Silicon Containing Patents (Class 420/546)
  • Patent number: 10138796
    Abstract: Provided is a ferritic stainless steel having excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, wherein the ferritic stainless steel is capable of being manufactured in an economically advantageous manner without adding expensive alloying elements. The ferritic stainless steel includes, by weight %, C: greater than 0 and 0.01% or less, Cr: 9 to 13%, Si: 0.5 to 1.0%, Mn: greater than 0 and 0.5% or less, P: greater than 0 and 0.035% or less, S: greater than 0 and 0.01% or less, Ti: 0.15 to 0.5%, N: greater than 0 and 0.01% or less, Sn: 0.05 to 0.5%, and the remainder is Fe and inevitable impurities, wherein Sn concentrated at the surface part of the stainless steel is 10 times or more than Sn concentrated at the base part.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: November 27, 2018
    Assignee: POSCO
    Inventors: Han Jin Ryu, Gi Sun Tae, Hyung Gu Kang, Hun Jae Ha
  • Publication number: 20150101382
    Abstract: The present disclosure provides improved processes and compositions for continuously casting aluminum alloys. The resulting aluminum alloy sheet is useful for container body stock.
    Type: Application
    Filed: November 4, 2013
    Publication date: April 16, 2015
    Applicant: Golden Aluminum, Inc.
    Inventor: Mark Selepack
  • Publication number: 20150050520
    Abstract: An aluminum alloy material contains Si: 1.0 mass % to 5.0 mass % and Fe: 0.01 mass % to 2.0 mass % with balance being Al and inevitable impurities, wherein 250 pcs/mm2 or more to 7×105 pcs/mm2 or less of Si-based intermetallic compound particles having equivalent circle diameters of 0.5 to 5 ?m are present in a cross-section of the aluminum alloy material, while 100 pcs/mm2 to 7×105 pcs/mm2 of Al-based intermetallic compound particles having equivalent circle diameters of 0.5 to 5 ?m are present in a cross-section of the aluminum alloy material. An aluminum alloy structure is manufactured by bonding two or more members in vacuum or a non-oxidizing atmosphere at temperature at which a ratio of a mass of a liquid phase generated in the aluminum alloy material to a total mass of the aluminum alloy material is 5% or more and 35% or less.
    Type: Application
    Filed: October 1, 2012
    Publication date: February 19, 2015
    Inventors: Akio Niikura, Kazuko Fujita, Takashi Murase, Yoshiyuki Oya, Tomohito Kurosaki
  • Patent number: 8940406
    Abstract: The present invention relates to an automotive clad sheet product comprising a core layer and at least one clad layer wherein the core comprises an alloy of the following composition in weight %: Mg 0.45-0.8, Si 0.45-0.7, Cu 0.05-0.25, Mn 0.05-0.2, Fe up to 0.35, other elements (or impurities) <0.05 each and <0.15 in total, balance aluminum; and the at least one clad layer comprises an alloy of the following composition in weight %: Mg 0.3-0.7, Si 0.3-0.7, Mn up to 0.15, Fe up to 0.35, other elements (impurities) <0.05 each and <0.15 in total, balance aluminum. The clad automotive sheet product provides excellent hemmabtlity which does not substantially change over time and yet also provides a good age-hardening response after bake hardening.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: January 27, 2015
    Assignee: Novelis Inc.
    Inventors: Juergen Timm, Corrado Bassi
  • Publication number: 20140308155
    Abstract: An efficient polishing method for polishing an alloy material to have an excellent mirror surface is provided. The alloy material contains a main component and 0.1% by mass or more of an element that has a Vickers hardness (HV) different from the Vickers hardness of the main component by 5 or more. A polishing composition used in the polishing method contains abrasive grains and an oxidant. The alloy material is preferably an aluminum alloy, a titanium alloy, a stainless steel, a nickel alloy, or a copper alloy. It is also preferable that the alloy material is subjected to preliminary polishing before being subjected to polishing in which the polishing composition is used.
    Type: Application
    Filed: November 19, 2012
    Publication date: October 16, 2014
    Inventors: Hitoshi Morinaga, Hiroshi Asano, Maiko Asai, Shogo Tsubota, Kazusei Tamai
  • Publication number: 20140261907
    Abstract: Copper-free aluminum alloys suitable for high pressure die casting and capable of age-hardening under elevated temperatures are provided. The allow includes about 9.5-13 wt % silicon, about 0.2 to 0.6 wt % Magnesium, about 0.1 to 2 wt % iron, about 0.1 to 2 wt % manganese, about 0.1 to 1 wt % nickel, about 0.5 to 3 wt % zinc, and 0 to 0.1 wt % strontium, with a balance of aluminum. Methods for making high pressure die castings and castings manufactured from the alloy are also provided.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: GM Global Technology Operations LLC
    Inventors: Qigui Wang, Wenying Yang, Jason R. Traub
  • Publication number: 20140234161
    Abstract: Disclosed is an aluminum alloy for die casting which comprises 1.0 weight % to 2.0 weight % of magnesium (Mg), 0.5 weight % to 1.6 weight % of iron (Fe), and 0.5 weight % to 0.9 weight % of silicon (Si), with the remainder being aluminum (Al) and inevitable impurities.
    Type: Application
    Filed: October 9, 2012
    Publication date: August 21, 2014
    Inventors: Ki Tae Kim, Je Sik Shin, Se Hyun Ko
  • Publication number: 20140225042
    Abstract: A flexible conductive material and a cable using the same, being resistant to one million times or more of dynamic driving and particularly suitable for wiring robots or automobiles. An average crystal grain size of crystal grains 20 forming a metal texture of a base material is 2 ?m or less, in which the crystal grains 20 being 1 ?tm or less are included at least 20% or more in a cross sectional ratio. Also, it is preferable to include 0.1 mass % to 20 mass % of nanoparticles 22.
    Type: Application
    Filed: June 27, 2012
    Publication date: August 14, 2014
    Applicants: DYDEN CORPORATION, NAT'L UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, FUKUOKA PREFECTURAL GOVERNMENT
    Inventors: Hiroyuki In, Fumiyo Annou, Daisuke Matsunaga, Hiromoto Kitahara, Shinji Ando, Masayuki Tsushida, Toshifumi Ogawa
  • Publication number: 20140199205
    Abstract: Provided are an aluminum alloy and a production method thereof. In accordance with an embodiment, an aluminum-based mother material is melted to form a molten metal. An additive including silicon oxide is added to the molten metal. At least a portion of the silicon oxide is exhausted in the molten metal. The molten metal is cast.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 17, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang Kim, Young-Ok Yoon, Jeong-Ho Seo
  • Publication number: 20140117001
    Abstract: A composition for welding or brazing aluminum comprises silicon (Si) and magnesium (Mg) along with aluminum in an alloy suitable for use in welding and brazing. The Si content may vary between approximately 4.7 and 10.9 wt %, and the Mg content may vary between approximately 0.15 wt % and 0.50 wt %. The alloy is well suited for operations in which little or no dilution from the base metal affects the Si and/or Mg content of the filler metal. The Si content promotes fluidity and avoids stress concentrations and cracking. The Mg content provides enhanced strength. Resulting joints may have a strength at least equal to that of the base metal with little or no dilution (e.g., draw of Mg). The joints may be both heat treated and artificially aged or naturally aged.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 1, 2014
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventor: Bruce Edward Anderson
  • Publication number: 20140086790
    Abstract: Provided are an aluminum alloy improving mechanical characteristics by allowing a magnesium-silicon compound to be distributed in an aluminum matrix without performing a heat treatment, and a production method thereof. In accordance with an aspect of the present disclosure, there is provided a method of producing an aluminum alloy, including: melting a magnesium mother alloy including a magnesium-silicon compound, and aluminum to form a molten metal; and casting the molten metal.
    Type: Application
    Filed: May 16, 2012
    Publication date: March 27, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Se-Kwang Kim, Young-Ok Yoon, Jeong-Ho Seo
  • Publication number: 20140017115
    Abstract: An aluminum alloy that can be cast into structural components wherein the alloy has reduced casting porosity, improved combination of mechanical properties including tensile strength, fatigue, ductility in the cast condition and in the heat treated condition.
    Type: Application
    Filed: July 10, 2012
    Publication date: January 16, 2014
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Qigui Wang, Hengcheng Liao
  • Publication number: 20140003993
    Abstract: This aluminum alloy sheet has increased BH properties under low-temperature short-time-period conditions after long-term room-temperature aging by means of causing aggregates of specific atoms to be contained having a large effect in BH properties, the distance between atoms being no greater than a set distance, and containing either Mg atoms or Si atoms measured by 3D atom probe field ion microscopy in a 6000 aluminum alloy sheet containing a specific amount of Mg and Si.
    Type: Application
    Filed: March 13, 2012
    Publication date: January 2, 2014
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Katsushi Matsumoto, Yasuhiro Aruga, Hidemasa Tsuneishi
  • Patent number: 8574774
    Abstract: There is provided a negative electrode comprising an aluminum alloy, wherein the alloy has a magnesium content of 0.0001% by weight or higher and 8% by weight or lower, the alloy satisfies at least one condition selected from the group consisting of the following (A) and (B): (A) an iron content is 0.0001% by weight or higher and 0.03% by weight or lower, and (B) a silicon content is 0.0001% by weight or higher and 0.02% by weight or lower, and a content of each element other than aluminum, magnesium, silicon and iron in the alloy is 0.005% by weight or lower.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: November 5, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takitaro Yamaguchi, Hitoshi Yasuda
  • Publication number: 20130022493
    Abstract: An aluminum alloy bearing includes dispersed Si particles amounting to 1.0 to 10.0 weight % of Si. In such aluminum alloy bearing, relative diffraction intensity of (111) plane of the Si particles is equal to or greater than 0.6.
    Type: Application
    Filed: March 3, 2011
    Publication date: January 24, 2013
    Applicant: DAIDO METAL COMPANY LTD.
    Inventors: Moritaka Fukuda, Tomoyuki Nirasawa, Yukihiko Kagohara, Shigeru Inami
  • Publication number: 20130004364
    Abstract: An Al-based bearing alloy includes 1 to 15 mass % of Si. In the Al-based bearing alloy, an average of A/a is greater than 1 and equal to or less than 4, where A represents a distance between adjacent Si particles residing on a sliding-side surface, and a represents a length of a major axis of the Si particles.
    Type: Application
    Filed: March 3, 2011
    Publication date: January 3, 2013
    Applicant: DAIDO METAL COMPANY LTD.
    Inventors: Moritaka Fukuda, Tomoyuki Nirasawa, Yukihiko Kagohara, Shigero Inami
  • Publication number: 20120328963
    Abstract: There is provided a negative electrode comprising an aluminum alloy, wherein the alloy has a magnesium content of 0.0001% by weight or higher and 8% by weight or lower, the alloy satisfies at least one condition selected from the group consisting of the following (A) and (B): (A) an iron content is 0.0001% by weight or higher and 0.03% by weight or lower, and (B) a silicon content is 0.0001% by weight or higher and 0.02% by weight or lower, and a content of each element other than aluminum, magnesium, silicon and iron in the alloy is 0.005% by weight or lower.
    Type: Application
    Filed: February 18, 2011
    Publication date: December 27, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takitaro Yamaguchi, Hitoshi Yasuda
  • Publication number: 20120328471
    Abstract: An aluminum alloy conductor, containing: 0.4 to 1.5 mass % of Fe, 0.1 to 0.3 mass % of Mg, and 0.04 to 0.3 mass % of Si, with the balance being Al and inevitable impurities, wherein the conductor contains three kinds of intermetallic compounds A, B, and C, in which the intermetallic compounds A, B and C have a particle size of 0.1 ?m or more but 2 ?m or less, 0.03 ?m or more but less than 0.1 ?m, and 0.001 ?m or more but less than 0.03 ?m, respectively, and area ratios a, b and c of the intermetallic compounds A, B and C, in an arbitrary region in the conductor, satisfy: 1%?a?9%, 1%?b?6%, and 1%?c?10%.
    Type: Application
    Filed: August 24, 2012
    Publication date: December 27, 2012
    Inventors: Shigeki SEKIYA, Kyota Susai
  • Publication number: 20120195789
    Abstract: The present invention relates magnesium-aluminum based alloys having a small grain size and to a method of their production. The alloys are particularly useful in casting applications. The alloys comprise a grain refiner, the grain refiner having the chemical formula: Mg100-x-y-zAlxCyRz wherein R is an element selected from the group consisting of silicon, calcium, strontium or a rare earth element, x is from 10 to 60 At. %, y is from 5 to 50 At. %, and z is from 0 to 20 At. %, provided that x+y+z is less than 100 At. %.
    Type: Application
    Filed: January 18, 2012
    Publication date: August 2, 2012
    Applicant: Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH
    Inventors: Yuanding Huang, Qiuming Peng, Norbert Hort, Karl U. Kainer
  • Publication number: 20120171427
    Abstract: The present invention relates to an aluminum die base material for a stamper having a component composition that contains 0.5% by weight to 3.0% by weight of Mg, the total amount of elements other than Mg, including unavoidable impurities, is 500 ppm or less, and the remainder is composed of Al, and a forged structure in which the average crystal grain size is 1000 ?m or less and the surface area ratio of second phase particles is 0.10% or less. According to the present application, a stamper can be provided in which, together with the crystal grain size of the aluminum being refined, the formation of second phase particles is inhibited, surface irregularities attributable to mirrored surface polishing are reduced, and a uniform relief pattern is formed by anodic oxidation treatment.
    Type: Application
    Filed: September 10, 2010
    Publication date: July 5, 2012
    Inventors: Hiroaki Kita, Kota Shirai, Hisakazu Ito
  • Publication number: 20120164021
    Abstract: A cold-hardening aluminium casting alloy with good thermal stability for the production of thermally and mechanically stressed cast components, wherein the alloy includes from 11.0 to 12.0 wt % silicon from 0.7 to 2.0 wt % magnesium from 0.1 to 1 wt % manganese less than or equal to 1 wt % iron less than or equal to 2 wt % copper less than or equal to 2 wt % nickel less than or equal to 1 wt % chromium less than or equal to 1 wt % cobalt less than or equal to 2 wt % zinc less than or equal to 0.25 wt % titanium 40 ppm boron optionally from 80 to 300 ppm strontium and aluminium as the remainder with further elements and impurities due to production individually at most 0.05 wt %, in total at most 0.2 wt %. The alloy is suitable in particular for the production of cylinder crank cases by the die-casting method.
    Type: Application
    Filed: May 20, 2008
    Publication date: June 28, 2012
    Applicant: ALUMINIUM RHEINFELDEN GMBH
    Inventors: Dan Dragulin, Rudiger Franke
  • Publication number: 20120148444
    Abstract: There is provided an aluminum alloy casting consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn and the balance being Al and unavoidable impurities, or consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn, 0.3 to 1.0 mass % of Cu and the balance being Al and unavoidable impurities, and containing eutectic Si grains having an aspect ratio of 2.0 or smaller and an average grain size of 1.0 micrometer or smaller. There is also provided an automotive part formed with the aluminum alloy casting and a production method of the aluminum alloy casting.
    Type: Application
    Filed: July 27, 2010
    Publication date: June 14, 2012
    Inventors: Yusuke Nagaishi, Shigeyuki Nakagawa, Koji Itakura, Haruyasu Katto, Satoru Suzuki
  • Publication number: 20120093682
    Abstract: Various illustrative embodiments of a free-machining aluminum alloy composition and related methods are provided. The aluminum alloy composition can include an aluminum alloy and an effective amount of a graphitic material as a free-machining constituent. Free-machining means the graphitic material is capable of modifying the machining character of the aluminum alloy by affecting the generation of chip-shaped machining debris and/or the friction between the machining tool and the workpiece.
    Type: Application
    Filed: October 18, 2011
    Publication date: April 19, 2012
    Applicant: Aloca, Inc.
    Inventor: J. Daniel Bryant
  • Publication number: 20120085470
    Abstract: The invention includes the hot thermo-mechanical processing of heat-treatable aluminum alloys comprising preparation of the billet material, heating the billet to obtain the temperature for solution treatment, holding the billet at this temperature a sufficient amount of time required for the dissolution of soluble elements, cooling the billet to the temperature necessary for plastic deformation with essential preservation of the solid solution, plastic deformation, immediate quenching of the billet after plastic deformation, and then billet aging at the corresponding temperature and time. Additional plastic deformation may be used between stages of quenching and aging. An embodiment specifies cooling rate, forging temperature and strain rate.
    Type: Application
    Filed: September 16, 2011
    Publication date: April 12, 2012
    Applicant: ENGINEERED PERFORMANCE MATERIALS COMPANY, LLC
    Inventor: Vladimir M. Segal
  • Patent number: 8147625
    Abstract: Aluminum alloy containing Mg and Si, in particular useful for extrusion purposes containing in wt %: Mg 0.3-0.5 Si 0.35-0.6? Mn 0.02-0.08 Cr 0.05 Zn 0.15 Cu 0.1? Fe 0.08-0.28 and in addition grain refining elements up to 0.1 wt % and incidental impurities up to 0.15 wt %. The manganese (Mn), within the specified limits, has an additional positive effect on the extrudability of an AlMgSi alloy. In addition to promoting the transformation of the AlFeSi intermetallic phases, AlMnFeSi dispersoid particles are formed during homogenization. These particles are acting as nucleation sites for Mg2Si particles during cooling after homogenization. In a high quality billet the Mg2Si particles formed during cooling after homogenization should easily dissolve during the preheating and the extrusion operation before the material reach the die opening.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: April 3, 2012
    Assignee: Norsk Hydro ASA
    Inventors: Oddvin Reiso, Jostein Røyset, Jan Anders Sæter, Ulf Tundal, Gunnar Gjertsen
  • Patent number: 8105530
    Abstract: A reinforced aluminum alloy with high electric and thermal conductivity of the present invention has the weight percentage below: Mg 0.61˜0.65%, Si 0.4˜0.45%, rare earth elements 0.21˜0.3%, B 0.03˜0.10% and the balances essentially Al and unavoidable impurities. The reinforced aluminum alloy enhanced the containing of Mg and Si elements compared to the conventional aluminum alloy such as 6063, and controlled the containing of the Mg and Si in a certain relatively narrower range so as to control the desired quality of the aluminum alloy. At the same time, a Ce of the rare earth elements and B element are added into the aluminum alloy and completely solid melted the added alloys to the aluminum alloy. It is not only remaining the strength of the aluminum alloy, but also increasing the electric and thermal conductivity.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: January 31, 2012
    Inventor: Zhou Cai
  • Patent number: 8088234
    Abstract: An AA2000-series alloy including 2 to 5.5% Cu, 0.5 to 2% Mg, at most 1% Mn, Fe <0.25%, Si >0.10 to 0.35%, and a method of manufacturing these aluminum alloy products. More particularly, disclosed are aluminum wrought products in relatively thick gauges, i.e. about 30 to 300 mm thick. While typically practiced on rolled plate product forms, this method may also find use with manufacturing extrusions or forged product shapes. Representative structural component parts made from the alloy product include integral spar members, and the like, which are machined from thick wrought sections, including rolled plate.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: January 3, 2012
    Assignee: Aleris Aluminum Koblenz GmbH
    Inventors: Sunil Khosla, Andrew Norman, Hugo Van Schoonevelt
  • Patent number: 8083871
    Abstract: The present invention provides a casting having increased crashworthiness including an aluminum alloy of about 6.0 wt % to about 8.0 wt % Si; about 0.12 wt % to about 0.25 wt % Mg; less than or equal to about 0.35 wt % Cu; less than or equal to about 4.0 wt % Zn; less than or equal to about 0.6 wt % Mn; and less than or equal to about 0.15 wt % Fe, wherein the cast body is treated to a T5 or T6 temper and has a tensile strength ranging from 100 MPa to 180 MPa and has a critical fracture strain greater than 10%. The present invention further provides a method of forming a casting having increased crashworthiness.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: December 27, 2011
    Assignee: Automotive Casting Technology, Inc.
    Inventors: Jen C. Lin, Moustapha Mbaye, Jan Ove Löland, Russell S. Long, Xinyan Yan
  • Publication number: 20110290381
    Abstract: The invention relates to an aluminium alloy for the production of lithographic printing plate supports and also to an aluminium strip produced from the aluminium alloy, a process for the production of the aluminium strip and also its use for the production of lithographic printing plate supports. The object of providing an aluminium alloy as well as an aluminium strip from an aluminium alloy that permits the production of printing plate supports having improved bending-strength fatigue transverse to the rolling direction without adversely affecting the tensile strength values before and after the annealing process and while preserving the roughening properties, is achieved by the fact that the aluminium alloy contains the following alloy components in weight per cent: 0.4%<Fe?1.0%, 0.3%<Mg?1.0%, 0.05%?Si?0.25%, Mn?0.25%, Cu?0.04%, Ti?0.1%, the remainder being Al and unavoidable impurities, individually at most 0.05% and totaling at most 0.05%.
    Type: Application
    Filed: May 20, 2011
    Publication date: December 1, 2011
    Applicant: HYDRO ALUMINIUM DEUTSCHLAND GMBH
    Inventors: Bernhard Kernig, Jochen Hasenclever, Henk-Jan Brinkman, Gerd Steinhoff, Christoph Settele
  • Publication number: 20110268604
    Abstract: A reinforced aluminum alloy with high electric and thermal conductivity of the present invention has the weight percentage below: Mg 0.61˜0.65%, Si 0.4˜0.45%, rare earth elements 0.21˜0.3%, B 0.03˜0.10% and the balances essentially Al and unavoidable impurities. The reinforced aluminum alloy enhanced the containing of Mg and Si elements compared to the conventional aluminum alloy such as 6063, and controlled the containing of the Mg and Si in a certain relatively narrower range so as to control the desired quality of the aluminum alloy. At the same time, a Ce of the rare earth elements and B element are added into the aluminum alloy and completely solid melted the added alloys to the aluminum alloy. It is not only remaining the strength of the aluminum alloy, but also increasing the electric and thermal conductivity.
    Type: Application
    Filed: July 1, 2011
    Publication date: November 3, 2011
    Inventor: Zhou Cai
  • Publication number: 20110194973
    Abstract: A composition for welding or brazing aluminum comprises silicon (Si) and magnesium (Mg) along with aluminum in an alloy suitable for use in welding and brazing. The Si content may vary between approximately 4.7 and 10.9 wt %, and the Mg content may vary between approximately 0.15 wt % and 0.50 wt %. The alloy is well suited for operations in which little or no dilution from the base metal affects the Si and/or Mg content of the filler metal. The Si content promotes fluidity and avoids stress concentrations and cracking. The Mg content provides enhanced strength. Resulting joints may have a strength at least equal to that of the base metal with little or no dilution (e.g., draw of Mg). The joints may be both heat treated and artificially aged or naturally aged.
    Type: Application
    Filed: February 8, 2011
    Publication date: August 11, 2011
    Applicant: Illinois Tool Works Inc.
    Inventor: Bruce Edward Anderson
  • Publication number: 20110132504
    Abstract: An aluminum alloy casting material for heat conduction obtained by adding Si to an aluminum alloy casting material with enhanced castability thereby realize enhancement of thermal conductivity. There is provided an aluminum alloy casting material excelling in heat conduction. characterized in that it comprises 5 to 10.0 mass % of Si, 0.1 to 0.5 mass % of Mg and the balance of Al and unavoidable impurities, the aluminum alloy casting material having undergone an aging treatment. Further, there is provided a cast aluminum alloy casting material that while having castability and mechanical strength equivalent to or higher than those of conventional cast aluminum alloys, is also enhanced in heat conduction; and provided a process for producing the cast aluminum alloy. In particular, there are provided a cast aluminum alloy and process for producing the same, wherein Si is contained in an amount of 6.0 to 8.0 mass %, the elements other than Si and Al each in simple form in an amount of ?0.
    Type: Application
    Filed: April 5, 2005
    Publication date: June 9, 2011
    Applicant: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Hiroshi Horikawa, Sanji Kitaoka, Masahiko Shioda, Toshihiro Suzuki, Takahiko Watai, Hidetoshi Kawada
  • Publication number: 20110123390
    Abstract: Provided are an aluminium alloy and a manufacturing method thereof. In the method, aluminium and a master alloy containing a calcium (Ca)-based compound are provided. A melt is prepared, in which the master alloy and the Al are melted. The aluminum alloy may be manufactured by casting the melt.
    Type: Application
    Filed: November 18, 2010
    Publication date: May 26, 2011
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang KIM, Jin-Kyu LEE, Min-Ho CHOI, Jeong-Ho SEO
  • Publication number: 20110123391
    Abstract: Provided are an aluminium alloy and a manufacturing method thereof. In the method, aluminium and a magnesium (Mg) master alloy containing a calcium (Ca)-based compound are provided. A melt is prepared, in which the Mg master alloy and the Al are melted. The aluminum alloy may be manufactured by casting the melt.
    Type: Application
    Filed: November 18, 2010
    Publication date: May 26, 2011
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang KIM, Jin-Kyu LEE, Min-Ho CHOI, Young-Ok YOON
  • Patent number: 7892482
    Abstract: The invention concerns a method for producing a substance during which an aluminum base alloy is produced that has a content of 5.5 to 13.0% by mass of silicon and a content of magnesium according to formula Mg [% by mass]=1.73×Si [% by mass]+m with m=1.5 to 6.0% by mass of magnesium, and has a copper content ranging from 1.0 to 4.0% by mass. The base alloy is then subjected to at least one hot working and, afterwards, to a heat treatment consisting of solution annealing, quenching and artificial aging. The magnesium is added based on the respectively desired silicon content according to the aforementioned formula. The material obtained by using the inventive method comprises having a low density and a high strength.
    Type: Grant
    Filed: February 15, 2005
    Date of Patent: February 22, 2011
    Assignees: Mahle GmbH, Peak Werkstoff GmbH
    Inventors: Ulrich Bischofberger, Peter Krug, Gero Sinha
  • Patent number: 7854975
    Abstract: A joined body includes a first ceramic member, a second ceramic member, and a joining layer which contains soft metal, and joins the first ceramic member and the second ceramic member to each other by being thermally compressed at a joining temperature lower than a solidus of the soft metal.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: December 21, 2010
    Assignee: NGK Insulators, Ltd.
    Inventor: Tomoyuki Fujii
  • Publication number: 20100288401
    Abstract: A cast aluminum alloy contains at least five of the following alloy components: 2.5 to 3.3 wt.-% of Si; 0.2 to 0.7 wt.-% of Mg; <0.18 wt.-% of Fe; <0.5 wt.-% of Mn; <0.1 wt.-% of Ti; <0.03 wt.-% of Sr; 0.3 to 1.3 wt.-% of Cr; and <0.1 wt.-% of others, supplemented by Al to add up to 100 wt.-%. The parts cast from the alloy are preferably homogenized by annealing for 1 to 10 hours at 490° C. to 540° C. and tempered for 1 to 10 hours at 150° C. to 200° C. Preferably, the alloy is used for chassis parts in motor vehicles.
    Type: Application
    Filed: May 6, 2010
    Publication date: November 18, 2010
    Applicant: KSM Castings GmbH
    Inventors: Andreas Hennings, Andreas Buehrig-Polaczek, Lars Wuerker, Klaus Greven
  • Publication number: 20100209288
    Abstract: Disclosed herein is an aluminum alloy that is both age-hardenable and degradable in water-containing fluids. Some embodiments include aluminum alloy compositions with about 0.5 to 8.0 wt. % Ga (Gallium); about 0.5 to 8.0 wt. % Mg (Magnesium); less than about 2.5 wt. % In (Indium); and less than about 4.5 wt. % Zn (Zinc).
    Type: Application
    Filed: February 16, 2009
    Publication date: August 19, 2010
    Applicant: Schlumberger Technology Corporation
    Inventor: Manuel P. Marya
  • Publication number: 20100170669
    Abstract: An aluminum braze alloy suitable for use in brazing aluminum alloy components for heat exchanger's which includes lesser amounts of silicon, and further including at least one of magnesium, calcium, a lanthanide series metal and mixtures thereof in a concentration sufficient to form a passivating film under corrosive conditions.
    Type: Application
    Filed: June 26, 2007
    Publication date: July 8, 2010
    Applicant: Carrier Corporation
    Inventor: Mark R. Jaworowski
  • Publication number: 20100163137
    Abstract: The invention relates to a light metal alloy.
    Type: Application
    Filed: August 30, 2006
    Publication date: July 1, 2010
    Inventors: Lars Würker, Dietrich Kahn, Andreas Hennings, Andreas Bührig-Polaczek
  • Patent number: 7648594
    Abstract: Extruded aluminum alloy which excels in machinability, caulking properties, and wear resistance, the extruded aluminum alloy including 3.0 to 6.0 mass % of Si, 0.1 to 0.45 mass % of Mg, 0.01 to 0.5 mass % of Cu, 0.01 to 0.5 mass % of Mn, and 0.40 to 0.90 mass % of Fe, with the balance being Al and unavoidable impurities.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: January 19, 2010
    Assignee: Aisin Keikinzoku Co., Ltd.
    Inventors: Nobuyuki Higashi, Kinji Hashimoto
  • Publication number: 20090297393
    Abstract: The invention relates to an aluminum alloy, in particular a pressure casting alloy, preferably for a cast component of a motor vehicle, with the following alloy elements: 6.5 to <9.5% by weight of silicon, 0.3 to 0.6% by weight of manganese, 0.15 to 0.35% by weight of iron, 0.02 to 0.6% by weight of magnesium, a maximum of 0.1% by weight of titanium, 90 to 180 ppm strontium and aluminum as the remainder, with a maximum of 0.05% by weight, and a total maximum of 0.2% by weight of production-related contaminants. The alloy is particularly suitable for the pressure casting of the cast components of a motor vehicle such as oil pans, for example.
    Type: Application
    Filed: July 13, 2007
    Publication date: December 3, 2009
    Applicant: BDW TECHNOLOGIES GMBH
    Inventors: Jurgen Wust, Markus Wimmer, Richard Weizenbeck, Dirk E. O. Westerheide
  • Patent number: 7610669
    Abstract: A method for producing an integrated monolithic aluminum structure, including the steps of: (a) providing an aluminum alloy plate from an aluminum alloy with a predetermined thickness (y), (b) shaping or forming the alloy plate to obtain a predetermined shaped structure, (c) heat-treating the shaped structure, (d) machining, e.g. high velocity machining, the shaped structure to obtain an integrated monolithic aluminum structure.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: November 3, 2009
    Assignee: Aleris Aluminum Koblenz GmbH
    Inventors: Christian Joachim Keidel, Alfred Ludwig Heinz
  • Publication number: 20090220376
    Abstract: An aluminum alloy for producing an aluminum strip for lithographic print plate carriers, a method for producing an aluminum alloy for lithographic print plate carriers, in which, during the production of the aluminum alloy, after the electrolysis of the aluminum oxide, the liquid aluminum, up to the casting of the aluminum alloy, is supplied to a plurality of purification steps, as well as an aluminum strip for lithographic print plate carriers and a corresponding use of the aluminum strip for lithographic print plate carriers include a carbide content of less than 10 ppm, and preferably less than 1 ppm. As a result, the aluminum alloy, the method for producing the aluminum alloy, the aluminum strip, and corresponding use of the aluminum strip for lithographic print plate carriers described herein allow for the use of virtually gas-tight coatings.
    Type: Application
    Filed: February 13, 2007
    Publication date: September 3, 2009
    Applicant: Hydro Aluminium Deutschland GmbH
    Inventors: Bernhard Kernig, Werner Droste
  • Publication number: 20090087341
    Abstract: A reinforced aluminum alloy with high electric and thermal conductivity of the present invention has the weight percentage below: Mg 0.61˜0.65%, Si 0.4˜0.45%, rare earth elements 0.21˜0.3%, B 0.03˜0.10% and the balances essentially Al and unavoidable impurities. The reinforced aluminum alloy enhanced the containing of Mg and Si elements compared to the conventional aluminum alloy such as 6063, and controlled the containing of the Mg and Si in a certain relatively narrower range so as to control the desired quality of the aluminum alloy. At the same time, a Ce of the rare earth elements and B element are added into the aluminum alloy and completely solid melted the added alloys to the aluminum alloy. It is not only remaining the strength of the aluminum alloy, but also increasing the electric and thermal conductivity.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 2, 2009
    Inventor: Zhou Cai
  • Publication number: 20090081072
    Abstract: An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing following components: 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, remainder being Al, the components being essential elements, and optionally up to 0.15% Cu, 0.10% Ti; winding the slab into a coil; hot-rolling or directly coiling up the slab; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment with a continuous annealing furnace; and then pre-aging the sheet. The aluminum alloy sheet has the same composition as the molten alloy, has a grain size of 10 to 25 ?m, is superior in bake hardenability, bendability, and surface quality (orange peel), and can be manufactured with low cost.
    Type: Application
    Filed: May 25, 2005
    Publication date: March 26, 2009
    Applicants: NIPPON LIGHT METAL CO., LTD, HONDA MOTOR., LTD., NOVELIS INC.
    Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Simon Barker, Edward Luce
  • Publication number: 20090047172
    Abstract: High strength high extrudability Al—Mg—Si alloys have the composition in weight %: Mg 0.25-0.40; Si 0.60-0.90; Fe up to 0.35; Mn up to 0.35 preferably 0.10-0.25.
    Type: Application
    Filed: October 15, 2008
    Publication date: February 19, 2009
    Inventors: Hang Lam Yiu, Ricky Arthur Ricks, Stephen Anthony Court
  • Patent number: 7473327
    Abstract: A wear-resistant aluminum alloy improved in wear resistance (or viscosity), including: 0.1 to 0.39 wt % of Mg, 3.0 to 6.0 wt % of Si, 0.01 to 0.5 wt % of Cu, 0.01 to 0.5 wt % of Fe, 0.01 to 0.5 wt % of Mn, 0.01 to 0.5 wt % of Cr, and the remainder being Al and unavoidable impurities; and an extruded product using the aluminum alloy.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: January 6, 2009
    Assignee: Aisin Keikinzoku Co., Ltd.
    Inventors: Nobuyuki Takase, Nobuyuki Higashi, Kazuhiro Nishikawa
  • Publication number: 20080299001
    Abstract: The present invention relates to modified alloy compositions for reduced hot tear susceptibility, the aluminum alloy comprising from 0.01 to 0.025% by weight of Sr; and TiB2, measured by its boron content, from 0.001 to 0.005% by weight of B. The invention also relates to a method of preventing or eliminating hot tears in an aluminum alloy comprising the step of combining with aluminum: from 0.01 to 0.025% by weight of Sr; and TiB2, measured by its boron content, from 0.001 to 0.005% by weight of B.
    Type: Application
    Filed: May 27, 2008
    Publication date: December 4, 2008
    Applicant: Alcan International Limited
    Inventors: Joseph Langlais, Alain Lemieux, Neivi Andrade
  • Publication number: 20080233000
    Abstract: An aluminum alloy for a tire mold comprises Mg: 3.0-6.0 mass %, Si: 0.2-4.5 mass % and the balance being Al and inevitable impurities.
    Type: Application
    Filed: March 5, 2008
    Publication date: September 25, 2008
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Masashi Yano