Boride, Carbide Or Nitride Component Patents (Class 428/627)
  • Publication number: 20080044685
    Abstract: This invention discloses novel nanocomposite material structures which are strong, highly conductive, and fatigue-resistant. It also discloses novel fabrication techniques to obtain such structures. The new nanocomposite materials comprise a high-conductivity base metal, such as copper, incorporating high-conductivity dispersoid particles that simultaneously minimize field enhancements, maintain good thermal conductivity, and enhance mechanical strength. The use of metal nanoparticles with electrical conductivity comparable to that of the base automatically removes the regions of higher RF field and enhanced current density. Additionally, conductive nanoparticles will reduce the surface's sensitivity to arc or sputtering damage. If the surface is sputtered away to uncover the nanoparticles, their properties will not be dramatically different from the base surface.
    Type: Application
    Filed: December 23, 2004
    Publication date: February 21, 2008
    Inventor: Sungho Jin
  • Patent number: 7323255
    Abstract: First, a melt of Al or a melt of an Al alloy containing Si is injected in a die filled with SiC powder and cast to form a plate member made of an Al/SiC composite. Next, an Al foil member made of an Al—Mg-based alloy is joined with the surface of the plate member through hot pressing. As a result, part of the Al foil member enters casting blowholes on the surface of the plate member to fill the casting blowholes. In addition, an Al—Mg-based alloy layer is formed on the surface of the plate member. Thus, a base plate having a nearly flat surface is produced.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: January 29, 2008
    Assignee: Kabushiki Kaisha Toyota Jidoshokki
    Inventors: Katsufumi Tanaka, Kyoichi Kinoshita, Tomohei Sugiyama, Eiji Kono
  • Publication number: 20070269676
    Abstract: A wear-resistant article that includes a substrate that presents a surface. The substrate has a bulk region and a surface region beginning at and extending inward from the surface toward the bulk region. There is a diffusion barrier layer on at least a portion of the surface of the substrate wherein the diffusion barrier layer is a nickel-based alloy. There is a wear-resistant cladding layer on the diffusion barrier layer wherein the wear-resistant layer contains boron. The surface region of the substrate contains no boron that has been diffused from the wear-resistant cladding layer.
    Type: Application
    Filed: May 19, 2006
    Publication date: November 22, 2007
    Inventors: Kevin M. Singer, Donald W. Bucholz
  • Patent number: 7261951
    Abstract: With the objectives of alleviating the property of attacking on the mating member by scratching-off of local agglutinates on the sliding contact surface, achieving improved wear resistance, and achieving improved seizure resistance through restraint of frictional heat generation by a hard phase, a copper based sintered contact material contains shock-resistant ceramics in an amount of 0.05 to less than 0.5 wt % as non-metallic particles composed of one or more substances selected from pulverized oxides, carbides and nitrides. The shock-resistant ceramics are comprised of SiO2 and/or two or more substances selected from SiO2, Al2O3, LiO2, TiO2 and MgO.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: August 28, 2007
    Assignee: Komatsu Ltd
    Inventors: Takemori Takayama, Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato
  • Patent number: 7252872
    Abstract: An object of the present invention is to provide a joined structure effective for preventing crack formation after thermal cycles. The joined structure has a ceramic member 1, a metal member 4 to be joined, and a metal fixed member 3 fixed to the ceramic member 1 and having an exposed face 3b exposed along the joining face 1d of the ceramic member 1. A joining layer 7 is provided between the ceramic member 1 and the metal member 4 and between the exposed face 3b of the fixed member 3 and the metal member 4. The joining layer 7 has thicker and thinner portions 7a and 7b. Alternatively, the joining layer 7 has a maximum thickness of 0.15 mm or more.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: August 7, 2007
    Assignee: NGK Insulators, Ltd.
    Inventors: Tomoyuki Fujii, Akiyoshi Hattori
  • Publication number: 20070172694
    Abstract: Disclosed herein is a hard coating film of laminate type which comprises more than one layer of a first kind, which has a composition represented by the formula (1a) below and a thickness of 1 to 80 nm, and more than one layer of a second kind, which has a composition represented by the formula (2a) below and a thickness of 1 to 80 nm, the layers being placed alternately one over another. (Cr(1?a)Ala)(C(1?x)Nx) ??(1a) (Zr(1?k)Hfk)(C(1?y)Ny) ??(2a) where each subscript denotes the atomic ratio specified below. 0.2?a?0.8 0.7?x?1 0?k?1 0.5?y?1 The hard coating film has outstanding high-temperature characteristics.
    Type: Application
    Filed: August 23, 2006
    Publication date: July 26, 2007
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventor: Kenji YAMAMOTO
  • Publication number: 20070172695
    Abstract: A coating which improves the wear performance of a part is described. The coating is applied over an article such as a part or a workpiece using an electroplating process. The coating broadly includes a cobalt material matrix with a hardness of at least 550 HV and a plurality of carbide particles distributed throughout the cobalt material matrix. The cobalt material matrix may be a cobalt-phosphorous alloy. The particles interspersed throughout the matrix may be chrome carbide or silicon carbide particles.
    Type: Application
    Filed: January 16, 2007
    Publication date: July 26, 2007
    Inventors: Aaron T. Nardi, Blair A. Smith
  • Publication number: 20070154731
    Abstract: There are provided sandwich type composite materials comprising a first layer comprising aluminium, titanium, or steel; a foamable core layer comprising aluminium and a foaming agent; and a second layer comprising aluminium, titanium, or steel. The first and second layers can be the same or different. There are also provided processes for preparing such composite materials.
    Type: Application
    Filed: December 29, 2005
    Publication date: July 5, 2007
    Inventor: Serguei Vatchiants
  • Publication number: 20070141383
    Abstract: An exemplary core insert includes a main body having a central protruding portion and a peripheral flange portion surrounding the central protruding portion, and a multilayer film formed on the central protruding portion. The multilayer film comprising a nickel-phosphorus layer formed on the central protruding portion, a chromium layer formed on the nickel-phosphorus layer, a chromium nitride layer formed on the chromium layer, and a diamond-like carbon layer formed on the chromium nitride layer. The core insert has excellent hardness, good corrosion resistance, good wear resistance, high adhesion and long operational lifetime.
    Type: Application
    Filed: September 8, 2006
    Publication date: June 21, 2007
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: GA-LANE CHEN
  • Patent number: 7172821
    Abstract: A coating material has a first layer deposited on a base material and a second layer deposited on the first layer. The first layer is made of a Ni-base alloy or a Co-base alloy containing carbon as an unavoidable impurity. The second layer is made of a hard material containing carbide and a metal component. The first layer serves as a barrier for preventing carbon from being diffused from the second layer into the base material to prevent the base material from being carburized.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: February 6, 2007
    Assignee: Ebara Corporation
    Inventors: Kenichi Sugiyama, Satoshi Kawamura, Shuhei Nakahama, Hirokazu Takayama, Matsuho Miyasaka
  • Patent number: 7166372
    Abstract: The present invention relates to an overlay coating which has improved strength properties. The overlay coating comprises a deposited layer of MCrAlY material containing discrete nitride particles therein. The nitride particles are present in a volume fraction in the range of 0.1% to 15.0% and have a particle size in the range of from 0.1 microns to 10.0 microns. The coating may also have oxide particles dispersed therein.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: January 23, 2007
    Assignee: United Technologies Corporation
    Inventors: Sudhangshu Bose, Daniel A. Bales, Mark T. Ucasz, Merritt W. Wight, Steven M. Burns, Tyrus E. Royal
  • Patent number: 7150920
    Abstract: Metal-carbon composite powders and methods for producing metal-carbon composite powders. The powders have a well-controlled microstructure and morphology and preferably have a small average particle size. The method includes forming the particles from an aerosol of powder precursors. The invention also includes novel devices and products formed from the composite powders.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: December 19, 2006
    Assignee: Cabot Corporation
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, James Caruso, Daniel J. Skamser, Quint H. Powell
  • Patent number: 7138190
    Abstract: Composite which contains reinforcing fibers comprising carbon and whose matrix comprises silicon carbide, silicon and copper, with the mass fraction of copper in the composite being up to 55%, processes for producing it, in particular by liquid infiltration of C/C intermediate bodies with melts comprising Si and/or Cu and Si, and also its use as friction lining in a friction pairing with ceramic brake discs or clutch discs comprising C/SiC.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: November 21, 2006
    Assignee: SGL Carbon AG
    Inventors: Moritz Bauer, Martin Christ, Ronald Huener, Andreas Kienzle, Rainer Zimmermann-Chopin
  • Patent number: 7135240
    Abstract: A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composition in a ratio of 1:7 to 20:1 of solid lubricant to ceramic, the balance a matrix-forming metal alloy selected from Ni, Co, Cu, Fe and Al and combinations and alloys thereof. The solid lubricant is at least one of hexagonal boron nitride, graphite, calcium fluoride, lithium fluoride, magnesium fluoride, barium fluoride, tungsten disulfide and molybdenum disulfide particles. The ceramic includes at least one of albite, illite, quartz and alumina-silica.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: November 14, 2006
    Assignee: Sulzer Metco (Canada) Inc.
    Inventors: Petr Fiala, Anthony Peter Chilkowich, Karel Hajmrle
  • Patent number: 7135220
    Abstract: An article is coated with a multi-layer coating having a bronze color. In a preferred embodiment, the coating comprises a nickel or polymer basecoat layer, and a color and protective stack layer comprised of layers of carbon-rich refractory metal or refractory metal alloy carbonitride alternating with layers of nitrogen-rich refractory metal or refractory metal alloy carbonitride. In another embodiment, the alternating layers of the color stack layer may comprise layers of carbon-rich refractory metal carbides or carbon-rich refractory metal alloy carbides alternating with layers of nitrogen-rich refractory metal nitrides or nitrogen-rich refractory metal alloy nitrides.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: November 14, 2006
    Assignee: Vapor Technologies Inc.
    Inventors: Guocon Chen, Bryce Anton
  • Patent number: 7128979
    Abstract: A circuit board including conductive layers bonded to both surfaces of an insulating ceramic substrate, with a brazing material disposed therebetween. The conductive layers comprise at least 99.98% by mass of aluminum, and display an average crystal grain diameter within a range from 0.5 mm to 5 mm and a standard deviation ? for that crystal grain diameter of no more than 2 mm. Each conductive layer comprises at least 20 ppm of Cu, Fe and Si. The surface area of the crystal with the maximum crystal grain diameter within the conductive layers accounts for no more than 15% of the surface area of the insulating ceramic substrate.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: October 31, 2006
    Assignee: Mitsubishi Materials Corporation
    Inventors: Toshiyuki Nagase, Yoshiyuki Nagatomo
  • Patent number: 7087318
    Abstract: With the objectives of alleviating the property of attacking on the mating member by scratching-off of local agglutinates on the sliding contact surface, achieving improved wear resistance, and achieving improved seizure resistance through restraint of frictional heat generation by a hard phase, a copper based sintered contact material contains shock-resistant ceramics in an amount of 0.05 to less than 0.5 wt % as non-metallic particles composed of one or more substances selected from pulverized oxides, carbides and nitrides. The shock-resistant ceramics are comprised of SiO2 and/or two or more substances selected from SiO2, Al2O3, LiO2, TiO2 and MgO.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: August 8, 2006
    Assignee: Komatsu Ltd.
    Inventors: Takemori Takayama, Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato
  • Patent number: 7081306
    Abstract: A layer of compressive alpha-tantalum is formed on a substrate by depositing a buffer layer on the substrate and depositing a layer of compressive alpha-tantalum on the buffer layer with lattice matching between the layer of compressive alpha-tantalum and the buffer layer. A bias may be applied to the substrate during deposition of the buffer layer and/or compressive alpha-tantalum layer. In some embodiments, the method may include depositing buffers layers comprising titanium, niobium, substantially pure aluminum or aluminum-copper alloy.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: July 25, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Arjang Fartash
  • Patent number: 7078112
    Abstract: A mechanical fuse has further improved and stabilized fatigue limit ratio, and can obtain high reliability under a using condition in which cyclic loading is applied. The mechanical fuse includes a Fe-based sintered alloy that has at least one element of P at 0.15 to 1.5 mass %, Si at 0.4 to 2.0 mass %, and Mn at 1.0 to 4.0 mass %, and the remainder consisting of Fe and inevitable impurities. An iron oxide layer is formed on a pore inner wall and the pores have roundness of 0.004 or more. A method of production therefore is also provided.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: July 18, 2006
    Assignees: Hitachi Powdered Metals Co., Ltd., Denso Corporation
    Inventors: Takashi Suzuki, Tadayuki Tsutsui, Kei Ishii, Yoshihiro Tanimura
  • Patent number: 7077306
    Abstract: A ceramic armor is disclosed in several embodiments. In a first embodiment, a metal base plate has a metal frame assembled on it having a central opening into which the ceramic material is placed. A cover plate is placed over the frame to enclose the ceramic material on all sides. In a second embodiment, the frame has an open central area that has two crossing walls that define four sub-chambers. Four pieces of ceramic material are placed in the respective sub-chambers and a covering plate is placed over it. In a further embodiment, the frame has a plurality of cavities mechanically formed in it. A ceramic tile or plate is placed in each cavity and a cover plate is placed over the frame. The metal used to encapsulate the ceramic material may, if desired, comprise a Titanium alloy such as Ti-6Al-4V, and the ceramic material may comprise Silicon Carbide, Boron Carbide, Tungsten Carbide, Titanium Diboride or Aluminum Nitride.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: July 18, 2006
    Assignee: Cercom, Inc.
    Inventors: Richard John Palicka, Daniel Ashkin
  • Patent number: 7074497
    Abstract: A coated steel sheet having a coated layer on surfaces of a steel sheet of a composition containing not less than 0.1 mass % and under 3 mass % of Al, wherein a following condition A or B is met: A: An AlN precipitate layer exists on a matrix side near an interface between said steel sheet and said coated layer B: Oxide of Al exists in said matrix right under said surfaces of said steel sheet.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: July 11, 2006
    Assignee: JFE Steel Corporation
    Inventors: Yoshitsugu Suzuki, Kazuaki Kyono
  • Patent number: 7056598
    Abstract: With the objectives of alleviating the property of attacking on the mating member by scratching-off of local agglutinates on the sliding contact surface, achieving improved wear resistance, and achieving improved seizure resistance through restraint of frictional heat generation by a hard phase, a copper based sintered contact material contains shock-resistant ceramics in an amount of 0.05 to less than 0.5 wt % as non-metallic particles composed of one or more substances selected from pulverized oxides, carbides and nitrides. The shock-resistant ceramics are comprised of SiO2 and/or two or more substances selected from SiO2, Al2O3, LiO2, TiO2 and MgO.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: June 6, 2006
    Assignee: Komatsu, Ltd.
    Inventors: Takemori Takayama, Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato
  • Patent number: 7052621
    Abstract: A metal hardmask for use with a Dual Damascene process used in the manufacturing of semiconductor devices. The metal hardmask has advantageous translucent characteristics to facilitate alignment between levels while fabricating a semiconductor device and avoids the formation of metal oxide residue deposits. The metal hardmask comprises a first or primary layer of TiN (titanium nitride) and a second or capping layer of TaN (tantalum nitride).
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: May 30, 2006
    Assignees: Infineon Technologies AG, International Business Machines Corporation
    Inventors: Kaushik Kumar, Lawrence Clevenger, Timothy Dalton, Douglas C. La Tulipe, Andy Cowley, Erdem Kaltalioglu, Jochen Schacht, Andrew H. Simon, Mark Hoinkis, Steffen K. Kaldor, Chih-Chao Yang
  • Patent number: 7026057
    Abstract: A new article of manufacture, for example a faucet or other article of hardware, has a specified decorative color, and is resistant to corrosion, abrasion and attack by chemicals. The article includes a substrate, one or more corrosion resistant layers applied to the substrate, a thin transition layer having a composition that varies systematically from a first composition to a second composition and in which the first composition has, at least in part, the function of corrosion protection, and in which the second composition determines the visible color or that portion of the substrate to which the transition layer is applied.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: April 11, 2006
    Assignee: Moen Incorporated
    Inventors: James G. Sheek, Jarek Grembowicz, Inho Song, Timothy J. O'Brien
  • Patent number: 7005195
    Abstract: A material and method for adhering at least two materials that includes the step of interposing at least one intermediate layer between the two materials and associated adhesion material. The materials to be adhered exhibit at least one characteristic dissimilarity and the intermediate material interposed contains at least one shape memory alloy, the shape memory alloy capable of exhibiting superelasticity.
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: February 28, 2006
    Assignees: General Motors Corporation, Michigan State University
    Inventors: Yang-Tse Cheng, Wangyang Ni, Leonid Charles Lev, Michael J. Lukitsch, David S. Grummon, Anita M. Weiner
  • Patent number: 7001675
    Abstract: There is disclosed a method of depositing a nanocomposite coating of stainless steel and a metallic carbide or metallic nitride, e.g. chromium carbide or chromium nitride, onto a stainless steel substrate 10, including the steps of (a) providing the stainless steel substrate 10; (b) depositing stainless steel on the substrate 10; (c) depositing chromium carbide or chromium nitride on the substrate 10; and allowing a nanocomposite coating 14 of the stainless steel and chromium carbide or chromium nitride to form on the substrate 10.
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: February 21, 2006
    Assignee: Winsky Technology Ltd.
    Inventor: Winston Siu Yeung Chan
  • Patent number: 6989213
    Abstract: The invention relates to a metal bipolar plate for a fuel cell, provided with a low-ohmic chemically stable coating. According to the invention, said coating is a multi-phase coating, at least in the region of the contacting outer surface thereof. One phase is a metal phase and/or ? phase belonging thereto and another phase is a compound phase consisting of one or several metals of the metal phase and one of the elements N,O,C,B.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: January 24, 2006
    Assignee: Ballard Power Systems Inc.
    Inventors: Wolfram Kaiser, Detlev Repenning, Richard Spaeh, Joerg Wind
  • Patent number: 6960393
    Abstract: A hybrid film, comprising a first polymer film having a plasma-treated surface and a second polymer film having first and second surfaces, with the first surface of the second polymer film being disposed along the first plasma-treated surface of the first polymer film, has superior thermal and mechanical properties that improve performance in a number of applications, including food packaging, thin film metallized and foil capacitors, metal evaporated magnetic tapes, flexible electrical cables, and decorative and optically variable films. One or more metal layers may be deposited on either the plasma-treated surface of the substrate and/or the radiation-cured acrylate polymer. A ceramic layer may be deposited on the radiation-cured acrylate polymer to provide an oxygen and moisture barrier film.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: November 1, 2005
    Assignee: Sigma Laboratories of Arizona, Inc.
    Inventor: Angelo Yializis
  • Patent number: 6950729
    Abstract: A portable electronic system which obtains power from a dry-electrolyte fuel cell. Water which is produced by the fuel cell is atomized by an ultrasonic transducer, to avoid user inconvenience due to reservoirs or dripping.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: September 27, 2005
    Inventors: Nathan Mitchell, Joseph F. Freiman
  • Patent number: 6936337
    Abstract: There is provided a metal/ceramic circuit board capable of eliminating discrepancy during mounting of parts to improve the reliability of mounting of the parts. The metal/ceramic circuit board has a ceramic substrate 10, and a metal circuit plate (a copper plate 14) bonded to the ceramic substrate 10, the metal circuit plate having a thickness which is more than 0.25 mm and which is less than 0.3 mm, and the metal circuit plate having a skirt spreading length (a dimensional difference between the bottom and top portion of the peripheral edge portion of the metal circuit plate) of less than 50 ?m.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: August 30, 2005
    Assignee: Dowa Mining Co., Ltd.
    Inventors: Nobuyoshi Tsukaguchi, Masami Kimura
  • Patent number: 6929867
    Abstract: Gallium nitride is grown by plasma-assisted molecular-beam epitaxy on (111) and (001) silicon substrates using hafnium nitride buffer layers. Wurtzite GaN epitaxial layers are obtained on both the (111) and (001) HfN/Si surfaces, with crack-free thickness up to 1.2 m. However, growth on the (001) surface results in nearly stress-free films, suggesting that much thicker crack-free layers could be obtained.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: August 16, 2005
    Assignee: The Regents of the University of California
    Inventors: Robert D. Armitage, Eicke R. Weber
  • Patent number: 6881498
    Abstract: A surface processing method and power transmission component includes refining a surface region of a metal from a first roughness to a second roughness less than the first roughness. A solid lubricous coating or a hard coating is then deposited on the surface region. The metal has a surface hardness above 50 Rc to reduce the risk that the metal will deform under the coating and leave the coating unsupported. The surface region of the metal may be transformed into a nitrogen-containing compound or solid solution surface region before the surface refining step and deposition of the coating.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: April 19, 2005
    Assignee: Sikorsky Aircraft Corporation
    Inventors: Clark VanTine Cooper, Harsh Vinayak
  • Patent number: 6881499
    Abstract: A bonded member includes a ceramic base material and a metal member solid-phase bonded via a soldering material. An active metal is placed on a surface of the ceramic base material and the soldering material, which includes Au, is placed on the active metal, and the active metal and the soldering material are heated so as to form a precoat layer. The metal member is placed on the surface of the precoat layer via a barrier layer, which is capable of inhibiting diffusion of a metal constituting the metal member, and the precoat layer and the metal member are pressurized heated so as to be solid-phase bonded. The production method of the bonded member is also disclosed.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: April 19, 2005
    Assignee: NGK Insulators, Ltd.
    Inventors: Masayuki Shinkai, Takahiro Ishikawa, Masahiro Kida
  • Patent number: 6878466
    Abstract: Reliable, flaw-tolerant brittle materials are produced by incorporating layers under residual compression on the surface and throughout the bulk of the material that act to trap and contain the propagation of otherwise catastrophic cracking. The residual compression within these layers acts to reduce the stress intensity of the cracks, thereby causing them to arrest until further loading is provided. This highly desirable stable, subcritical crack growth mode persists with increased loading until the applied stress is large enough to drive the crack completely through compressive region, after which failure occurs. The exact level of stress needed to accomplish this is dictated by the architectural design of the compressive layers such that the material can be designed to have any minimum strength desired, within the limits of the materials system used. This results in a truncation of the strength distribution, such that there is virtually zero probability of failure below this minimum value, i.e.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: April 12, 2005
    Assignee: The Regents of the University of California
    Inventors: Frederick F. Lange, Masa P. Rao, Antonio Javier Sanchez Herencia
  • Patent number: 6855437
    Abstract: The subject of the invention is a layer system for the decorative coating of galvanizable work pieces. In order to have a layer system which meets strict requirements with regard to corrosion resistance and which, at the same time, has a high abrasion resistance and, in addition, provides a high degree of freedom with regard to decorative coloration, the invention proposes a layer system which is formed by galvanic deposition and comprises a base coat consisting of at least one bright layer and one discontinuous chrome layer as well as a cover coat of mechanically resistant materials deposited by the PVD process.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: February 15, 2005
    Assignee: Enthone Inc.
    Inventors: Hiltrud Tolls, Elmar Tolls
  • Patent number: 6849342
    Abstract: The present invention relates to a method of fabrication and a product, which forms a composite body made of metal and a porous ceramic blank, which adjoins the metallic portion and is infiltrated by the metal, wherein a gradient in properties across the composite portion of the composite body is formed by a heat treatment that reduces some of the oxides across the thickness of the porous ceramic blank. In one embodiment, a gradient from substantial chemical reaction to incomplete chemical reaction of the reducible oxides of the blank with the infiltrated metal is formed inside the composite portion.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: February 1, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Otto W. Stenzel, Klaus Czerwinski, Iris Postler, Bernd Reinsch
  • Patent number: 6844085
    Abstract: With the objectives of alleviating the property of attacking on the mating member by scratching-off of local agglutinates on the sliding contact surface, achieving improved wear resistance, and achieving improved seizure resistance through restraint of frictional heat generation by a hard phase, a copper based sintered contact material contains shock-resistant ceramics in an amount of 0.05 to less than 0.5 wt % as non-metallic particles composed of one or more substances selected from pulverized oxides, carbides and nitrides. The shock-resistant ceramics are comprised of SiO2 and/or two or more substances selected from SiO2, Al2O3, LiO2, TiO2 and MgO.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: January 18, 2005
    Inventors: Takemori Takayama, Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato
  • Publication number: 20040258947
    Abstract: The invention relates to a coated object in which coatings remain of a constant and unchanged high quality despite operating temperatures of more than 350° C. This is achieved with interlayers which deliberately interrupt and thereby stabilize the morphology of the coating.
    Type: Application
    Filed: April 21, 2004
    Publication date: December 23, 2004
    Applicant: Schott Glas
    Inventors: Christoph Moelle, Lars Bewig, Frank Koppe, Thomas Kupper, Stefan Geisler, Stefan Bauer, Jurgen Dzick
  • Publication number: 20040258944
    Abstract: An uncoated cutting tool that comprises a body containing a pocket. A polycrystalline cubic boron nitride blank has a cutting tip. The blank is brazed into the pocket using a braze alloy whereby there is a braze joint between the body and the polycrystalline cubic boron nitride blank. The braze alloy has a liquidus temperature of at least about 900 degrees Centigrade wherein the braze alloy is selected from the group comprising a nickel-gold braze alloy containing nickel and gold, a copper-gold braze alloy containing copper and gold, a silver-titanium braze alloy containing silver and titanium, and a silver-palladium braze alloy containing silver and palladium.
    Type: Application
    Filed: June 17, 2003
    Publication date: December 23, 2004
    Applicant: Kennametal Inc.
    Inventors: Edward J. Oles, Alfred S. Gates, Kent L. Reiner, William M. Alexander, Jean-Pierre Genain
  • Publication number: 20040247929
    Abstract: A coating composition that contains at least one degradable coating layer and at least one layer of barrier coating is disclosed. The coating composition can be used to make a coated substrate having improved performance over conventional coated substrates after exposure to heat and certain chemicals like halides such as chlorides, sulfur, salt, chlorine, alkali, and enamels.
    Type: Application
    Filed: April 1, 2004
    Publication date: December 9, 2004
    Inventors: Harry Buhay, James J. Finley, James P. Thiel
  • Patent number: 6828041
    Abstract: The bearing rings 1 and 2 of a rolling bearing is formed of one kind of titanium alloys of &bgr; type titanium alloys, near &bgr; type titanium alloys and &agr;+&bgr; type titanium alloys. The titanium alloy has a surface hardness of Hv 400 or more and less than Hv 600 for increasing the corrosion resistance and wear resistance of the bearing ring. Spherical rolling elements 3 rolling on the raceway surfaces 1a and 2a of the bearing rings 1 and 2 are formed of ceramics such as silicon nitride. When &bgr; type titanium alloys or &agr;+&bgr; type titanium alloys after a solution treatment and applied with an oxidation treatment at a low temperature of 400 to 600° C. are used as the material for the bearing ring, a bearing ring made of titanium alloy suitable to use under a circumstance requiring corrosion resistance is obtained.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: December 7, 2004
    Assignee: NSK Ltd.
    Inventors: Koji Ueda, Hideyuki Uyama, Tsuyoshi Saito
  • Publication number: 20040241445
    Abstract: A particular material comprising an atom other than carbon is carried around or inside the carbon nanohorn.
    Type: Application
    Filed: July 6, 2004
    Publication date: December 2, 2004
    Inventors: Masako Yudasaka, Sumio Iijima, Fumio Kokai, Kunimitsu Takahashi, Daisuke Kasuya
  • Publication number: 20040229073
    Abstract: A coated article is provided that may be heat treated in certain example embodiments. A coating of the coated article includes a zinc oxide inclusive layer located over and contacting a contact layer that is in contact with an infrared (IR) reflecting layer of a material such as silver. It has been found that the use of such a zinc oxide inclusive layer results in improved thermal stability upon heat treatment, increased visible transmission, and/or lower sheet resistance (Rs).
    Type: Application
    Filed: March 11, 2004
    Publication date: November 18, 2004
    Applicants: Centre Luxembourgeois de Recherches pour le Verre et la Ceramique S.A. (C.R.V.C.), Guardian Industries Corp
    Inventors: Anton Dietrich, Philip J. Lingle, Jens-Peter Muller, Jean-Marc Lemmer
  • Publication number: 20040229074
    Abstract: A coated article is provided that may be heat treated in certain example embodiments. A coating of the coated article includes zinc oxide inclusive layer(s) located under infrared (IR) reflecting layer(s) of a material such as silver. In certain example embodiments, coated articles are designed so as to realize higher visible transmission and/or lower sheet resistance values.
    Type: Application
    Filed: March 15, 2004
    Publication date: November 18, 2004
    Inventors: Philip J. Lingle, Anton Dietrich, Jens-Peter Muller
  • Publication number: 20040229072
    Abstract: Nickel base superalloy consisting essentially of, in weight %, about 3% to about 12% Cr, up to about 15% Co, up to about 3% Mo, about 3% to about 10% W, up to about 6% Re, about 5% to about 7% Al, up to about 2% Ti, up to about 1% Fe, up to about 2% Nb, about 3% to about 12% Ta, up to about 0.07% C, about 0.030% to about 0.80% Hf, up to about 0.10% Zr, up to about 0.02% B, up to about 0.050% of an element selected from the group consisting of Y and Lanthanide series elements, and balance Ni and incidental impurities with a S concentration preferably of 2 ppm by weight or less. The nickel base superalloy pursuant to the invention possesses improved high temperature oxidation resistance. The nickel base superalloy as a substrate can be coated with an outwardly grown diffusion aluminide bondcoat followed by deposition of a ceramic thermal barrier coating (TBC) on the bondcoat.
    Type: Application
    Filed: December 11, 2003
    Publication date: November 18, 2004
    Inventor: Kenneth S. Murphy
  • Publication number: 20040208815
    Abstract: A method for treating a semiconductor processing component, including: exposing the component to a halogen gas at an elevated temperature, oxidizing the component to form an oxide layer, and removing the oxide layer
    Type: Application
    Filed: April 21, 2004
    Publication date: October 21, 2004
    Applicant: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Andrew G. Haerle, Richard F. Buckley, Richard R. Hengst
  • Publication number: 20040209110
    Abstract: A beta-phase NiAl overlay coating containing a dispersion of ceramic particles and a process for depositing the overlay coating. If the coating is used to adhere a thermal barrier coating (TBC), the TBC exhibits improved spallation resistance as a result of the dispersion of ceramic particles having a dispersion-strengthening effect on the overlay coating. The overlay coating contains at least one reactive element and is deposited so that the some of the reactive element deposits as the ceramic particles dispersed in the overlay coating.
    Type: Application
    Filed: April 18, 2003
    Publication date: October 21, 2004
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Jeffrey Allan Pfaendtner, Ramgopal Darolia, William Scott Walston, Brett Allen Rohrer Boutwell, Irene Spitsberg, James Anthony Ruud, Joseph David Rigney
  • Publication number: 20040206726
    Abstract: Disclosed is a hardfacing alloy capable of withstanding service abrasion of the order of silicious earth particles and weldable on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial products. The hardfacing alloy has a low coefficient of friction resulting from excellent metal to metal resistance and significant reduction in industrial wear on industrial products, such as casing wear. Other embodiments of the invention include tool joints having the hardbanding alloy welded to the outer cylindrical surface to its box and pin members and to stabilizer ribs on the stabilizer used in earth boring, such as boring for oil and gas, other industrial products, and methods of applying the hardfacing alloy to their surfaces.
    Type: Application
    Filed: April 21, 2003
    Publication date: October 21, 2004
    Inventors: Roger Auguste Daemen, Keith E. Moline
  • Publication number: 20040185291
    Abstract: A material and method for adhering at least two materials that includes the step of interposing at least one intermediate layer between the two materials and associated adhesion material. The materials to be adhered exhibit at least one characteristic dissimilarity and the intermediate material interposed contains at least one shape memory alloy, the shape memory alloy capable of exhibiting superelasticity.
    Type: Application
    Filed: March 21, 2003
    Publication date: September 23, 2004
    Inventors: Yang-Tse Cheng, Wangyang Ni, Leonid Charles Lev, Michael J. Lukitsch, David S. Grummon, Anita Miriam Weiner
  • Patent number: RE39814
    Abstract: The present invention relates to a coated cemented carbide cutting tool particularly for turning applications with high toughness demands, of stainless steels of different compositions and microstructures, and of low and medium alloyed non-stainless steels. The cemented carbide is WC-Co based with a composition of 9-12 wt % Co, 0.2-2.0 wt % cubic carbides from elements from group IVa, Va or VIa of the periodic table and balance WC with a grain size of 1.5-2 ?m. The binder phase is W-alloyed with a CW-ratio in the range of 0.77-0.95. The coating includes a multilayered structure of the composition (TixAl1?x,)N in which x varies repeatedly between the two ranges 0.45<x<0.55 and 0.70<x<0.80, adding up to a total thickness of 2-9 ?m.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: September 4, 2007
    Assignee: Sandvik Intellectual Property AB
    Inventors: Mikael Lindholm, Anders Lenander, Per Lindskog