Silicon Containing Patents (Class 420/544)
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Patent number: 12068086Abstract: An arrangement for welded conductors for power transmission cables includes conductors welded by a high conductive welding material. A method for production of such welded conductors and power transmission cables including the welded conductors includes joining the conductor elements by welding.Type: GrantFiled: May 10, 2022Date of Patent: August 20, 2024Assignee: NEXANSInventors: Audun Johanson, Jonas Larsson
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Patent number: 11951533Abstract: A method of manufacturing an aluminum alloy wire includes: forming a rough drawing wire composed of an aluminum alloy containing aluminum, an additive element, and unavoidable impurities, the additive element including Si and Mg; obtaining an aluminum alloy wire by performing a treatment on the rough drawing wire, wherein the treatment includes at least one or more wire drawing treatments; forming a first solution treatment material by forming a solid solution of the aluminum and the additive element and then performing a quenching treatment on the solid solution, wherein the first solution treatment is performed directly before the last of the one or more wire drawing treatments is performed; a second solution treatment that forms a second solution treatment material by forming a solid solution of the aluminum and the additive element and then performing a quenching treatment on the solid solution.Type: GrantFiled: September 6, 2018Date of Patent: April 9, 2024Assignee: Fujikura Ltd.Inventors: Tatsunori Shinoda, Naoki Kaneko, Tsuyoshi Yoshioka
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Patent number: 11633796Abstract: A plate heat exchanger has two metal plates brought into abutment, with a solder material between the plates. The plates are heated up to a first temperature. The plates are placed into a mold, the mold surfaces of which have cavities for envisaged channel structures. Channel structures are formed by local internal pressure forming of at least one plate under pressurization by the tool. The plates are heated up to a second temperature. The plates are solder bonded at the abuted surfaces. A plate heat exchanger has two metal plates, wherein channel structures have been formed in at least one plate and the plates are bonded to one another by soldering away from the channel structures. Eutectic microstructures having a longest extent of less than 50 micrometers are formed in the solder layer.Type: GrantFiled: December 7, 2021Date of Patent: April 25, 2023Assignee: BENTELER AUTOMOBILETECHNIK GMBHInventors: Max Boehnke, Ulrich Huschen, Elmar Grussmann, Ulrich Rusche, Jochem Grewe
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Patent number: 11584977Abstract: New 3xx aluminum casting alloys are disclosed. The aluminum casting alloys generally include from 6.5 to 11.0 wt. % Si, from 0.20 to 0.80 wt. % Mg, from 0.05 to 0.50 wt. % Cu, from 0.10 to 0.80 wt. % Mn, from 0.005 to 0.05 wt. % Sr, up to 0.25 wt. % Ti, up to 0.30 wt. % Fe, and up to 0.20 wt. % Zn, the balance being aluminum and impurities.Type: GrantFiled: February 13, 2018Date of Patent: February 21, 2023Assignee: ALCOA USA CORP.Inventors: Xinyan Yan, Jen C. Lin
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Patent number: 10478925Abstract: The present invention provides a brazing filler material in which the formation of coarse Si particles is suppressed, and a brazing sheet using the same. The brazing filler material includes Si: 3.5% by mass or more and 13.0% by mass or less, Ti: 0.001% by mass or more and 0.05% by mass or less, V: more than 0.0005% by mass and 0.05% by mass or less, and B: 0.001% by mass or less (excluding 0% by mass), with the balance being Al and inevitable impurities, and the value of V/Ti, which is a value obtained by dividing the V content (% by mass) by the Ti content (% by mass) is 0.05 or more and 5 or less.Type: GrantFiled: February 23, 2016Date of Patent: November 19, 2019Assignee: Kobe Steel, Ltd.Inventors: Takahiro Izumi, Kenichiro Yoshida, Akihiro Tsuruno
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Patent number: 10099320Abstract: An aluminum alloy brazing sheet having high corrosion resistance is provided, which develops the sacrificial anticorrosion effect in both surfaces of the sheet, which has the brazing function in one of both the surfaces, and which prevents the occurrence of preferential corrosion. A channel forming component for a vehicular heat exchanger is also provided by utilizing the aluminum alloy brazing sheet. An aluminum alloy brazing sheet having high corrosion resistance includes an aluminum alloy core, a filler material clad on one surface of the core, and a sacrificial anode material clad on the other surface of the core, wherein the filler material, the sacrificial anode material, and the core have respective predetermined alloy compositions. A channel forming component for a vehicular heat exchanger is manufactured using the aluminum alloy brazing sheet having high corrosion resistance.Type: GrantFiled: January 28, 2013Date of Patent: October 16, 2018Assignees: Denso Corporation, UACJ CorporationInventors: Sadayuki Kamiya, Shota Terachi, Kenji Negura, Makoto Ando, Atsushi Fukumoto, Yoshiyuki Oya, Akio Niikura
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Publication number: 20150075677Abstract: An aluminum alloy sheet which has high strength enabling application to automobile body sheet and which is excellent in press-formability and shape fixability and a method of production of the same are provided. Aluminum alloy sheet having a composition of ingredients which contains Mg, Fe, and Ti, restricts the impurity Si to less than 0.20 mass %, and has a balance of Al and unavoidable impurities and a metal structure with an average grain size of less than 15 ?m and having second phase particles with a circle equivalent diameter of 3 ?m or more in a number of less than 300/mm2 and having a tensile strength of 240 MPa or more, a yield strength of less than 130 MPa, an elongation of 30% or more, and a plane strain fracture limit at a strain rate of 20/sec of 0.20 or more.Type: ApplicationFiled: January 10, 2013Publication date: March 19, 2015Inventors: Tomoyuki Hirayama, Takeshi Handa, Toshiya Anami
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Publication number: 20150050520Abstract: 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: ApplicationFiled: October 1, 2012Publication date: February 19, 2015Inventors: Akio Niikura, Kazuko Fujita, Takashi Murase, Yoshiyuki Oya, Tomohito Kurosaki
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Publication number: 20140234160Abstract: Improved aluminum casting alloys having vanadium are disclosed, The new alloys generally include from 4,0 to 10.0 wt. % Si, from 0.01 to 0.15 wt. % V, and up to 0.10 wt. % Fe, among other elements. The improved aluminum casting alloys may realize, for example, improved strength and/or elongation properties.Type: ApplicationFiled: March 4, 2014Publication date: August 21, 2014Applicant: ALCOA GMBHInventors: Claus Michael Mueller, Ralf Scheid, Martijn Vos
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Publication number: 20140117001Abstract: 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: ApplicationFiled: January 7, 2014Publication date: May 1, 2014Applicant: ILLINOIS TOOL WORKS INC.Inventor: Bruce Edward Anderson
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Publication number: 20140003993Abstract: 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: ApplicationFiled: March 13, 2012Publication date: January 2, 2014Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Katsushi Matsumoto, Yasuhiro Aruga, Hidemasa Tsuneishi
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Publication number: 20130307383Abstract: An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si: 11.0-13.0 mass %, Fe: 0.2-1.0 mass %, Mn: 0.2-2.2 mass %, Mg: 0.7-1.3 mass %, Cr: 0.5-1.3 mass % and Ti: 0.1-0.5 mass %, with the balance consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass % or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting.Type: ApplicationFiled: January 27, 2011Publication date: November 21, 2013Applicant: Nippon Light Metal Company, Ltd.Inventors: Satoru Suzuki, Atsushi Kishimoto, Pizhi Zhao, Kazuhiro Oda, Tomohiro Isobe
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Publication number: 20130264115Abstract: An aluminum (Al) alloy wire, which is an extra fine wire having a wire diameter of 0.5 mm or less, contains, in mass %, Mg at 0.03% to 1.5%, Si at 0.02% to 2.0%, at least one element selected from Cu, Fe, Cr, Mn and Zr at a total of 0.1% to 1.0% and the balance being Al and impurities, and has an electrical conductivity of 40% IACS or more, a tensile strength of 150 MPa or more, and an elongation of 5% or more. By producing the extra fine wire from an Al alloy of a specific composition containing Zr, Mn and other specific elements, though the extra fine wire is extra fine, it has a fine structure with a maximum grain size of 50 ?m or less and is superior in elongation.Type: ApplicationFiled: April 3, 2012Publication date: October 10, 2013Applicants: Sumitomo Electric Industries, Ltd., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.Inventors: Hiroyuki Kobayashi, Yoshihiro Nakai, Taichiro Nishikawa, Yoshiyuki Takaki, Misato Kusakari, Yasuyuki Otsuka
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Patent number: 8524015Abstract: An aluminum-magnesium alloy sheet having a high strength prior to baking treatment, and having a high bake softening resistance. Contains, as a percentage of mass, 2-5% magnesium, more than 0.05% and 1.5% or less iron, 0.05-1.5% manganese, and crystal grain refiner, the remainder comprising aluminum and inevitable impurities, and among the inevitable impurities, less than 0.20% silicon being contained, the total amount of iron and manganese being greater than 0.3%, the amount of iron dissolved in solid solution being 50 ppm or greater, 5000 or more intermetallic compounds with a circle-equivalent diameter of 1-6 ?m existing per square millimeter, and the average diameter of the recrystallized grains being 20 ?m or smaller.Type: GrantFiled: December 19, 2003Date of Patent: September 3, 2013Assignee: Nippon Light Metal Company, Ltd.Inventors: Pizhi Zhao, Masaru Shinohara
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Publication number: 20130199680Abstract: Aluminum die casting alloy comprising 2 to 6% by weight nickel, 0.1 to 0.4% by weight zirconium, 0.1 to 0.4% by weight vanadium, optionally up to 5% by weight manganese, optionally up to 2% by weight iron, optionally up to 1% by weight titanium, optionally total max. 5% by weight transition elements including scandium, lanthanum, yttrium, hafnium, niobium, tantalum, chromium and/or molybdenum, and aluminum as the remainder with further elements and impurities due to production total max. 1% by weight.Type: ApplicationFiled: April 6, 2011Publication date: August 8, 2013Applicant: RHEINFELDEN ALLOYS GMBH & CO. KGInventors: Diran Apelian, Makhlouf M. Makhlouf
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Patent number: 8500926Abstract: An aluminum alloy material for high-temperature/high-speed molding containing 2.0 to 8.0 mass % of Mg, 0.05 to 1.0 mass % of Mn, 0.01 to 0.3 mass % of Zr, 0.06 to 0.4 mass % of Si and 0.06 to 0.4 mass % of Fe, with the balance being made of aluminum and inevitable impurities; an aluminum alloy material for high-temperature/high-speed molding containing 2.0 to 8.0% of Mg, 0.05 to 1.5% of Mn and 0.05 to 0.4% of Cr, Fe being restricted to 0.4% or less and Si being restricted to 0.4% or less, the grain diameter of a Cr-base intermetallic compound formed by melt-casting being 20 ?m or less, and grains of intermetallic compounds with a grain diameter in the range from 50 to 1,000 nm as Mn-base and Cr-base precipitates being present in a distribution density of 350,000 grains/mm2 or more, the aluminum alloy material being used for high-temperature/high-speed molding by subjecting the alloy material to cooling at a cooling rate of 20° C./min or more immediately after molding at a temperature range from 200 to 550° C.Type: GrantFiled: July 11, 2008Date of Patent: August 6, 2013Assignees: Furukawa-Sky Aluminum Corp, Nippon Steel & Sumitomo Metal CorporationInventors: Koji Ichitani, Tsutomu Tagata, Toshio Komatsubara, Ken Takata
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Publication number: 20130149190Abstract: The present invention relates to a castable heat resistant aluminium alloy for high temperature applications such as components in combustion engines, in particular for the manufacturing of highly loaded cylinder heads, he alloy comprises the following composition: .Si: 6.5-10 wt %.Mg: 0.25-0.35 wt %.Cu: 0.3-0.7 wt %.Hf: 0.025-0.55 wt % Optionally with the addition of: .Ti: 0-0.2 wt %.Zr: 0-0.3 wt %, the balance being made of Al and unavoidable impurities including Fe.Type: ApplicationFiled: June 16, 2011Publication date: June 13, 2013Inventors: Terje Iveland, Stig Brusethaug, Petter Asholt, Bruno Barlas, Denis Massinon, Philippe Meyer
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Patent number: 8404059Abstract: The aluminum alloy for anodic oxidation treatment directed to the present invention comprises as alloy elements 0.1 to 2.0% Mg, 0.1 to 2.0% Si, and 0.1 to 2.0% Mn, wherein each content of Fe, Cr, and Cu is limited to 0.03 mass % or less, and wherein the remainder is composed of Al and inevitable impurities. An aluminum alloy more excellent in the durability can be obtained by subjecting the aluminum alloy ingot having the above element composition to a homogenization treatment at a temperature of more than 550° C. to 600° C. or less. An aluminum alloy member can be obtained by forming an anodic oxidation coating on the surface of the aluminum alloy.Type: GrantFiled: July 10, 2007Date of Patent: March 26, 2013Assignee: Kobe Steel, Ltd.Inventors: Koji Wada, Jun Hisamoto, Toshiyuki Tanaka, Kozo Hoshino, Kazunori Kobayashi
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Patent number: 8372220Abstract: There are provided an aluminum alloy forging having high strength, toughness, and resistance to corrosion in response to the thinning of automotive underbody parts, and a process for production thereof. The aluminum alloy forging includes an aluminum alloy containing predetermined amounts of Mg, Si, Mn, Fe, Zn, Cu, Cr, Zr, and Ti with the balance being composed of Al and inevitable impurities, and having a hydrogen gas concentration of 0.25 ml/100 g of Al. In the aluminum alloy forging mentioned above, the area ratio of Mg2Si having a maximum length of 0.1 ?m or above is 0.15% or below, the recrystallization ratio of the aluminum alloy is 20% or below, and a size distribution index value defined by V/r of dispersed particles of the aluminum alloy (V: the area ratio [%] of the dispersed particles, and r: the average radius [nm] of the dispersed particles) is 0.20 or above.Type: GrantFiled: March 13, 2008Date of Patent: February 12, 2013Assignee: Kobe Steel, Ltd.Inventors: Yoshiya Inagaki, Manabu Nakai, Atsumi Fukuda
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Publication number: 20130022493Abstract: 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: ApplicationFiled: March 3, 2011Publication date: January 24, 2013Applicant: DAIDO METAL COMPANY LTD.Inventors: Moritaka Fukuda, Tomoyuki Nirasawa, Yukihiko Kagohara, Shigeru Inami
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Patent number: 8349462Abstract: Decorative shape cast products and methods, systems, compositions and apparatus for producing the same are described. In one embodiment, the decorative shape cast products are produced from an Al—Ni or Al—Ni—Mn alloy, with a tailored microstructure to facilitate production of anodized decorative shape cast product having the appropriate finish and mechanical properties.Type: GrantFiled: January 12, 2010Date of Patent: January 8, 2013Assignee: Alcoa Inc.Inventors: Jen C. Lin, James R. Fields, Albert L. Askin, Xinyan Yan, Ralph R. Sawtell, Shawn Patrick Sullivan, Janell Lyn Abbott
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Patent number: 8337644Abstract: An aluminum alloy, comprising magnesium 4.5 to 6.5% by weight, silicon 1.0 to 3.0% by weight, manganese 0.3 to 1.0% by weight, chromium 0.02 to 0.3% by weight, titanium 0.02 to 0.2 % by weight, zirconium 0.02 to 0.2% by weight, one or more rare earth metals 0.0050 to 1.6% by weight, iron max. 0.2% by weight, and the remainder aluminum.Type: GrantFiled: May 18, 2006Date of Patent: December 25, 2012Assignee: Aluminium Lend Gesellschaft m.b.H.Inventors: Günther Trenda, Andreas Kraly
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Patent number: 8317947Abstract: The present invention provides an aluminum alloy sheet for press forming, having the crystallo-graphic texture in which the orientation density of CR orientation ({001}<520>) is higher than that of any orientation other than the CR orientation. The orientation density of the CR orientation is preferably 10 or more (random ratio). The orientation densities of all orientations other than the CR orientation are preferably less than 10. The aluminum alloy sheet is preferably made of an Al—Mg—Si alloy.Type: GrantFiled: May 29, 2008Date of Patent: November 27, 2012Assignee: Sumitomo Light Metal Industries, Ltd.Inventors: Mineo Asano, Hidetoshi Uchida
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Publication number: 20120164021Abstract: 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: ApplicationFiled: May 20, 2008Publication date: June 28, 2012Applicant: ALUMINIUM RHEINFELDEN GMBHInventors: Dan Dragulin, Rudiger Franke
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Publication number: 20120134874Abstract: Disclosed is an aluminum casting material including aluminum, silicon, titanium and boron, particularly 81-93 wt % of aluminum, 5-13 wt % of silicon, 1-3 wt % of titanium and 1-3 wt % of boron. The aluminum casting material has superior elasticity compared to that of a conventional aluminum alloy, even without employing a material of high cost such as carbon nanotube (CNT). While the application of the conventional aluminum alloy is largely restricted to a low pressure casting process, the aluminum material of the present invention can be applied to all common casting processes including a high pressure casting.Type: ApplicationFiled: February 14, 2011Publication date: May 31, 2012Applicants: HYUNDAI MOTOR COMPANY, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, KIA MOTORS CORPORATIONInventors: Hoon Mo Park, Jae Hyeok Shim, Jin Yoo Seo, Young Su Lee
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Publication number: 20120103476Abstract: Improved 5xxx aluminum alloys having an improved combination of properties are disclosed. The new 5xxx aluminum alloys generally contain 0.50 to 3.25 wt. % Mg, 0.05 to 0.20 wt. % Sc, 0.05 to 0.20 wt. % Zr, up to 0.50 wt. % in total of Cu and Ag, less than 0.10 wt. % Mn, up to 0.30 wt. % in total of Cr, V and Ti, up to 0.50 wt. % in total of Ni and Co, up to 0.25 wt. % Fe, up to 0.25 wt. % Si, up to 0.50 wt. % Zn, and up to 0.10 wt. % of any other element, with the total of these other elements not exceeding 0.35 wt. %, the balance being aluminum. The new 5xxx aluminum alloys may be used in high strength electrical conductor products, among others.Type: ApplicationFiled: October 28, 2011Publication date: May 3, 2012Applicant: Alcoa Inc.Inventors: John M. Newman, Francine S. Bovard, Ralph R. Sawtell
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Patent number: 8118951Abstract: An aluminum alloy sheet for a lithographic printing plate includes 0.03 to 0.15% (mass %, hereinafter the same) of Si, 0.2 to 0.7% of Fe, 0.05 to 0.5% of Mg, 0.003 to 0.05% of Ti, and 30 to 300 ppm of Ga, with the balance being aluminum and inevitable impurities, a surface area of the aluminum alloy sheet having an average recrystallized grain size of 50 ?m or less in a direction perpendicular to a rolling direction, an Mg concentration that is higher than the average Mg concentration by a factor of 5 to 50, and a Ga concentration that is higher than the average Ga concentration by a factor of 2 to 20, the surface area being an area up to a depth of 0.2 ?m from the surface of the aluminum alloy sheet.Type: GrantFiled: October 30, 2009Date of Patent: February 21, 2012Assignees: Fujifilm Corporation, Sumitomo Light Metal Industries, Ltd.Inventors: Akio Uesugi, Atsushi Matsuura, Hiroshi Ougi, Atsushi Hibino
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Patent number: 8105530Abstract: 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: GrantFiled: September 29, 2008Date of Patent: January 31, 2012Inventor: Zhou Cai
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Publication number: 20110268604Abstract: 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: ApplicationFiled: July 1, 2011Publication date: November 3, 2011Inventor: Zhou Cai
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Publication number: 20110266029Abstract: An aluminum alloy wire material, which has an alloy composition containing: 0.1 to 0.4 mass % of Fe, 0.1 to 0.3 mass % of Cu, 0.02 to 0.2 mass % of Mg, and 0.02 to 0.2 mass % of Si, and further containing 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, in which a grain size is 5 to 25 ?m in a vertical cross-section in a wire-drawing direction thereof, and an average creep rate between 1 and 100 hours is 1×10?3 (%/hour) or less by a creep test under a 20% load of a 0.2% yield strength at 150° C.Type: ApplicationFiled: July 18, 2011Publication date: November 3, 2011Inventors: Shigeki Sekiya, Kuniteru Mihara, Kyota Susai
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Publication number: 20110194973Abstract: 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: ApplicationFiled: February 8, 2011Publication date: August 11, 2011Applicant: Illinois Tool Works Inc.Inventor: Bruce Edward Anderson
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Patent number: 7959856Abstract: Aluminum alloys and castings are provided that have excellent practical fatigue resistances. The alloy includes, based upon 100 mass %, 4-12 mass % of Si, less than 0.2 mass % of Cu, 0.1-0.5 mass % of Mg, 0.2-3.0 mass % of Ni, 0.1-0.7 mass % of Fe, 0.15-0.3 mass % of Ti, and the balance of aluminum (Al) and impurities. The alloy has a metallographic structure, which includes a matrix phase primarily of ?-Al and a skeleton phase crystallizing around the matrix phase in a network shape. The matrix phase is strengthened by precipitates containing Mg. Because of the strengthened matrix phase, and the skeleton phase that surrounds it, the castings have high strength, high fatigue strength, and high thermo-mechanical fatigue resistance.Type: GrantFiled: October 14, 2004Date of Patent: June 14, 2011Assignee: Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Hajime Ikuno, Hiroshi Hohjo, Yoshihiko Sugimoto, Isamu Ueda, Hiroaki Iwahori
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Publication number: 20110116966Abstract: An aluminum alloy is composed of 15% or more and 7.5% or less by mass of silicon, 0.45% or more and 0.8% or less by mass of magnesium, 0.05% or more and 0.35% or less by mass of chromium, and aluminum, assuming that the total amount of the alloy is 100% by mass.Type: ApplicationFiled: July 6, 2009Publication date: May 19, 2011Applicant: Toyota Jidosha Kabushiki KaishaInventors: Hiroshi Kawahara, Hideaki Matsuoka, Hiroaki Iwahori, Taiki Kanou, Chikatoshi Maeda, Tokujiro Konishi
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Publication number: 20110104001Abstract: An aluminum alloy sheet for a lithographic printing plate includes 0.03 to 0.15% (mass %, hereinafter the same) of Si, 0.2 to 0.7% of Fe, 0.05 to 0.5% of Mg, 0.003 to 0.05% of 11, and 30 to 300 ppm of Ga, with the balance being aluminum and inevitable impurities, a surface area of the aluminum alloy sheet having an average recrystallized grain size of 50 ?m or less in a direction perpendicular to a rolling direction, an Mg concentration that is higher than the average Mg concentration by a factor of 5 to 50, and a Ga concentration that is higher than the average Ga concentration by a factor of 2 to 20, the surface area being an area up to a depth of 0.2 ?m from the surface of the aluminum alloy sheet.Type: ApplicationFiled: October 30, 2009Publication date: May 5, 2011Inventors: Akio Uesugi, Atsushi Matsuura, Hiroshi Ougi, Atsushi Hibino
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Publication number: 20100288401Abstract: 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: ApplicationFiled: May 6, 2010Publication date: November 18, 2010Applicant: KSM Castings GmbHInventors: Andreas Hennings, Andreas Buehrig-Polaczek, Lars Wuerker, Klaus Greven
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Publication number: 20100279171Abstract: This aims to provide a pulse laser welding aluminum alloy material, which can prevent the occurrence of an abnormal portion, when an A1000-series aluminum material is welded with a pulse laser, so that a satisfactory welded portion can be homogeneously formed, and a battery case. The pulse laser welding aluminum alloy material is made of an A1000-series aluminum material, and has a viscosity of 0.0016 Pa·s or less in a liquid phase. Alternatively, the pulse laser welding aluminum alloy material has such a porosity generation rate of 1.5 (?m2/mm) or less in the pulse-laser welded portion as is numerically defined by dividing the porosity total area (?m2), as indicated by the product of the sectional area and the number of porosities, by the length (mm) of an observation section.Type: ApplicationFiled: December 18, 2008Publication date: November 4, 2010Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Tsuyoshi Matsumoto, Kazunori Kobayashi, Seiji Sasabe
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Publication number: 20100183869Abstract: Decorative shape cast products and methods, systems, compositions and apparatus for producing the same are described. In one embodiment, the decorative shape cast products are produced from an Al—Ni or Al—Ni—Mn alloy, with a tailored microstructure to facilitate production of anodized decorative shape cast product having the appropriate finish and mechanical properties.Type: ApplicationFiled: January 12, 2010Publication date: July 22, 2010Applicant: Alcoa Inc.Inventors: Jen C. Lin, James R. Fields, Albert L. Askin, Xinyan Yan, Ralph R. Sawtell, Shawn Patrick Sullivan, Janell Lyn Abbott
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Publication number: 20100163137Abstract: The invention relates to a light metal alloy.Type: ApplicationFiled: August 30, 2006Publication date: July 1, 2010Inventors: Lars Würker, Dietrich Kahn, Andreas Hennings, Andreas Bührig-Polaczek
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Patent number: 7691489Abstract: An aluminum alloy, a clad or unclad material for a brazed product containing the alloy as a core, and a method for producing the material, wherein the material is used for manufacturing the brazed product from the alloy.Type: GrantFiled: March 18, 2005Date of Patent: April 6, 2010Assignee: Sapa Heat Transfer ABInventors: Hans-Erik Ekström, Stefan Wass, Richard Westergård, Anders Oscarsson, Annika Moberg
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Publication number: 20100074796Abstract: In an aluminium alloy of type AlMgSi with good creep strength at elevated temperatures for the production of castings subject to high thermal and mechanical stresses the contents of the alloying elements magnesium and silicon in % w/w in a Cartesian coordinate system are limited by a polygon A with the coordinates [Mg; Si] [8.5; 2.7] [8.5; 4.7] [6.3; 2.7] [6.3; 3.4] and that the alloy also contains 0.1 to 1% w/w manganese max. 1% w/w iron max. 3% w/w copper max. 2% w/w nickel max. 0.5% w/w chromium max. 0.6% w/w cobalt max. 0.2% w/w zinc max. 0.2% w/w titanium max. 0.5% w/w zirconium max. 0.008% w/w beryllium max. 0.5% w/w vanadium as well as aluminium remainder rest with further elements and manufacturing-related impurities of individually max. 0.05% w/w and max. 0.2% w/w in total. The alloy is suitable in particular for the production of cylinder crankcases by the pressure die casting method.Type: ApplicationFiled: August 18, 2006Publication date: March 25, 2010Applicant: ALUMINIUM RHEINFELDEN GmbHInventor: Rudiger Franke
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Publication number: 20100054986Abstract: Provided are an aluminum alloy for die casting that has excellent die-castability, a molding with high hardness, and a molded article with excellent sheen. The aluminum alloy for die casting includes 0.5 to 2.5 wt. % Mn, 0.2 to 1.0 wt. % Cr, 0.1 to 0.5 wt. % Ti, 0.1 to less than 0.5 wt. % Mg, and Al. The molding is obtained by die-casting the aluminum alloy for die casting. The molding obtained by die-casting the aluminum alloy has excellent die-castability and high hardness. By performing the alumite treatment on the surface of the molding, a molded article having excellent sheen is obtained.Type: ApplicationFiled: March 23, 2007Publication date: March 4, 2010Applicant: TANAKA SANGYO CO., LTD.Inventors: Kenji Tanaka, Takao Asami, Kiyoto Takeuchi, Yutaka Fujiwara, Koukiti Takahashi, Tadanori Manome
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Publication number: 20090297393Abstract: 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: ApplicationFiled: July 13, 2007Publication date: December 3, 2009Applicant: BDW TECHNOLOGIES GMBHInventors: Jurgen Wust, Markus Wimmer, Richard Weizenbeck, Dirk E. O. Westerheide
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Publication number: 20090226343Abstract: An aluminium alloy product having high strength, excellent corrosion resistance and weldability, having the following composition in wt. %: Mg 3.5 to 6.0, Mn 0.4 to 1.2, Fe<0.5, Si<0.5, Cu<0.15, Zr<0.5, Cr<0.3, Ti 0.03 to 0.2, Sc<0.5, Zn<1.7, Li<0.5, Ag<0.4, optionally one or more of the following dispersoid forming elements selected from the group consisting of erbium, yttrium, hafnium, vanadium, each <0.5 wt. %, and impurities or incidental elements each <0.05, total <0.15, and the balance being aluminium.Type: ApplicationFiled: August 14, 2006Publication date: September 10, 2009Applicant: CORUS ALUMINIUM WALZPRODUKTE GMBHInventors: Nadia TELIOUI, Steven Dirk MEIJERS, Andrew NORMAN
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Publication number: 20090220376Abstract: 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: ApplicationFiled: February 13, 2007Publication date: September 3, 2009Applicant: Hydro Aluminium Deutschland GmbHInventors: Bernhard Kernig, Werner Droste
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Publication number: 20090214381Abstract: An aluminium alloy, comprising magnesium 4.5 to 6.5% by weight, silicon 1.0 to 3.0% by weight, manganese 0.3 to 1.0% by weight, chromium 0.02 to 0.3% by weight, titanium 0.02 to 0.2 % by weight, zirconium 0.02 to 0.2% by weight, one or more rare earth metals 0.0050 to 1.6% by weight, iron max. 0.2% by weight, and the remainder aluminium.Type: ApplicationFiled: May 18, 2006Publication date: August 27, 2009Inventors: Günther Trenda, Andreas Kraly
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Publication number: 20090116999Abstract: An Al—Mg—Si alloy with improved ductility and crush properties, in particular useful for structural components in crash exposed areas in vehicles. The alloy contains in wt %: Mg 0.25-1.2; Si 0.3-1.4; Ti 0.03-0.4, where Ti is present in solid solution and where the alloy contains in addition one or more of the following alloy components: Mn max 0.6; Cr max 0.3; Zr max 0.25, and incidental impurities, including Ee and Zn up to 0.5 with balance Al.Type: ApplicationFiled: February 16, 2007Publication date: May 7, 2009Inventors: Trond Furu, Ulf Tundal, Jostein Royset, Oddvin Reiso
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Publication number: 20090087341Abstract: 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: ApplicationFiled: September 29, 2008Publication date: April 2, 2009Inventor: Zhou Cai
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Publication number: 20090081072Abstract: 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: ApplicationFiled: May 25, 2005Publication date: March 26, 2009Applicants: 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
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Publication number: 20080305000Abstract: Al—Mg—Ag wrought products and methods of making such products useful in aircraft applications. The Al—Mg—Ag wrought products have improved strength when compared to traditional AA5XXX alloys. The alloys may comprise from about 3.5 to about 10 weight percent Mg, from about 0.05 to about 0.5 weight percent Ag, from about 0.01 to about 1.0 weight percent Mn, from about 0.01 to about 0.15 weight percent Zr, and the remainder Al and incidental impurities. In addition, from about 0.05 to about 0.4 weight percent Sc may be added to further improve the strength characteristics.Type: ApplicationFiled: May 12, 2008Publication date: December 11, 2008Inventors: Iulian Gheorghe, Victor B. Dangerfield
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Patent number: RE40788Abstract: A litho strip for use as an offset printing plate is described which has a composition of 0.05-0.25% Si, 0.30-0.40% Fe, 0.10-0.30% Mg, max. 0.05% Mn, and max. 0.04% Cu. The strip is produced from a continuous cast ingot of the above composition which is hot rolled to a thickness of up to 2-7 mm. The residual resistance ratio of the hot rolled strip is RR=10-20. The cold rolling is carried out with or without intermediate annealing, wherein the degree of rolling reduction after intermediate annealing is >60%. The further processing up to the EC roughening takes place with the microstructure adjusted in the rolling process at <100° C. The litho strip is characterized by a high thermal stability, a good roughening behavior in the EC processes, and a high reverse bending fatigue strength perpendicular to the rolling direction.Type: GrantFiled: September 10, 2004Date of Patent: June 23, 2009Assignee: Hydro Aluminium Deutschland GmbHInventors: Wolfgang Von Asten, Bernhard Kernig, Barbara Grzemba