass to 10% by mass, the content of Fe can be set to be in a range of 1% by mass to 5% by mass, and when the content of W is 11% by mass to 20% by mass, the content of Fe can be set to be in a range of 3% by mass to 15% by mass.
    Type: Application
    Filed: February 20, 2013
    Publication date: August 29, 2013
    Applicants: TOHOKU UNIVERSITY, SEIKO INSTRUMENTS INC.
    Inventors: SEIKO INSTRUMENTS INC., TOHOKU UNIVERSITY
  • Patent number: 8506884
    Abstract: A ?? phase strengthened Fe—Ni base superalloy comprising 1.0 to 3.0 wt % of Nb, 10 to 20 wt % of Cr, 30 to 50 wt % of Fe, 1.0 to 2.0 wt % of Ti, 1.0 to 2.0 wt % of Al, 0.02 wt % or less of C, the balance being Ni and inevitable impurities wherein an area of NbC in a cross sectional structure thereof is 0.4% or less. A hydrogen flow meter for high pressure hydrogen that uses the Fe—Ni base superalloy material mentioned above.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: August 13, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Hiroshi Haruyama, Shinya Imano, Terufumi Iwata
  • Publication number: 20130052361
    Abstract: One embodiment provides a composition, comprising: a powder composition comprising alloy that is at least partially amorphous, the alloy comprising chromium, molybdenum, carbon, boron, and iron. One embodiment provides a method of forming a coating, comprising: providing a substrate; and disposing onto the substrate a coating, comprising: powder composition comprising an alloy that is at least partially amorphous, the alloy comprising chromium, molybdenum, carbon, boron, and iron.
    Type: Application
    Filed: March 18, 2011
    Publication date: February 28, 2013
    Inventor: Marcella Wilson Croopnick
  • Publication number: 20120288399
    Abstract: The present invention relates to a high-hardness hardfacing alloy powder, containing: 0.5<C?3.0 mass %, 0.5?Si?5.0 mass %, 10.0?Cr?30.0 mass %, and 16.0<Mo?40.0 mass %, with the balance being Co and unavoidable impurities, wherein a total amount of Mo and Cr satisfies 40.0?Mo+Cr?70.0 mass %. The high-hardness hardfacing alloy powder according to the present invention may further contain at least one element selected from the group consisting of: Ca?0.03 mass %, P?0.03 mass %, Ni?5.0 mass % and Fe?5.0 mass %. The high-hardness hardfacing alloy powder according to the present invention can be employed for build-up welding of a face part of a valve used in various internal combustion engines, automotive engines, steam turbines, heat exchangers, heating furnaces and the like.
    Type: Application
    Filed: May 3, 2012
    Publication date: November 15, 2012
    Applicant: DAIDO STEEL CO., LTD.
    Inventors: Kaoru IMAIZUMI, Shigeki UETA
  • Publication number: 20120244035
    Abstract: A noble alloy suitable for dental purposes that contains cobalt and chromium in addition to ruthenium and optionally gold and/or platinum group elements, and is non-magnetic is provided. In the alloy system cobalt-chromium-ruthenium-gallium it was found that gallium contents above about 10 weight percent may exhibit ferromagnetism upon slow cooling. Ferromagnetism is an undesirable feature for dental prosthesis. Reducing the gallium content below 10%, however, lowers the thermal expansion coefficient of the alloy.
    Type: Application
    Filed: January 12, 2012
    Publication date: September 27, 2012
    Applicant: The Argen Corporation
    Inventors: Paul J. Cascone, Arun Prasad
  • Publication number: 20120093679
    Abstract: 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: Application
    Filed: October 17, 2011
    Publication date: April 19, 2012
    Applicant: BOEHLER EDELSTAHL GMBH & CO. KG
    Inventors: Gert KELLEZI, Devrim CALISKANOGLU, Andreas BAERNTHALER
  • Publication number: 20120058004
    Abstract: Providing a metal mold repair method and a metal mold repair paste agent which are capable of repairing cracks with simple work. A repair paste agent containing components that become an alloy is directly applied to a surface of a metal mold having a crack so as to cover the crack part, subsequently a surface of the repair paste agent is coated with an oxidation inhibitor and the repair paste agent is made to penetrate the inside of the crack by heating and becomes an alloy, thereby filling up the crack.
    Type: Application
    Filed: March 3, 2011
    Publication date: March 8, 2012
    Inventors: Michiharu HASEGAWA, Noriyuki Miyazaki, Masafumi Nakamura, Naoji Yamamoto, Kazuo Ueda
  • Publication number: 20110311390
    Abstract: The invention relates to a steel material composition, in particular for producing piston rings and cylinder sleeves, containing the following elements in the given fractions in relation to 100% by weight of the steel material: 0.5-1.2% by weight C, 6.0-20.0% by weight Cr, 45.0-88.5% by weight Fe, 3.0-15.0% by weight Mn and 2.0-10.0% by weight Si. Said composition can be produced by melting the starting materials and casting the melt in a pre-fabricated mould.
    Type: Application
    Filed: October 12, 2009
    Publication date: December 22, 2011
    Inventor: Laszlo Pelsoeczy
  • Publication number: 20110311391
    Abstract: The invention relates to a steel material composition, in particular for producing piston rings and cylinder sleeves, containing the following elements in the given fractions in relation to 100% by weight of the steel material: 0.5-1.2% by weight C, 2.0-20.0% by weight Cr, 49.0-97.1% by weight Fe, 0.1-3.0% by weight Mn, 0.1-3.0% by weight Mo, 0.-7.0% by weight Nb, 2.0-10.0% by weight Si, 0-7.0% by weight Ti, 0.-7.0% by weight V and 0.-0.5% by weight W, the sum of the fractions of Nb, Ti, V and W being 2.0-7.0% by weight. Said composition can be produced by melting the starting materials and casting the melt in a pre-fabricated mould.
    Type: Application
    Filed: October 13, 2009
    Publication date: December 22, 2011
    Applicant: FEDERAL-MOGUL BURSCHEID GMBH
    Inventor: Laszlo Pelsoeczy
  • Publication number: 20110305591
    Abstract: A low density high ductility alloy for making a golf club head is composed of 31 to 36 w. t. % of Manganese (Mn), 6 to 10 w. t. % of Aluminum (Al), 0.3 to 1 w. t. % of Carbon (C), 4 to 8 w. t. % of Chromium (Cr), 0.2 to 0.6 w. t. % of Silicon (Si), and other component is iron (Fe). The density of the alloy is 6.8˜7 g/cm3. The elongation of the alloy is from 33 to 55.4%. The tensile strength of the alloy is 61 to 67% f/mm2. The yield strength of the alloy is greater than 35 kgf/mm2.
    Type: Application
    Filed: June 15, 2010
    Publication date: December 15, 2011
    Inventors: Yu-Chi WU, Chung-Le YEN
  • Publication number: 20110275033
    Abstract: A nonmagnetic alloy is provided based on a palladium-cobalt binary system with the addition of gold, has a coefficient of thermal expansion (CTE) of about 13.8 to about 15 and may include one or more of the following additive metals: aluminum, boron, chromium, gallium, lithium, rhenium, ruthenium, silicon, tantalum, titanium, and tungsten.
    Type: Application
    Filed: July 12, 2011
    Publication date: November 10, 2011
    Applicant: IVOCLAR VIVADENT, INC.
    Inventors: Tridib Dasgupta, George Tysowsky
  • Patent number: 8012271
    Abstract: The presently described technology relates to a material for components of a gas turbine, in particular for components of a gas turbine aircraft engine, having a matrix of an iron-based alloy material, wherein the matrix of the iron-based alloy material being hardened by means of an intermetallic material of the Laves phase.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: September 6, 2011
    Assignee: MTU Aero Engines GmbH
    Inventors: Wilfried Smarsly, Gerhard Sauthoff
  • Patent number: 8002909
    Abstract: Alloy compositions suitable for fabricating medical devices, such as stents, are disclosed. In certain embodiments, the compositions have small amounts of nickel, e.g., the compositions can be substantially free of nickel.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: August 23, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Charles Horace Craig
  • Publication number: 20110101619
    Abstract: A MCrAlY alloy, methods to produce a MCrAlY layer and a honeycomb seal are provided. The MCrAlY alloy includes chromium, aluminum, yttrium and iron and optionally titanium, hafnium or silicon. The honeycomb seal includes a substrate, honeycomb cells and a protective coating on side walls of the honeycomb cells or a diffusion area inside side walls of the honeycomb cells, the protective coating or the diffusion area including the MCrAlY alloy.
    Type: Application
    Filed: January 23, 2009
    Publication date: May 5, 2011
    Inventors: David Fairbourn, Paul Mathew Walker
  • Publication number: 20110081540
    Abstract: The present invention pertains to wear-resistant components for internal combustion engines, particularly piston rings, that feature a wear protection layer with iron base alloy on their surface that is subjected to wear and are characterized in that the components are manufactured of a coating powder by means of high-velocity flame spraying (HVOF) and the coating is single-phase, wherein the proportions of the elements Fe, Cr, B and C in the wear protection layer are 45-75 wt.-% Fe, 15-40 wt.-% Cr, 1-10 wt.-% B and 0.1-5 wt.-% C. The present invention furthermore pertains to a method for manufacturing wear-resistant components for internal combustion engines, particularly piston rings, according to the present invention.
    Type: Application
    Filed: January 20, 2009
    Publication date: April 7, 2011
    Inventors: Marcus Kennedy, Michael Zinnabold, Marc-Manuel Matz
  • Publication number: 20110059332
    Abstract: Composition containing a MCrAlY, wherein M is selected from the group consisting of cobalt (Co), nickel (Ni), iron (Fe) and mixtures thereof, and germanium in an amount of about 10% by weight or less of germanium. Coated articles coated with the composition are also provided.
    Type: Application
    Filed: September 10, 2009
    Publication date: March 10, 2011
    Inventors: Canan Uslu Hardwicke, Kivilcim Onal Hance, Paul Stephen DiMascio
  • Publication number: 20100230299
    Abstract: The hydrogen storage alloy has, as a main phase thereof, a bcc structure phase having a composition represented by TixCryVzXw wherein 3/2?y/x?3/1, 50?z?75 mol %, 0?w?5 mol %, and x+y+z+w=100 mol %, and X represents any one or more selected from Al, Si, and Fe. The hydrogen storage device is a device using the alloy. The preparation process of a hydrogen storage alloy includes the steps of: melting/casting raw materials mixed to give the composition represented by TixCryVzXw; heat-treating an ingot obtained in the melting/casting step; and subjecting the heat-treated ingot to a hydrogen storing/releasing treatment at least once to activate the ingot.
    Type: Application
    Filed: March 5, 2010
    Publication date: September 16, 2010
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Masakazu Aoki, Shinichi Towata, Tatsuo Noritake, Akio Itoh, Kota Washio, Mamoru Ishikiriyama
  • Publication number: 20100209284
    Abstract: A soft magnetic alloy for perpendicular magnetic recording medium excellent n saturation magnetic flux density, amorphousness and atmospheric corrosion resistance. The alloy is an Fe-Co based alloy and comprises Fe in an amount satisfying 0.25 to 0.65 of Fe/(Fe+Co) ratio, which is an atomic ratio of Fe and Fe+Co; Zr+Hf in an amount of 6 to 100 at %; Na+Ta in an amount of 0 to 2 at %; Al and/or Cr in an amount of 0 to 5 at %; and the balance Co and unavoidable impurities. A part of Zr and/or Hf can be replaced by B, provided that the amount of B to replace Zr and/or Hf is double in at % of the total amount of Zr and Hf to be replaced and that the total amount of Zr and Hf after replacement is 4 at % or more.
    Type: Application
    Filed: May 1, 2008
    Publication date: August 19, 2010
    Applicant: SANYO SPECIAL STEEL CO., LTD.
    Inventors: Toshiyuki Sawada, Akihiko Yanagitani
  • Publication number: 20100104440
    Abstract: The present invention provides a coating material, a method of manufacturing the coating material and a coating method using the coating material that are capable of forming a coating film that retains high abrasion resistance while offering improved oxidation resistance at high temperatures, and also provides a moving blade fitted with a shroud. A coating material is used that comprises not less than 14% by mass and not more than 30% by mass of Mo, not less than 13% by mass and not more than 20% by mass of Cr, and not less than 0.5% by mass and not more than 4% by mass of Si, may further comprise not more than 1.5% by mass of Ni, not more than 1.5% by mass of Fe, and not more than 0.08% by mass of C, and comprises a balance of Co and unavoidable impurities, wherein the material further comprises at least one added component selected from the group consisting of not less than 0.01% by mass and not more than 3% by mass of Y, not less than 0.01% by mass and not more than 10% by mass of Al, and not less than 0.
    Type: Application
    Filed: March 28, 2009
    Publication date: April 29, 2010
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., TSINGHUA UNIVERSITY
    Inventors: Taiji Torigoe, Tomoaki Yunomura, Ikuo Okada, Zhi-Gang Yang
  • Patent number: 7691215
    Abstract: The invention relates to inorganic intermetallic compounds having a PMR effect (combined GMR/CMR effect), which are characterized in that they contain at least two elements per formula unit and have a field sensitivity of less than 10% per 0.1 T at temperatures greater than 290 K. The invention also relates to composites consisting of these compounds, to a method for the production thereof an to their use, in particular, as magnetic field sensors or in the domain of spin electronics.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: April 6, 2010
    Assignee: International Business Machines Corporation
    Inventor: Claudia Felser
  • Publication number: 20100080921
    Abstract: A target material for thermal spraying may include chromium and at least one of about 0.5-12% by weight of aluminum and about 2-15% by weight of manganese.
    Type: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Inventor: M. Brad Beardsley
  • Patent number: 7662740
    Abstract: A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof is at least 35 atomic percent.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: February 16, 2010
    Assignees: Symyx Technologies, Inc., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Konstantinos Chondroudis, Alexander Gorer, Martin Devenney, Ting He, Hiroyuki Oyanagi, Daniel M. Giaquinta, Kenta Urata, Hiroichi Fukuda, Qun Fan, Peter Strasser, Keith James Cendak, Jennifer N. Cendak, legal representative
  • Patent number: 7658883
    Abstract: Novel carbon-plus-nitrogen corrosion-resistant ferrous and austenitic alloys, apparatus incorporating an inventive alloy, and methods of making and using the apparatus are described. The corrosion-resistant ferrous and austenitic alloys comprise no greater than about 4 wt. % nickel, are characterized by a strength greater than about 700 MPa (100 ksi), and, when being essentially free of molybdenum (<0.3 wt. %), have minimum Pitting Resistance Equivalence (PRE) numbers of 20 and minimum Measure of Alloying for Corrosion Resistance numbers (MARC) of 30 because of the use of both carbon and nitrogen. The ferrous and austenitic alloys are particularly formulated for use in oilfield operations, especially sour oil and gas wells and reservoirs. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: February 9, 2010
    Assignee: Schlumberger Technology Corporation
    Inventors: Manuel Marya, Rashmi Bhavsar
  • Publication number: 20100008812
    Abstract: A hard phase forming alloy powder, for forming a hard phase dispersed in a sintered alloy, consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities. A production method, for a wear resistant sintered alloy, includes preparing a matrix forming powder, the hard phase forming alloy powder, and a graphite powder. The production method further includes mixing 15 to 45% of the hard phase forming alloy powder and 0.5 to 1.5% of the graphite powder with the matrix forming powder into a raw powder. The production method further includes compacting the raw powder into a green compact having a predetermined shape and includes sintering the green compact. A wear resistant sintered alloy exhibits a metallic structure in which 15 to 45% of a hard phase is dispersed in a matrix. The hard phase consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities.
    Type: Application
    Filed: June 30, 2009
    Publication date: January 14, 2010
    Applicant: HITACHI POWDERED METALS CO., LTD.
    Inventor: Hideaki Kawata
  • Publication number: 20100003159
    Abstract: The present invention discloses a low-density high-toughness alloy and the fabrication method thereof. The alloy of the present invention consists essentially of: by weight percent, equal to or greater than 23% but lower than or equal to 33% manganese, equal to or greater than 8.1% but lower than or equal to 9.8% aluminum, equal to or greater than 3% but lower than or equal to 5.0% chromium, equal to or greater than 0.6% but lower than or equal to 1.2% carbon, equal to or greater than 0.1% but lower than or equal to 0.24% silicon and the balance of iron. The golf-club head made from the abovementioned alloy can obtain superior elongation, strength, damping capacity, and corrosion resistance even without any heat treatment, or any hot/cold working, such as forging and rolling; therefore, the fabrication cost thereof can be obviously reduced.
    Type: Application
    Filed: July 15, 2009
    Publication date: January 7, 2010
    Inventors: Tzeng-Feng Liu, Jian-Wei Lee
  • Publication number: 20090297396
    Abstract: Provided is a method of manufacturing a part and the part capable of manufacturing a high value-added precision part having a low sintering temperature, a good hardness, and a good productivity at a low cost. The method includes steps of: mixing a material of from 40 to 75 wt % selected from the group consisting of Fe and a combination of Fe and Co, a material of 20 wt % or more selected from the group consisting of W, Mo, Cr, Nb, V, and Ni, a material of from 2 to 14 wt % selected from the group consisting of B, C, Cu, and Si, alloy powder having a composition including unavoidable impurities, and a binder; performing an injection molding on the mixture to form the injection moldings to have a shape of the part; removing the binder from the injection moldings; and sintering the injection moldings from which the binder is removed.
    Type: Application
    Filed: January 30, 2007
    Publication date: December 3, 2009
    Applicants: POHANG UNIVERSITY OF SCIENCE AND TECHNOLOGY, POSTECH Academy-Industry Foundation
    Inventors: Sunghak Lee, Nackjoon Kim, Taeshik Yoon, Changkyu Kim, Changyoung Son, Daejin Ha
  • Patent number: 7601230
    Abstract: Alloy compositions suitable for fabricating medical devices, such as stents, are disclosed. In certain embodiments, the compositions have small amounts of nickel, e.g., the compositions can be substantially free of nickel.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: October 13, 2009
    Assignee: Scimed Life Systems, Inc.
    Inventor: Charles Horace Craig
  • Publication number: 20090202381
    Abstract: The presently described technology relates to a material for components of a gas turbine, in particular for components of a gas turbine aircraft engine, having a matrix of an iron-based alloy material, wherein the matrix of the iron-based alloy material being hardened by means of an intermetallic material of the Laves phase.
    Type: Application
    Filed: December 15, 2006
    Publication date: August 13, 2009
    Inventors: Wilfried Smarsly, Gerhard Sauthoff
  • Publication number: 20090123324
    Abstract: A method and cast wear resistant component made of an alloy that includes carbon, tungsten, chromium, and cobalt with the balance essentially iron and other alloying components made using waste, surplus or worn-out cemented carbide product, such as cemented carbide cutting tool inserts. In one method, the alloy further includes silicon, manganese, nickel, titanium, and molybdenum. In practicing the method, pieces of waste, surplus or worn-out cemented carbide product having tungsten carbide (WC) are added to a cast iron alloy melt. The melt includes enough chromium to control solubility of the WC. In one method, precipitated carbide structure having chromium and carbon is produced with tungsten in the melt being substitutionally dissolved. In one implementation, tungsten is substitutionally dissolved in a lattice of the precipitated carbide structure. Carbide can be added to the melt via super inoculation. The cast wear resistant component can be a cutting tool.
    Type: Application
    Filed: October 22, 2008
    Publication date: May 14, 2009
    Inventors: Carl-Hakan Andersson, Mikael Andersson, Henrik Andersson, Helena Andersson, Anders Nilsson, Jan-Eric Stahl
  • Publication number: 20080199349
    Abstract: Alloy compositions which are resistant to metal dusting corrosion are provided by the present invention. Also provided are methods for preventing metal dusting on metal surfaces exposed to carbon supersaturated environments. The alloy compositions include an alloy (PQR), and a multi-layer oxide film on the surface of the alloy (PQR). The alloy (PQR) includes a metal (P) selected from the group consisting of Fe, Ni, Co, and mixtures thereof, an alloying metal (Q) comprising Cr, Mn, and either Al, Si, or Al/Si, and an alloying element (R). When the alloying metal (Q) includes Al, the multi-layer oxide film on the surface of the alloy includes at least three oxide layers. When the alloying metal (Q) includes Si, the multi-layer oxide film on the surface of the alloy (PQR) includes at least four oxide layers. When the alloying metal (Q) includes Al and Si, the multi-layer oxide film on the surface of the alloy (PQR) includes at least three oxide layers.
    Type: Application
    Filed: February 8, 2008
    Publication date: August 21, 2008
    Inventors: ChangMin Chun, Trikur A. Ramanarayanan
  • Publication number: 20080175749
    Abstract: A ?? phase strengthened Fe—Ni base superalloy comprising 1.0 to 3.0 wt % of Nb, 10 to 20 wt % of Cr, 30 to 50 wt % of Fe, 1.0 to 2.0 wt % of Ti, 1.0 to 2.0 wt % of Al, 0.02 wt % or less of C, the balance being Ni and inevitable impurities wherein an area of NbC in a cross sectional structure thereof is 0.4% or less. A hydrogen flow meter for high pressure hydrogen that uses the Fe—Ni base superalloy material mentioned-above.
    Type: Application
    Filed: December 11, 2007
    Publication date: July 24, 2008
    Inventors: Hiroshi Haruyama, Shinya Imano, Terufumi Iwata
  • Publication number: 20080159905
    Abstract: A controlled combustion synthesis apparatus comprises an ignition system, a pressure sensor for detecting internal pressure, a nitrogen supply, a gas pressure control valve for feeding nitrogen and exhausting reaction gas, means for detecting the internal temperature of the reaction container, a water cooled jacket, and a cooling plate. A temperature control system controls the temperature of the reaction container by controlling the flow of cooling water supplied to the jacket and the cooling plate in response to the detected temperature. By combustion synthesizing, while controlling the internal pressure and temperature, the apparatus can synthesize a silicon alloy including 30-70 wt. % silicon, 10-45 wt. % nitrogen, 1-40 wt. % aluminum, and 1-40 wt % oxygen.
    Type: Application
    Filed: April 19, 2007
    Publication date: July 3, 2008
    Applicant: ISMAN J Corporation
    Inventors: Toshiyuki Watanabe, Masafumi Matsushita, Toshitaka Sakurai, Kazuya Sato, Yoko Matsushita
  • Patent number: 7294214
    Abstract: Alloy compositions suitable for fabricating medical devices, such as stents, are disclosed. In certain embodiments, the compositions have small amounts of nickel, e.g., the compositions can be substantially free of nickel.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: November 13, 2007
    Assignee: Scimed Life Systems, Inc.
    Inventor: Charles Horace Craig
  • Patent number: 6737194
    Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: May 18, 2004
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Stanford R. Ovshinsky, Rosa T. Young, Baoquan Huang
  • Publication number: 20040037733
    Abstract: A hydrogen storage alloy and its production method are disclosed, which has an extremely high effective hydrogen storage capacity in the pressure range from 0.001 to 10 MPa, and a variety of use. The alloy is principally of a body-centered cubic crystal structure, and represented by the compositional formula CraTibVcFedMeXf (M: Al etc.; X: La etc.; 30≦a≦70, 20≦b≦50, 5≦c≦20, 0≦d≦10, 0≦e≦10, and 0≦f≦10, a+b+c+d+e+f=100). The alloy contains 0.005 to 0.150 wt % of O2, and has hydrogen absorption-desorption capability of not less than 2.2% of its weight from 0 to 100° C. and from 0.001 to 10 MPa. The method includes step (a) of melting starting materials for the alloy, deoxidizing step (b) such as step (b1) of blowing Ar into the alloy melt, and casting step (c).
    Type: Application
    Filed: May 13, 2003
    Publication date: February 26, 2004
    Inventor: Yutaka Oka
  • Patent number: 6652991
    Abstract: The addition of small amounts of CeO2 and Cr to intermetallic compositions of NiAl and FeAl improves ductility, thermal stability, thermal shock resistance, and resistance to oxidation, sulphidization and carburization.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: November 25, 2003
    Assignee: The Governors of the University of Alberta
    Inventors: You Wang, Weixing Chen
  • Patent number: 6562293
    Abstract: An article of equipment intended to be submerged in molten zinc and low percentage aluminum/zinc melts, said article containing an alloy material comprised of carbon, chromium, nickel, tungsten, molybdenum, vanadium, niobium (columbium), cobalt, boron, iron and/or zirconium, wherein vanadium is present in an amount sufficient to limit the &ggr;-region.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: May 13, 2003
    Assignee: Alphatech, Inc.
    Inventor: Jorge A. Morando
  • Publication number: 20030051778
    Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.
    Type: Application
    Filed: October 10, 2002
    Publication date: March 20, 2003
    Inventors: Stanford R. Ovshinsky, Rosa T. Young, Baoquan Huang
  • Patent number: 6524405
    Abstract: The present invention is directed to an iron, aluminum, chromium, carbon alloy and a method of producing the same, wherein the alloy has good room temperature ductility, excellent high temperature oxidation resistance and ductility. The alloy includes about 10 to 70 at. % iron, about 10 to 45 at. % aluminum, about 1 to 70 at. % chromium and about 0.9 to 15 at. % carbon. The invention is also directed to a material comprising a body-centered-cubic solid solution of this alloy, and a method for strengthening this material by the precipitation of body-centered-cubic particles within the solid solution, wherein the particles have substantially the same lattice parameters as the underlying solid solution. The ease of processing and excellent mechanical properties exhibited by the alloy, especially at high temperatures, allows it to be used in high temperature structural applications, such as a turbocharger component.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: February 25, 2003
    Inventor: Hui Lin
  • Patent number: 6517970
    Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: February 11, 2003
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Stanford R. Ovshinsky, Rosa T. Young, Baoquan Huang
  • Publication number: 20020179200
    Abstract: A low temperature hydrogen storage alloy which is not pyrophoric upon exposure to ambient atmosphere, particularly even after hydrogen charge/discharge cycling.
    Type: Application
    Filed: June 4, 2001
    Publication date: December 5, 2002
    Inventors: Stanford R. Ovshinsky, Rosa T. Young, Baoquan Huang
  • Patent number: 6485678
    Abstract: A unique iron base alloy for wear resistant applications, characterized in one aspect by its hardening ability when exposed to a certain temperature range, is useful for valve seat insert applications. The alloy also possesses excellent wear resistance, hot hardness and oxidation resistance. The alloy comprises less than 0.1 wt % carbon; about 18 to about 32 wt % molybdenum, about 6 to about 15 wt % chromium, about 1.5 to about 3% silicon, about 8 to about 15 wt % cobalt and at least 40% iron, with less than 0.5 wt % nickel. In another aspect, for lower temperature applications, the cobalt is optional, the nickel content can be up to 14 wt %, but the molybdenum must be in the range of about 29% to about 36%. In one further aspect, for higher temperature applications, the cobalt is optional, but may be used up to 15 wt %, nickel must be used at a level of between about 3 and about 14 wt %, and the molybdenum will be in the range of about 26 to about 36 wt %.
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: November 26, 2002
    Assignee: Winsert Technologies, Inc.
    Inventors: Xuecheng Liang, Gary R. Strong
  • Publication number: 20020141897
    Abstract: In a process for producing a workpiece from a chromium alloy, consisting of: 1 32-37 % by weight chromium, 28-36 % by weight nickel, max. 2 % by weight manganese, max. 0.5 % by weight silicon, max. 0.1 % by weight aluminum, max. 0.03 % by weight carbon, max. 0.025 % by weight phosphorus, max. 0.01 % by weight sulfur, max. 2 % by weight molybdenum, max. 1 % by weight copper, 0.3-0.
    Type: Application
    Filed: March 21, 2002
    Publication date: October 3, 2002
    Inventors: Peter Ernst, Peter Uggowitzer, Hannes Speidel, Markus Speidel
  • Patent number: 6454879
    Abstract: An austenitic, paramagnetic and corrosion-resistant material, particularly in media with high chloride concentrations, the material having high strength, yield strength, and ductility, including carbon, silicon, chromium, manganese, nitrogen, and optionally, nickel, molybdenum, copper, boron, and carbide-forming elements. The material is preferably substantially completely austenitic. A process utilizing alloying technology that includes a deformation and synergistically results in production of a ferrite-free material that is reliably paramagnetic, is corrosion-resistant, and has high yield strength, strength, and ductility. The material can be very beneficially used, for example, in connection with oil field technology, such as for bore rods and drilling string components as well as for precision-forged components, and for high strength attachment and connection elements.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: September 24, 2002
    Assignees: Schoeller-Bleckman Oilfield Technology GmbH & Co. KG, Bohler Edelstahl GmbH & Co. KG
    Inventors: Herbert Aigner, Günter Hochörtler, Josef Bernauer
  • Patent number: 6355212
    Abstract: The invention is directed to anti-corrosive alloys and relates in particular to an alloy containing cobalt, chromium, aluminum, yttrium, silicon, a metal from the second main group, together with the corresponding oxide, in the following proportions: chromium (Cr) 26.0-30%; aluminum (Al) 5.5-13.0%; yttrium (Y) 0.3-1.5%; silicon (Si) 1.5-4.5%; metal from the second main group (magnesium, calcium, barium, strontium) 0.1-2.0%; oxide of the corresponding metal from the second main group 0.1-2.0%; cobalt (Co) remaining percentage. Preferably, tantalum (Ta) is also added in a proportion of 0.5-4.0%, and the remaining percentage of cobalt is replaced by a remaining percentage of Me, Me being understood to mean a metal which may be nickel (Ni) or iron (Fe) or cobalt (Co) or a composition comprising Ni—Fe—Co, Ni—Fe, Ni—Co, Co—Fe.
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: March 12, 2002
    Assignee: Turbocoating SpA
    Inventor: Nelso Antolotti
  • Patent number: 6190465
    Abstract: 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: Grant
    Filed: July 2, 1998
    Date of Patent: February 20, 2001
    Assignee: Imphy Ugine Precision
    Inventors: Lucien Coutu, Laurent Chaput, Thierry Waeckerle