Chromium Base Patents (Class 420/428)
  • Patent number: 9660274
    Abstract: A component, such as a SOFC interconnect, and methods of making the component are provided using various chromium powders, including powder particles with a chromium core covered with an iron shell, a pre-alloyed Cr—Fe powder or a chromium powder produced by hydrogen reduction with hydrogen.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: May 23, 2017
    Assignee: BLOOM ENERGY CORPORATION
    Inventors: Martin Janousek, Shivanand I. Majagi
  • Patent number: 9359655
    Abstract: The invention relates to a pelletizing feed containing chromite ore, at least one nickel salt, and silicon carbide as the only carbonaceous material and the only reducing agent. The invention also relates to process for manufacturing the pelletizing feed comprising the steps providing chromite, at least one nickel salt and silicon carbide, and mixing chromite, at least one nickel salt and silicon carbide. The invention also relates to use of the pelletizing feed as a starting material for the manufacture of sintering feed. The invention also relates to a sintering feed in the form of pellets containing the pelletizing feed. The invention also relates to sintered pellets containing the sintering feed. The invention also relates to process for manufacturing the sintered pellets. The invention also relates to use of the sintered pellets as a component of smelting feed. The invention also relates to smelting feed comprising sintered pellets.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: June 7, 2016
    Assignee: Outotec Oyj
    Inventors: Helge Krogerus, Pasi Mäkelä
  • Publication number: 20150125338
    Abstract: Identifying a stable phase of a binary alloy comprising a solute element and a solvent element. In one example, at least two thermodynamic parameters associated with grain growth and phase separation of the binary alloy are determined, and the stable phase of the binary alloy is identified based on the first thermodynamic parameter and the second thermodynamic parameter, wherein the stable phase is one of a stable nanocrystalline phase, a metastable nanocrystalline phase, and a non-nanocrystalline phase.
    Type: Application
    Filed: March 12, 2012
    Publication date: May 7, 2015
    Inventors: Heather Murdoch, Christopher A. Schuh
  • Publication number: 20150093586
    Abstract: Provided is a high-toughness coating film having excellent wear resistance, in particular, resistance to cracking and peeling. A high-toughness coating film (2) includes a composition containing a mixture of metallic chromium, in which nitrogen is dissolved, and Cr2N. A content of the nitrogen in the high-toughness coating film is 2.0 to 8.5 mass %, and IP, which is expressed by total of each diffraction peak intensity of Cr2N/(total of each diffraction peak intensity of metallic chromium+total of each diffraction peak intensity of Cr2N), is 3 to 40% when 20 is in a range of 30° to 90°, where ? is an incident angle in X-ray diffraction of the high-toughness coating film.
    Type: Application
    Filed: March 16, 2012
    Publication date: April 2, 2015
    Inventors: Kiyoyuki Kawai, Shoji Tanaka
  • Publication number: 20150075065
    Abstract: The invention provides a processing method for upgrading an organic phase substance by removing heavy element species from the organic phase substance originating from a resource substance in mild environmental conditions, and further provides a method for collecting removed heavy element species and a method for collecting other substances.
    Type: Application
    Filed: October 24, 2014
    Publication date: March 19, 2015
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Tooru Nakamura, Yutaka Hayashi, Akira Suzuki, Richard Brommeland, Andrew Myles
  • Publication number: 20150054223
    Abstract: This invention relates to thermal spray coatings, powders useful in deposition of the thermal spray coatings, methods of producing the powders, and uses of the thermal spray coatings, for example, coating of piston rings and cylinder liners of internal combustion engines. The coatings of this invention are applied by thermal spray deposition of a powder. The powder contains bimetallic carbides of chromium and molybdenum dispersed in a matrix metal. The matrix metal contains nickel/chromium/molybdenum.
    Type: Application
    Filed: October 30, 2014
    Publication date: February 26, 2015
    Inventors: WILLIAM JOHN CRIM JAROSINSKI, VLADIMIR BELOV
  • Publication number: 20150013496
    Abstract: The invention relates to a pelletising feed containing chromite ore, at least one nickel salt, and silicon carbide as the only carbonaceous material and the only reducing agent. The invention also relates to process for manufacturing the pelletising feed comprising the steps providing chromite, at least one nickel salt and silicon carbide, and mixing chromite, at least one nickel salt and silicon carbide. The invention also relates to use of the pelletising feed as a starting material for the manufacture of sintering feed. The invention also relates to a sintering feed in the form of pellets containing the pelletising feed. The invention also relates to sintered pellets containing the sintering feed. The invention also relates to process for manufacturing the sintered pellets. The invention also relates to use of the sintered pellets as a component of smelting feed. The invention also relates to smelting feed comprising sintered pellets.
    Type: Application
    Filed: November 15, 2011
    Publication date: January 15, 2015
    Inventors: Helge Krogerus, Pasi Mäkelä
  • Patent number: 8906130
    Abstract: This invention relates to thermal spray coatings, powders useful in deposition of the thermal spray coatings, methods of producing the powders, and uses of the thermal spray coatings, for example, coating of piston rings and cylinder liners of internal combustion engines. The coatings of this invention are applied by thermal spray deposition of a powder. The powder contains bimetallic carbides of chromium and molybdenum dispersed in a matrix metal. The matrix metal contains nickel/chromium/molybdenum.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: December 9, 2014
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: William John Crim Jarosinski, Vladimir Belov
  • Publication number: 20140335328
    Abstract: Provided is a nanowire manufacturing substrate, comprising a grid base layer on a substrate and a grid pattern formed by patterning the grid base layer, the grid pattern being disposed to produce a nanowire on a surface thereof. According to the present invention, the width and height of the nanowire can be adjusted by controlling the wet-etching process time period, and the nanowire can be manufactured at a room temperature at low cost, the nanowire can be mass-manufactured and the nanowire with regularity can be manufactured even in case of mass production.
    Type: Application
    Filed: July 28, 2014
    Publication date: November 13, 2014
    Inventors: Young Jae Lee, Kyoung Jong Yoo, Jun Lee, Jin Su Kim, Jae Wan Park
  • Patent number: 8802151
    Abstract: The instant invention relates to shaped transition metal particles, in particular in the form of a dispersion in an aqueous and/or organic medium, the manufacture thereof and their use as an infrared (IR) absorbing agent, an IR curing agent for coatings, an additive in conductive formulations, an antimicrobial agent or for sensoring organic and/or inorganic compounds. Further, the invention relates to dispersions comprising said shaped particles and an aqueous and/or organic medium, such as a thermoplastic or crosslinkable polymer, as well as to antimicrobial compositions and products.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: August 12, 2014
    Assignee: BASF SE
    Inventors: Nikolay A. Grigorenko, Michael Muehlebach, Florian Muehlebach
  • Patent number: 8685315
    Abstract: A strength-ductility balance at a high temperature above 1000° C., particularly a high temperature above 1050° C. is improved by rendering a chemical composition of Cr-based alloy into Cr: more than 60 mass % but less than 65 mass %, C+N: not more than 20 mass ppm, S: not more than 20 mass ppm, O: not more than 100 mass ppm, O as an oxide: not more than 50 mass ppm, and the remainder being Fe and inevitable impurities.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: April 1, 2014
    Assignee: Japan Science and Technology Agency
    Inventor: Kenji Abiko
  • Patent number: 8557015
    Abstract: In a Cr—Cu alloy that is formed by powder metallurgy and contains a Cu matrix and flattened Cr phases, the Cr content in the Cr—Cu alloy is more than 30% to 80% or less by mass, and the average aspect ratio of the flattened Cr phases is more than 1.0 and less than 100. The Cr—Cu alloy has a small thermal expansion coefficient in in-plane directions, a high thermal conductivity, and excellent processibility. A method for producing the Cr—Cu alloy is also provided. A heat-release plate for semiconductors and a heat-release component for semiconductors, each utilizing the Cr—Cu alloy, are also provided.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: October 15, 2013
    Assignees: JFE Precision Corporation, JFE Steel Corporation
    Inventors: Hoshiaki Terao, Hiroki Ota, Hideaki Kobiki, Aya Uenosono
  • Patent number: 8512630
    Abstract: The present invention relates to pulverulent materials suitable for storing hydrogen, and more particularly to a method of preparing such a material, in which: (A) a composite metallic material having a specific granular structure is prepared by co-melting the following mixtures: a first metallic mixture (m1), which is an alloy (a1) of body-centered cubic crystal structure, based on titanium, vanadium, chromium and/or manganese, or a mixture of these metals in the proportions of the alloy (a1); and a second mixture (m2), which is an alloy (a2), comprising 38 to 42% zirconium, niobium, molybdenum, hafnium, tantalum and/or tungsten and 56 to 60 mol % of nickel and/or copper, or else a mixture of these metals in the proportions of the alloy (a2), with a mass ratio (m2)/(m1+m2) ranging from 0.1 wt % to 20 wt %; and (B) the composite metallic material thus obtained is hydrogenated, whereby the composite material is fragmented (hydrogen decrepitation).
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: August 20, 2013
    Assignee: Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Jean Charbonnier, Patricia De Rango, Daniel Fruchart, Salvatore Miraglia, Sophie Rivoirard, Natalia Skryabina
  • Publication number: 20130121823
    Abstract: A hypereutectic chromium alloy consisting of 9 to 12 at % tantalum, 4 to 15 at % silicon, 0 to 7 at % molybdenum, 0 to 7 at % aluminium, 0 to 7 at % titanium, 0 to 5 at % rhenium, 0 to 2 at % silver, 0 to 2 at % hafnium, 0 to 2 at % lanthanum, 0 to 2 at % cerium, 0 to 2 at % yttrium and the balance chromium and incidental impurities. The hypereutectic chromium alloy has good oxidation resistance and good fracture toughness. The chromium alloy may be used to make gas turbine engine turbine blades, turbine vanes, turbine seals, combustion chamber tiles, exhaust nozzle segments or steam turbine components.
    Type: Application
    Filed: November 16, 2011
    Publication date: May 16, 2013
    Applicant: ROLLS-ROYCE PLC
    Inventors: Ayan BHOWMIK, Howard J. STONE, Ian M. EDMONDS
  • Patent number: 8440112
    Abstract: Atomized Cu—Cr alloy powder, 20 to 30 percent by weight of Thermite Cr powder and 5 percent by weight of electrolytic Cu powder are mixed together and undergo solid phase sintering treatment to form an electrode material for vacuum circuit breakers. The gross content of Cr of the electrode material is 30 to 50 percent by weight. In manufacturing the electrode material for vacuum circuit breakers, such powders are mixed together and then undergo compression molding to be formed into a compressed compact. The compressed compact is performed solid phase sintering at a temperature lower than the melting point of Cu in a non-oxidizing atmosphere to prepare a solid phase sintered body.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: May 14, 2013
    Assignee: Meiden T&D Corporation
    Inventors: Yasushi Noda, Hiromasa Sato
  • Patent number: 8425836
    Abstract: A hypereutectic chromium alloy consisting of 9 to 12 at % tantalum, 4 to 15 at % silicon, 0 to 7 at % molybdenum, 0 to 7 at % aluminum, 0 to 7 at % titanium, 0 to 5 at % rhenium, 0 to 2 at % silver, 0 to 2 at % hafnium, 0 to 2 at % lanthanum, 0 to 2 at % cerium, 0 to 2 at % yttrium and the balance chromium and incidental impurities. The hypereutectic chromium alloy has good oxidation resistance and good fracture toughness. The chromium alloy may be used to make gas turbine engine turbine blades, turbine vanes, turbine seals, combustion chamber tiles, exhaust nozzle segments or steam turbine components.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: April 23, 2013
    Assignee: Rolls-Royce PLC
    Inventors: Ayan Bhowmik, Howard J. Stone, Ian M. Edmonds
  • Patent number: 8349248
    Abstract: A metallic material is made from at least one refractory metal or an alloy based on at least one refractory metal. The metallic material has an oxygen content of about 1,000 to about 30,000 ?g/g and the oxygen is interstitial.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: January 8, 2013
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Jens Trotzschel, Bernd Spaniol
  • Publication number: 20120283336
    Abstract: The instant invention relates to shaped transition metal particles, in particular in the form of a dispersion in an aqueous and/or organic medium, the manufacture thereof and their use as an infrared (IR) absorbing agent, an IR curing agent for coatings, an additive in conductive formulations, an antimicrobial agent or for sensoring organic and/or inorganic compounds. Further, the invention relates to dispersions comprising said shaped particles and an aqueous and/or organic medium, such as a thermoplastic or crosslinkable polymer, as well as to antimicrobial compositions and products.
    Type: Application
    Filed: March 17, 2010
    Publication date: November 8, 2012
    Applicant: BASF SE
    Inventors: Nikolay A. Grigorenko, Andreas Muehlebach, Michael Muehlebach, Florian Muehlebach
  • Publication number: 20120247271
    Abstract: A filter cake, including a first metal in an insoluble form and/or filtrate comprising Cr in a soluble form, obtained by a method involving filtering an aqueous slurry of a metal-bearing raw source material comprising the first metal in an insoluble form, soluble and/or insoluble Cr in a Cr bearing material as a second metal, and organic and inorganic compounds, after adjusting the pH of the slurry to an alkaline pH sufficient to convert soluble Cr present to an insoluble form and selectively leaching the Cr by adding a leaching agent in an amount sufficient to convert Cr to a soluble form while the first metal remains in the slurry in an insoluble form.
    Type: Application
    Filed: April 24, 2012
    Publication date: October 4, 2012
    Inventors: Peter T. HALPIN, Ulrich R. SCHLEGEL, Dale L. SCHNECK
  • Patent number: 8247085
    Abstract: Coatings suitable for use as protective oxide-forming coatings on Nb-based substrates exposed to high temperatures and oxidative environments. The coatings contain chromium and/or molybdenum, preferably contains silicon, and optionally contains niobium, titanium, hafnium, iron, rhenium, tantalum, and/or tungsten, which in combination form multiple intermetallic phases, which in combination form one or more intermetallic phases that promote the formation of a slow-growing oxide scale. Depending on the particular coating composition, the intermetallic phases may be: a silicon-modified Cr2Nb Laves phase and optionally a chromium solid solution phase, a CrNbSi intermetallic phase, and/or an M3Si intermetallic phase where M is niobium, titanium, and/or chromium; or M5Si3, MSi2 and/or M3Si2 where M is molybdenum, niobium, titanium, chromium, hafnium, iron, rhenium, tantalum, and/or tungsten.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: August 21, 2012
    Assignee: General Electric Company
    Inventors: Bernard Patrick Bewlay, Pazhayannur Ramanathan Subramanian, Joseph David Rigney, Richard DiDomizio, Voramon Supatarawanich Dheeradhada
  • Publication number: 20120148436
    Abstract: Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.
    Type: Application
    Filed: November 4, 2011
    Publication date: June 14, 2012
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • Publication number: 20120120561
    Abstract: The hinge in accordance with the present invention is made with a metal injection molding process from an alloy having at least: from 4 to 32 wt % Mn, from 16 to 37 wt % Cr and Fe that fills up the rest percentage.
    Type: Application
    Filed: November 17, 2010
    Publication date: May 17, 2012
    Applicant: SHIN ZU SHING CO., LTD.
    Inventors: Yu-Chi LU, Yu-Chan HSIEH, SHUN-TIAN LIN
  • Publication number: 20110306508
    Abstract: The presence of mycotoxins in agricultural products necessitates large scale testing of a wide range of sample material to ensure the safety of food and feed. The mycotoxin ochratoxin A represents an enablement for all mycotoxins as the level of sensitivity necessary for regulatory requirements for this compound at the part per billion level are as low or lower than any other mycotoxin. This invention describes the identification of a set of DNA ligands with sufficiently high binding affinity and specificity for ochratoxin A to enable an improvement over existing methods for the separation, concentration and quantitative determination of ochratoxin A in sample material.
    Type: Application
    Filed: January 9, 2009
    Publication date: December 15, 2011
    Inventors: Gregory Allen Penner, Jorge Andres Cruz-Aguado
  • Publication number: 20110254230
    Abstract: This invention relates to thermal spray coatings, powders useful in deposition of the thermal spray coatings, methods of producing the powders, and uses of the thermal spray coatings, for example, coating of piston rings and cylinder liners of internal combustion engines. The coatings of this invention are applied by thermal spray deposition of a powder. The powder contains bimetallic carbides of chromium and molybdenum dispersed in a matrix metal. The matrix metal contains nickel/chromium/molybdenum.
    Type: Application
    Filed: April 19, 2010
    Publication date: October 20, 2011
    Inventors: WILLIAM JOHN CRIM JAROSINSKI, VLADIMIR BELOV
  • Publication number: 20110176988
    Abstract: The ammonia decomposition catalyst of the present invention is a catalyst for decomposing ammonia into nitrogen and hydrogen, including a catalytically active component containing at least one kind of transition metal selected from the group consisting of molybdenum, tungsten, vanadium, chromium, manganese, iron, cobalt, and nickel, preferably including: (I) a catalytically active component containing: at least one kind selected from the group consisting of molybdenum, tungsten, and vanadium; (II) a catalytically active component containing a nitride of at least one kind of transition metal selected from the group consisting of molybdenum, tungsten, vanadium, chromium, manganese, iron, cobalt, and nickel; or (III) a catalytically active component containing at least one kind of iron group metal selected from the group consisting of iron, cobalt, and nickel, and at least one metal oxide, thereby making it possible to effectively decompose ammonia into nitrogen and hydrogen at relatively low temperatures and at
    Type: Application
    Filed: September 17, 2009
    Publication date: July 21, 2011
    Inventors: Junji Okamura, Masaru Kirishiki, Masanori Yoshimune, Hideaki Tsuneki
  • Patent number: 7955448
    Abstract: It is an object to provide an inexpensive alloy for heat dissipation having a small thermal expansion coefficient as known composite materials, a large thermal conductivity as pure copper, and excellent machinability and a method for manufacturing the alloy. In particular, since various shapes are required of the alloy for heat dissipation, a manufacturing method by using a powder metallurgy method capable of supplying alloys for heat dissipation, the manufacturing costs of which are low and which take on various shapes, is provided besides the known melting method. The alloy according to the present invention is a Cu—Cr alloy, which is composed of 0.3 percent by mass or more, and 80 percent by mass or less of Cr and the remainder of Cu and incidental impurities and which has a structure in which particulate Cr phases having a major axis of 100 nm or less and an aspect ratio of less than 10 are precipitated at a density of 20 particles/?m2 in a Cu matrix except Cr phases of more than 100 nm.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: June 7, 2011
    Assignees: JFE Precision Corporation, JFE Steel Corporation
    Inventors: Hoshiaki Terao, Hideaki Kobiki, Satoshi Uenosono
  • Patent number: 7910512
    Abstract: To provide a production process of an electrode catalyst for fuel cell whose initial voltage is high and whose endurance characteristics, especially, whose voltage drop being caused by high-potential application is less. A production process according to the present invention of an electrode catalyst for fuel cell is characterized in that: it includes: a dispersing step of dispersing a conductive support in a solution; a loading step of dropping a platinum-salt solution, a base-metal-salt solution and an iridium-salt solution to the resulting dispersion liquid, thereby loading respective metallic salts on the conductive support as hydroxides under an alkaline condition; and an alloying step of heating the conductive support with metallic hydroxides loaded in a reducing atmosphere to reduce them, thereby alloying them.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: March 22, 2011
    Assignee: Cataler Corporation
    Inventors: Hiroaki Takahashi, Sozaburo Ohashi, Tetsuo Kawamura, Yousuke Horiuchi, Toshiharu Tabata, Tomoaki Terada, Takahiro Nagata, Susumu Enomoto
  • Publication number: 20100278686
    Abstract: A method for selectively recovering a metal from mined ore and other metal-bearing raw source materials is disclosed.
    Type: Application
    Filed: April 29, 2010
    Publication date: November 4, 2010
    Inventors: Peter T. HALPIN, Ulrich R. Schlegel, Dale L. Schneck
  • 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
  • Publication number: 20090317281
    Abstract: This invention provides a method for atomic transformations carried out under conditions akin to chemical catalysis. Liquid and solid state catalysts are used in a two-step process. We have found that the high ionic/electric activity of concentrated sodium hydroxide solution in combination with heating is sufficient to induce atomic transformation and provide a solid phase catalyst of high aluminum and silicon content. This product when heated at a temperature of 1000° C. yields numerous elements of higher atomic masses.
    Type: Application
    Filed: June 18, 2008
    Publication date: December 24, 2009
    Inventor: Peter Grandics
  • Publication number: 20090222079
    Abstract: A medical device includes an alloy having chromium, niobium, and platinum, wherein the alloy forms at least a portion of the medical device.
    Type: Application
    Filed: April 23, 2009
    Publication date: September 3, 2009
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventor: Jonathan S. Stinson
  • Publication number: 20090181183
    Abstract: A metal nanoparticle composition includes a thermally decomposable or UV decomposable stabilizer. A method of forming conductive features on a substrate, includes providing a solution containing metal nanoparticles with a stabilizer; and liquid depositing the solution onto the substrate, wherein during the deposition or following the deposition of the solution onto the substrate, decomposing and removing the stabilizer, by thermal treatment or by UV treatment, at a temperature below about 180° C. to form conductive features on the substrate.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 16, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yuning LI, Yiliang WU, Hualong PAN, Ping LIU, Paul F. SMITH, Hadi K. MAHABADI
  • Patent number: 7553381
    Abstract: A metal film according to the present invention has a cubic crystal structure having a periodic pattern of crystal orientation in a plane. The crystal orientation is gradually rotated about a particular crystal-axis direction such that a {100} plane, a {110} plane, and a {111} plane appear.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: June 30, 2009
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akemi Ishizaki, Isao Kimura, Mitsuru Otsuka
  • Patent number: 7540997
    Abstract: A medical device includes an alloy having chromium, niobium, and platinum, wherein the alloy forms at least a portion of the medical device.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: June 2, 2009
    Assignee: Boston Scientific SciMed, Inc.
    Inventor: Jonathan S. Stinson
  • Publication number: 20090068055
    Abstract: A powder metallurgy method of making a chromium base alloy includes blending a first powder comprising a chromium powder and a second powder comprising at least one of titanium, titanium hydride, zirconium or zirconium hydride, annealing the first powder and the second powder in a reducing atmosphere after the step of mixing, compacting a blend of the first and the second powders, and sintering the compacted blend to form a chromium base alloy. The chromium alloy may be used as an interconnect for a solid oxide fuel cell, and includes least one of iron or nickel greater than zero and equal to or less than 7 weight percent, yttria greater than zero and equal to or less than 2 weight percent, at least one of titanium or zirconium greater than zero and equal to or less than 1 weight percent and at least 90 weight percent chromium.
    Type: Application
    Filed: September 7, 2007
    Publication date: March 12, 2009
    Inventors: Sudhakara Sarma Sreedhara, Ranganathan Sundaresan
  • Publication number: 20090034203
    Abstract: In a Cr—Cu alloy that is formed by powder metallurgy and contains a Cu matrix and flattened Cr phases, the Cr content in the Cr—Cu alloy is more than 30% to 80% or less by mass, and the average aspect ratio of the flattened Cr phases is more than 1.0 and less than 100. The Cr—Cu alloy has a small thermal expansion coefficient in in-plane directions, a high thermal conductivity, and excellent processability. A method for producing the Cr—Cu alloy is also provided. A heat-release plate for semiconductors and a heat-release component for semiconductors, each utilizing the Cr—Cu alloy, are also provided.
    Type: Application
    Filed: February 14, 2007
    Publication date: February 5, 2009
    Applicants: JFE Precision Corporation, a corporation of Japan, JFE Steel Corporation, a corporation of Japan
    Inventors: Hoshiaki Terao, Hiroki Ota, Hideaki Kobiki, Satoshi Uenosono, Aya Uenosono
  • Publication number: 20090035852
    Abstract: Stable atomic quantum clusters, AQCs, characterized by being composed of at least 500 metal atoms, its production process characterized by having a kinetic control and by maintaining a low concentration of reagents in the reaction medium, as well as the uses of these clusters as sensors (fluorescent, magnetic or chemical), electrocatalysts and as cytostatics and/or cytotoxics.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 5, 2009
    Applicant: UNIVERSIDADE DE SANTIAGO DE COMPOSTELA
    Inventors: Manuel Arturo Lopez Quintela, Jose Rivas Rey
  • Publication number: 20080274010
    Abstract: This invention relates to alloys and wear resistant alloy powders useful for deposition through thermal spray devices. The alloys comprise from about 20 to 65 weight percent chromium, about 20 to 65 weight percent molybdenum, about 0.5 to 3 weight percent carbon, and about 10 to 45 weight percent nickel. The wear resistant alloy powders are useful for forming coatings having the same composition.
    Type: Application
    Filed: May 26, 2005
    Publication date: November 6, 2008
    Inventors: William J. C. Jarosinski, Lewis B. Temples
  • Patent number: 7390456
    Abstract: Highly dense shaped parts are produced with a powder metallurgic process. The parts are formed of an alloy that, besides of at least 20 weight % chromium, consists of iron and one or several additional alloy portions that in sum do not amount to more than 10 weight %. The part is produced by pressing and sintering to near final shape a ready-to-press powder where the additional alloy portions are introduced in form of a master-alloy powder. The master-alloy may contain the following variations: the additional alloy portions and the iron portions; or the additional alloy portions, the iron parts, and the chromium portions; or additional alloy portions and the chromium portions.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: June 24, 2008
    Assignee: Plansee Aktiengesellschaft
    Inventors: Wolfgang Glatz, Martin Janousek, Wolfgang Kraussler, Gebhard Zobl, Reinhold Zach
  • Patent number: 7381369
    Abstract: Provided is free cutting alloy excellent in machinability, preserving various characteristics as alloy. The free cutting alloy contains: one or more of Ti and Zr as a metal element component; and C being an indispensable element as a bonding component with the metal element component, wherein a (Ti,Zr) based compound including one or more of S, Se and Te is formed in a matrix metal phase. The free cutting alloy is more excellent in machinability, preserving various characteristics as alloy at similar levels to a conventional case. The effect is especially conspicuous, for example, when a compound expressed in a chemical form of (Ti,Zr)4C2(S,Se,Te)2 as the (Ti,Zr) based compound is formed at least in a dispersed state in the alloy structure.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: June 3, 2008
    Assignees: Daido Tokushuko Kabushiki Kaisha, Tohoku Tokushuko Kabushiki Kaisha, Japan Industrial Technology Association, Tohoku Technoarch Co., Ltd.
    Inventors: Kiyohito Ishida, Katsunari Oikawa, Takashi Ebata, Tetsuya Shimizu, Michio Okabe
  • Publication number: 20080124241
    Abstract: A chromium-base alloy characterized by containing titanium within a range from 0.002 t0 1.5 mass %, with the balance comprising chromium and inevitable impurities, and being produced by melting or casting only. A chromium-base alloy that can be obtained by melting only, has room temperature ductility and a good workability, and has excellent high temperature strength and oxidation resistance even at a high temperature of about 1300° C., as well as a production process therefor are provided.
    Type: Application
    Filed: January 11, 2006
    Publication date: May 29, 2008
    Inventors: Yuefeng Gu, Hiroshi Harada, Yoshikazu Ro, Eisuke Bannai
  • Publication number: 20080091267
    Abstract: Medical devices, such as endoprostheses, and methods of making the devices are disclosed. The endoprostheses comprise a tubular member capable of maintaining patency of a bodily vessel. The tubular member includes a mixture of at least two compositions, where the presence of the second composition gives the mixture a greater hardness than that of the first composition alone. The first composition includes less than about 25 weight percent chromium, less than about 7 weight percent molybdenum, from about 10 to about 35 weight percent nickel, and iron. The second composition is different from the first and is present from about 0.1 weight percent to about 5 weight percent of the mixture.
    Type: Application
    Filed: March 29, 2007
    Publication date: April 17, 2008
    Inventors: Jonathan S. Stinson, Matthew Cambronne, Richard B. Frank, Richard A. Gleixner, James E. Heilmann
  • Publication number: 20080038147
    Abstract: A metal film according to the present invention has a cubic crystal structure having a periodic pattern of crystal orientation in a plane. The crystal orientation is gradually rotated about a particular crystal-axis direction such that a {100} plane, a {110} plane, and a {111} plane appear.
    Type: Application
    Filed: August 7, 2007
    Publication date: February 14, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akemi Ishizaki, Isao Kimura, Mitsuru Otsuka
  • Patent number: 7229510
    Abstract: A manganese alloy sputtering target characterized in that oxygen is 1000 ppm or less, sulfur is 200 ppm or less and a forged texture is provided, and a method for producing a forged manganese alloy target stably by eliminating the drawbacks of manganese alloy that it is susceptible to cracking and has a low rupture strength. A manganese alloy sputtering target which can form a thin film exhibiting high characteristics and high corrosion resistance while suppressing generation of nodules or particles is thereby obtained.
    Type: Grant
    Filed: February 18, 2002
    Date of Patent: June 12, 2007
    Assignee: Nippon Mining & Metals, Co., Ltd.
    Inventor: Yuichiro Nakamura
  • Patent number: 7175721
    Abstract: The invention relates to a method for producing high-performance Cr—Ti—V hydrogen storage alloys utilizing a thermit process, whereby residence of adversely affecting impurities is inhibited, addition of not less than 10 at % of Ti as an alloy component is realized, and thermal burden on the crucible used in the method is reduced. The method includes the steps of: (A) providing an alloy material (1) comprising a Cr oxide, a V oxide, and a reducing agent Al, and an alloy material (2) comprising Ti; (B) placing the alloy materials in a crucible for thermit reduction so that the alloy material (1) is placed above the alloy material (2); (C) igniting the alloy material (1) placed in step (B) and melting all metal elements contained in the alloy materials the with heat of the thermit reaction of the alloy material (1); and (D) making the alloy melt obtained in step (C) into an alloy.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: February 13, 2007
    Assignee: Santoku Corporation
    Inventors: Hiroaki Takata, Yutaka Oka, Junichi Nakagawa, Akira Neoda
  • Patent number: 7108757
    Abstract: A reversible hydrogen storage alloy capable of storing large amounts of hydrogen and delivering reversibly large amounts of hydrogen at temperatures ranging from 0° C. up to 40° C. The hydrogen storage alloy is generally composed of titanium, vanadium, and chromium. The alloy may further include manganese. Modifier elements such as zirconium, iron, nickel, molybdenum, ruthenium, and/or cobalt, and scavenger elements such as misch metal, calcium, and/or magnesium may be included in the alloy to improve performance.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: September 19, 2006
    Assignee: Ovonic Hydrogen Systems LLC
    Inventors: Baoquan Huang, Stanford R. Ovshinsky
  • Patent number: 7094493
    Abstract: A method for absorbing and releasing hydrogen comprises applying repeatedly hydrogen pressurization and depressurization to a hydrogen storage metal alloy of a body-centered cubic structure-type phase exerting a two-stage or inclined plateau characteristic in a hydrogen storage amount vs hydrogen pressure relation in an appropriate fashion to absorb and release hydrogen. At least at one stage during the release of hydrogen, the temperature (T2) of the above-mentioned hydrogen storage metal alloy is made higher than the temperature (T1) of the hydrogen storage metal alloy during the hydrogen absorption process (T2>T1). This enables the release and utilization of occluded hydrogen at a low-pressure plateau region or an inclined plateau lower region.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: August 22, 2006
    Assignees: Tohoku Techno Arch Co., Ltd., Dowa Mining Co., Ltd.
    Inventors: Masuo Okada, Takahiro Kuriiwa
  • Patent number: 7037467
    Abstract: A strength-ductility balance at a high temperature above 1000° C., particularly a high temperature above 1050° C. is improved by rendering a chemical composition of Cr-based alloy into Cr: not less than 60 mass %, C+N: not more than 20 mass ppm, S: not more than 20 mass ppm, O: not more than 100 mass ppm, O as an oxide: not more than 50 mass ppm, and the remainder being Fe and inevitable impurities.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: May 2, 2006
    Assignee: Japan Science and Technology Agency
    Inventor: Kenji Abiko
  • Patent number: 6964693
    Abstract: A method for forming dendritic metal powders, comprising the steps of: (1) heating a powder comprising non-dendritic particles, under conditions suitable for initial stage sintering, to form a lightly sintered material; and (2) breaking the lightly sintered material to form a powder comprising dendritic particles. In one embodiment, the lightly sintered material is broken by brushing the material through a screen. Another aspect of the present invention comprises the dendritic particles that are produced by the method described above. These particles can comprise any suitable metal, such as transition metals, rare earth metals, main group metals or metalloids or an alloy of two or more such metals. The particles can also comprise a ceramic material, such as a metal oxide. These particles are characterized by a dendritic, highly anisotropic, morphology arising from the fusion of substantially non-dendritic particles, and by a low apparent density relative to the substantially non-dendritic starting material.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: November 15, 2005
    Assignee: Mykrolis Corporation
    Inventors: Robert S. Zeller, Christopher J. Vroman