Aluminum Base Patents (Class 148/415)
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Patent number: 12043887Abstract: Provided are new high strength 6xxx aluminum alloys and methods of making aluminum sheets thereof. These aluminum sheets may be used to fabricate components which may replace steel in a variety of applications including the transportation industry. In some examples, the disclosed high strength 6xxx alloys can replace high strength steels with aluminum. In one example, steels having a yield strength below 340 MPa may be replaced with the disclosed 6xxx aluminum alloys without the need for major design modifications.Type: GrantFiled: November 13, 2019Date of Patent: July 23, 2024Assignee: Novelis Inc.Inventors: Hany Ahmed, Wei Wen, Corrado Bassi, Aude Despois, Guillaume Florey, Xavier Varone
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Patent number: 11746396Abstract: An aluminium based alloy, and a method for production of components by additive manufacturing (AM) or other rapid solidification process with the alloy, is based on the alloy having a composition with from 2.01 wt % to 15.0 wt % manganese, from 0.3 wt % to 2.0 wt % scandium, with a balance apart from minor alloy elements and incidental impurities of aluminium.Type: GrantFiled: December 3, 2018Date of Patent: September 5, 2023Assignee: MONASH UNIVERSITYInventors: Paul Rometsch, Xinhua Wu, Qingbo Jia
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Patent number: 11618942Abstract: A sputtering-target material (2) is composed of aluminum having a purity of 99.999 mass % or higher and unavoidable impurities. When an average crystal-grain diameter at the plate surface (21) is given as Ds [?m], an average crystal-grain diameter at a depth of ¼th of the plate thickness (22) is given as Dq [?m], and an average crystal-grain diameter at a depth of ½ of the plate thickness (23) is given as Dc [?m], the formulas below are satisfied, and the average crystal-grain diameter changes continuously in a plate-thickness direction. Ds?230 Dq?280 Dc?300 1.2?Dq/Ds 1.Type: GrantFiled: June 21, 2018Date of Patent: April 4, 2023Assignees: UACJ CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hiroki Takeda, Masahiro Fujita
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Patent number: 11572608Abstract: An aluminum alloy thick plate is formed of an aluminum alloy including Mg of 2.0 to 5.0 mass %, and has a plate thickness of 300 to 400 mm. A is 700 pieces/cm2 or less and B is 1.3 times or more as large as A, where (i) A (pieces/cm2) is a maximum value in numbers of crystallized products with a maximum length of 60 ?m or more per unit area in each of positions located at a center portion in a thickness direction and at positions of 0.39 Wa to 0.48 Wa in a plate width direction; and (ii) B (pieces/cm2) is a maximum value in numbers of crystallized products with a maximum length of 60 ?m or more per unit area in each of positions located at the center portion in the thickness direction and at positions of 0.12 Wa to 0.30 Wa in the plate width direction.Type: GrantFiled: August 13, 2021Date of Patent: February 7, 2023Assignee: UACJ CORPORATIONInventors: Takashi Kubo, Tatsuya Yamada
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Patent number: 11433489Abstract: A scandium-containing aluminium powder alloy, wires and materials including said alloy, and a method for producing the scandium-containing aluminium powder alloy, the wires and materials, the proportion of scandium in the scandium-containing aluminium powder alloy being elevated, are disclosed. At least one element is selected from the group consisting of the lanthanum group except for Ce, Y, Ga, Nb, Ta, W, V, Ni, Co, Mo, Li, Th, Ag.Type: GrantFiled: December 13, 2016Date of Patent: September 6, 2022Inventor: Blanka Lenczowski
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Patent number: 11421304Abstract: In various embodiments, aluminum alloys having yield strengths greater than 120 MPa, and typically in the range from 140 MPa to 175 MPa, are described. Further, such alloys can have electrical conductivity of greater than 45% IACS, typically in the range from 45-55% IACS. In one embodiment, the aluminum alloy comprises Si from 1 to 4.5 wt %, Mg from 0.3 to 0.5 wt %, TiB2 from 0.02 to 0.07 wt %, Fe less than 0.1 wt %, Zn less than 0.01 wt %, Cu less than 0.01 wt %, Mn less than 0.01 wt %, the remaining wt % being Al and incidental impurities. Such alloys can be used to cast a variety of automotive parts, including rotors, stators, busbars, inverters, and other parts.Type: GrantFiled: October 26, 2018Date of Patent: August 23, 2022Assignee: Tesla, Inc.Inventors: Sivanesh Palanivel, Charlie Kuehmann, Paul Edwards, Ethan Filip
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Patent number: 11208868Abstract: A borehole tool can include a frangible degradable alloy that includes an oxidizable base element and at least one alloying element.Type: GrantFiled: November 18, 2014Date of Patent: December 28, 2021Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Manuel P. Marya
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Patent number: 11186903Abstract: An aluminium alloy extruded product obtained by casting a billet from a 6xxx aluminium alloy comprising: Si: 0.3-1.5 wt. %; Fe: 0.1-0.3 wt. %; Mg: 0.3-1.5 wt. %; Cu<1.5 wt. %; Mn<1.0%; Zr<0.2 wt. %; Cr<0.4 wt. %; Zn<0.1 wt. %; Ti<0.2 wt. %, V<0.2 wt. %, the rest being aluminium and inevitable impurities; Wherein an ageing treatment is applied such that the product presents an excellent compromise between strength and crashability, with a yield strength Rp0.2 higher than 240 MPa, preferably higher than 280 MPa and when axially compressed, the profile presents a regularly folded surface having cracks with a maximal length of 10 mm, preferably less than 5 mm.Type: GrantFiled: September 2, 2015Date of Patent: November 30, 2021Assignees: CONSTELLIUM VALAIS SA, CONSTELLIUM SINGEN GMBHInventors: Alexis Skubich, Martin Jarrett
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Patent number: 11124862Abstract: An aluminum alloy thick plate is formed of an aluminum alloy including Mg of 2.0 to 5.0 mass %. The aluminum alloy thick plate has a plate thickness of 300 to 400 mm. A is 160 pieces/cm2 or less and B is 1.15 times or more as large as A, where (i) A (pieces/cm2) is a maximum value in numbers of porosities with an equivalent circle diameter of 50 ?m or more in each of positions located at a center portion in a plate thickness direction and at positions of 0.39 Wa to 0.48 Wa in a plate width direction; and (ii) B (pieces/cm2) is a maximum value in numbers of porosities with an equivalent circle diameter of 50 ?m or more in each of positions located at the center portion in the plate thickness direction and at positions of 0.12 Wa to 0.30 Wa in the plate width direction.Type: GrantFiled: February 22, 2018Date of Patent: September 21, 2021Assignee: UACJ CORPORATIONInventors: Takashi Kubo, Tatsuya Yamada
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Patent number: 10941473Abstract: Aluminum alloys are provided. The alloys can include one or more of zinc, magnesium, copper, zirconium, yttrium, erbium, ytterbium, scandium, silver, and the balance of aluminum and incidental elements and impurities. The alloys can be used for additive manufacturing of various articles, such as aircraft components.Type: GrantFiled: September 2, 2016Date of Patent: March 9, 2021Assignee: QUESTEK INNOVATIONS LLCInventors: David R. Snyder, James Saal, Jason T. Sebastian, Gregory B. Olson, Jiadong Gong
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Patent number: 10889882Abstract: Provided herein are new aluminum alloy materials which are useful in replacing copper in a heat exchanger. The aluminum alloy materials are also useful in manufacturing components of heating, ventilating, air-conditioning, and refrigeration (HVAC&R) systems for indoor and outdoor units. The alloys are well-suited for tubing in a heat exchanger. The alloys display high strength and good corrosion resistance. Also provided herein are methods for making the aluminum alloy materials.Type: GrantFiled: March 3, 2017Date of Patent: January 12, 2021Assignee: Novelis Inc.Inventors: Jyothi Kadali, Eider Alberto Simielli, Kevin Michael Gatenby
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Patent number: 10845557Abstract: An overhead cable for the transmission of low-voltage and medium-voltage energy and digital signals, including a central fiber-optic cable, surrounded by a protective covering of the central fiber-optic cable and around such protective covering of such fiber optics by at least an aluminum alloy layer for the transmission of low-voltage and medium-voltage electric power or neutral wire and the covering thereof, where at least one aluminum alloy layer includes a 6101 aluminum alloy wire that has been heat treated, submitting the same to a temperature within a range of 260 and 300° C. and a treatment process for the aluminum alloy drawn wire.Type: GrantFiled: October 2, 2017Date of Patent: November 24, 2020Inventors: José Antonio Di Ciommo, Edgardo Kliewer
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Patent number: 10590515Abstract: New 6xxx aluminum alloys are disclosed. The new 6xxx aluminum alloys may include 1.05-1.50 wt. Mg, 0.60-0.95 wt. % Si, where the (wt. % Mg)/(wt. % Si) is from 1.30 to 1.90, 0.275-0.50 wt. % Cu, and from 0.05 to 1.0 wt. % of at least one secondary element, wherein the secondary element is selected from the group consisting of V, Fe, Cr, Mn, Zr, Ti, and combinations thereof.Type: GrantFiled: August 1, 2016Date of Patent: March 17, 2020Assignee: ARCONIC INC.Inventors: Jen C. Lin, Anton J. Rovito, Timothy P. Doyle, Shawn P. Sullivan, Gabriele F. Ciccola, Christopher J. Tan
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Patent number: 10557186Abstract: Provided is a wrought aluminum alloy including 5.5 to 6.0 wt % of Zn, 2.0 to 2.5 wt % of Mg, 0.2 to 0.6 wt % of Cu, 0.1 to 0.2 wt % of Cr, at most 0.2 wt % (and more than 0 wt %) of Fe, at most 0.2 wt % (and more than 0 wt %) of Mn, at most 0.2 wt % (and more than 0 wt %) of Si, at most 0.1 wt % (and more than 0 wt %) of Ti, and at most 0.05 wt % (and more than 0 wt %) of Sr, with the remainder being Al.Type: GrantFiled: April 3, 2017Date of Patent: February 11, 2020Assignee: KOREA AUTOMOTIVE TECHNOLOGY INSTITUTEInventors: Si Young Sung, Beom Suck Han, Se Hoon Kim, Jae Hyuk Shin, Jin Pyeong Kim
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Patent number: 10553327Abstract: An aluminum alloy conductor wire has a composition comprising Mg: 0.1-1.0 mass %, Si: 0.1-1.20 mass %, Fe: 0.01-1.40 mass %, Zr: 0.01-0.50 mass %, Ti: 0-0.100 mass %, B: 0-0.030 mass %, Cu: 0-1.00 mass %, Ag: 0-0.50 mass %, Au: 0-0.50 mass %, Mn: 0-1.00 mass %, Cr: 0-1.00 mass %, Hf: 0-0.50 mass %, V: 0-0.50 mass %, Sc: 0-0.50 mass %, Co: 0-0.50 mass %, Ni: 0-0.50 mass %, and the balance: Al and inevitable impurities, where Ti, B, Cu, Ag, Au, Mn, Cr, Hf, V, Sc, Co and Ni are arbitrary additive components of which at least one component may be contained or none of the components may be contained. A density of a compound having a particle size of 0.5-5.0 ?m and containing Fe is 1 to 300 particles/10000 ?m2. Mg/Si ratio, which is a ratio of Mg in mass % to Si in mass %, is greater than 1.Type: GrantFiled: December 19, 2017Date of Patent: February 4, 2020Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Sho Yoshida, Ryosuke Matsuo, Shigeki Sekiya, Kengo Mitose
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Patent number: 10525782Abstract: A composite part for an air spring component of a motor vehicle includes a first element made of a first material and a second element made of a second material. The second element at least partially surrounds the first element. In the air spring component, the composite part can be bonded to at least one second component in an adhesive-bonded manner.Type: GrantFiled: November 18, 2015Date of Patent: January 7, 2020Assignee: VIBRACOUSTIC GMBHInventors: Sergej Derr, Joerg Hechenblaikner
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Patent number: 10525529Abstract: A coated article comprising: a substrate; and a coating on the substrate comprising: a metallic matrix comprising, by weight: Al as a largest constituent; 3.0-6.0 Cr; 1.5-4.0 Mn; 0.1-3.5 Co; and 0.3-2.0 Zr; and a filler and optionally porosity.Type: GrantFiled: January 27, 2017Date of Patent: January 7, 2020Assignee: United Technologies CorporationInventors: Pantcho P. Stoyanov, Christopher W. Strock, Thomas J. Watson
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Patent number: 10501829Abstract: A method for producing a structural sheet metal component formed from an aluminum alloy for a motor vehicle includes providing an aluminum sheet blank in a state T4 or T5 or T6 or T7, heating the aluminum sheet blank to a heating temperature between 100° C. and 450° C., forming the aluminum sheet blank to a structural sheet metal component, and heat post-treatment of the formed structural sheet metal component.Type: GrantFiled: April 25, 2012Date of Patent: December 10, 2019Assignee: BENTELER AUTOMOBILTECHNIK GMBHInventors: Friedrich Bohner, Jochen Dörr, Jochem Grewe
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Patent number: 10461441Abstract: An aluminum alloy element wire has a chemical composition including in mass percent: Mg: 0.3% or more and 0.9% or less, Si: 0.1% or more and 0.7% or less, Fe: 0.1% or more and 0.4% or less, at least one element selected from the group consisting of Cu, Cr, Ni, and Zr: 0.01% or more and 0.5% or less in total, and the balance being Al and unavoidable impurities. The aluminum alloy element wire has a surface roughness Ra in the range of 0.15 ?m or more and 2 ?m or less as measured with a non-contact surface roughness measuring machine. An aluminum alloy stranded wire includes a plurality of the aluminum alloy element wires twisted together. An automotive electric wire includes the aluminum alloy stranded wire. A wire harness includes the automotive electric wire, and a terminal crimped to the aluminum alloy stranded wire of the automotive electric wire.Type: GrantFiled: April 12, 2016Date of Patent: October 29, 2019Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Hiroyuki Kobayashi
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Patent number: 10415128Abstract: A method for manufacturing a part including steps of (1) casting an ingot, (2) scalping the ingot to yield a scalped ingot, (3) homogenizing the scalped ingot to yield a homogenized ingot, (4) breakdown of the homogenized ingot to yield a slab, (5) rolling the slab to yield a rolled aluminum material, (6) annealing the rolled aluminum material to yield an aluminum starting material, (7) cold working the aluminum starting material to obtain an aluminum cold worked material, and (8) forming the part from the aluminum cold worked material.Type: GrantFiled: June 11, 2018Date of Patent: September 17, 2019Assignee: The Boeing CompanyInventors: David H. Gane, Ryan J. Glamm, Gary R. Weber, Ricole A. Johnson, Terry C. Tomt, Azzreal Pugh, Daniel J. Kane, Peter D. Verge
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Patent number: 10273564Abstract: The present disclosure relates to aluminum based alloys and a method for producing the aluminum based alloys. The method comprises acts of, casting of the aluminum based alloy in a chilled casting mold. Then, aging the cast aluminum based alloy at a first predetermined temperature for a first predetermined time. The aging results in the formation of a first precipitate. Followed by this, solutionizing the aluminum based alloy at a second predetermined temperature for a second predetermined time such that the major alloying element is dissolved in aluminum matrix without much affecting the first precipitate. Then, aging the aluminum based alloy at a third predetermined temperature for a third predetermined time. The aging results in the formation of a second precipitate.Type: GrantFiled: December 26, 2014Date of Patent: April 30, 2019Assignee: INDIAN INSTITUTE OF SCIENCEInventors: Surendra Kumar M, Sukla Mondol, Subodh Kumar, Satyam Suwas, K. Chattopadhyay
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Patent number: 10167898Abstract: The invention relates to a sliding bearing composite comprising a carrier layer made of steel, an intermediate layer arranged on the carrier layer and made of aluminum or an aluminum alloy that is lead-free except for impurities, and a bearing metal layer arranged on the intermediate layer and made of an aluminum alloy that is lead-free except for impurities. Said aluminum alloy contains 6.0-10.0 wt. % tin, 2.0-4.0 wt. % silicon, 0.7-1.2 wt. % copper, 0.15-0.25 wt. % chromium, 0.02-0.20 wt. % titanium, 0.1-0.3 wt. % vanadium and optionally less than 0.5 wt. % other elements, the remaining portion being aluminum.Type: GrantFiled: June 6, 2014Date of Patent: January 1, 2019Assignee: Federal-Mogul Wiesbaden GmbHInventors: Karl-Heinz Lindner, Gerd Andler, Matthias Schnatz
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Patent number: 10030294Abstract: A method for manufacturing a part including steps of providing an aluminum starting material, wherein the aluminum starting material is in an anneal temper, cold working the aluminum starting material to obtain an aluminum cold worked material, and forming the part from the aluminum cold worked material.Type: GrantFiled: February 16, 2015Date of Patent: July 24, 2018Assignee: The Boeing CompanyInventors: David H. Gane, Ryan J. Glamm, Gary R. Weber, Ricole A. Johnson, Terry C. Tomt, Azzréal Pugh, Daniel J. Kane, Peter D. Verge
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Patent number: 10024611Abstract: Disclosed is an aluminum alloy material for a heat exchanger fin, the aluminum alloy material containing Si: 1.0% to 5.0% by mass, Fe: 0.1% to 2.0% by mass, and Mn: 0.1% to 2.0% by mass with balance being Al and inevitable impurities, wherein 250 pieces/mm2 or more to 7×104 pieces/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; and wherein 10 pieces/mm2 or more and 1000 pieces/mm2 or less of the Al—Fe—Mn—Si-based intermetallic compounds having equivalent circle diameters of more than 5 ?m are present in a cross-section of the aluminum alloy material. The aluminum alloy material may further contain one or more additive elements of Mg, Cu, Zn, In, Sn, Ti, V, Zr, Cr, Ni, Be, Sr, Bi, Na, and Ca.Type: GrantFiled: January 25, 2013Date of Patent: July 17, 2018Assignee: UACJ CorporationInventors: Kazuko Fujita, Akio Niikura, Takashi Murase
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Patent number: 10023943Abstract: An Al—Mg—Si-based aluminum alloy includes 0.015 to 0.12 mass % of Sr, the aluminum alloy producing a cast metal structure in which Mg2Si is crystallized in a fine agglomerate form.Type: GrantFiled: April 7, 2016Date of Patent: July 17, 2018Assignees: National University Corporation University of Toyama, Ahresty CorporationInventors: Seiji Saikawa, Gen Okazawa, Hiroshige Niwa, Kiyoshi Terayama, Susumu Ikeno, Emi Yanagihara, Shin Orii, Suguru Takeda
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Patent number: 9991024Abstract: An aluminum alloy wire rod comprising 0.1-1.0 mass % Mg; 0.1-1.0 mass % Si; 0.01-1.40 mass % Fe; 0.01-0.50 mass % Zr; 0.000-0.100 mass % Ti; 0.000-0.030 mass % B; 0.00-1.00 mass % Cu; 0.00-0.50 mass % Ag; 0.00-0.50 mass % Au; 0.00-1.00 mass % Mn; 0.00-1.00 mass % Cr; 0.00-0.50 mass % Hf; 0.00-0.50 mass % V; 0.00-0.50 mass % Sc; 0.00-0.50 mass % Co; and 0.00-0.50 mass % Ni, a Mg/Si ratio being greater than 1, wherein a dispersion density of an Mg2Si compound having a particle size of 0.5 ?m to 5.0 ?m is less than or equal to 3.0×10?3 particles/?m2, and in the sectional structure, a concentration of each of Mg and Si other than a compound is less than or equal to 2.00 mass %.Type: GrantFiled: April 10, 2017Date of Patent: June 5, 2018Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Shigeki Sekiya, Sho Yoshida, Kyota Susai, Kengo Mitose
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Patent number: 9957588Abstract: The present invention pertains to the field of metal alloy, and discloses an aluminum-zirconium-titanium-carbon grain refiner for magnesium and magnesium alloys, having a chemical composition of: 0.01%˜10% Zr, 0.01%˜10% Ti, 0.01%˜0.3% C, and Al in balance, based on weight percentage. Also, the present invention discloses the method for preparing the grain refiner. The grain refiner according to the present invention is an Al—Zr—Ti—C intermediate alloy having great nucleation ability and in turn excellent grain refining performance for magnesium and magnesium alloys, and is industrially applicable in the casting and rolling of magnesium and magnesium alloy profiles, enabling the wide use of magnesium in industries.Type: GrantFiled: October 23, 2014Date of Patent: May 1, 2018Assignee: SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO., LTD.Inventors: Xuemin Chen, Qingdong Ye, Yueming Yu, Jianguo Li
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Patent number: 9937554Abstract: The present invention pertains to the field of metal alloy, and relates a grain refiner for magnesium and magnesium alloys, which is an aluminum-zirconium-carbon (Al—Zr—C) intermediate alloy, having a chemical composition of: 0.01%˜10% Zr, 0.01%˜0.3% C, and Al in balance, based on weight percentage. Also, the present invention discloses the method for preparing the grain refiner. The grain refiner according to the present invention is an intermediate alloy having great nucleation ability and in turn excellent grain refining performance for magnesium and magnesium alloys, and is industrially applicable in the casting and rolling of magnesium and magnesium alloy profiles, enabling the wide use of magnesium in industries.Type: GrantFiled: April 22, 2011Date of Patent: April 10, 2018Assignee: SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO., LTD.Inventors: Xuemin Chen, Qingdong Ye, Yueming Yu, Jianguo Li
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Patent number: 9899118Abstract: An aluminum alloy wire rod has a composition including Mg: 0.10-1.0 mass %, Si: 0.10-1.20 mass %, Fe: 0.01-1.40 mass %, Ti: 0.000-0.100 mass %, B: 0.000-0.030 mass %, Cu: 0.00-1.00 mass %, Ag: 0.00-0.50 mass %, Au: 0.00-0.50 mass %, Mn: 0.00-1.00 mass %, Cr: 0.00-1.00 mass %, Zr: 0.00-0.50 mass %, Hf: 0.00-0.50 mass %, V: 0.00-0.50 mass %, Sc: 0.00-0.50 mass %, Co: 0.00-0.50 mass %, Ni: 0.00-0.50 mass %, and the balance: Al and incidental impurities, Mg/Si mass ratio being 0.4 to 0.8. The aluminum alloy wire rod has a tensile strength of greater than or equal to 200 MPa, an elongation of greater than or equal to 13%, a conductivity of 47% IACS, and a ratio (YS/TS) of 0.2% yield strength (YS) to the tensile strength (TS) of less than or equal to 0.7.Type: GrantFiled: August 23, 2016Date of Patent: February 20, 2018Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Sho Yoshida, Shigeki Sekiya, Kengo Mitose
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Patent number: 9875822Abstract: An aluminum alloy conductor wire has a composition comprising Mg: 0.1-1.0 mass %, Si: 0.1-1.20 mass %, Fe: 0.01-1.40 mass %, Ti: 0-0.100 mass %, B: 0-0.030 mass %, Cu: 0-1.00 mass %, Ag: 0-0.50 mass %, Au: 0-0.50 mass %, Mn: 0-1.00 mass %, Cr: 0-1.00 mass %, Zr: 0-0.50 mass %, Hf: 0-0.50 mass %, V: 0-0.50 mass %, Sc: 0-0.50 mass %, Co: 0-0.50 mass %, Ni: 0-0.50 mass %, and the balance: Al and inevitable impurities, where Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni are arbitrary additive components of which at least one component may be contained or none of the components may be contained. A density of a compound having a particle size of 0.5-5.0 ?m and containing Fe is 1 to 300 particles/10000 ?m2.Type: GrantFiled: November 16, 2016Date of Patent: January 23, 2018Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Sho Yoshida, Ryosuke Matsuo, Shigeki Sekiya, Kengo Mitose
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Patent number: 9677158Abstract: 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: GrantFiled: March 15, 2013Date of Patent: June 13, 2017Assignee: GM Global Technology Operations LLCInventors: Qigui Wang, Wenying Yang, Jason R. Traub
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Patent number: 9650706Abstract: An aluminum alloy wire rod has a composition consisting of 0.1-1.0 mass % Mg; 0.1-1.0 mass % Si; 0.01-1.40 mass % Fe; 0.000-0.100 mass % Ti; 0.000-0.030 mass % B; 0.00-1.00 mass % Cu; 0.00-0.50 mass % Ag; 0.00-0.50 mass % Au; 0.00-1.00 mass % Mn; 0.00-1.00 mass % Cr; 0.00-0.50 mass % Zr; 0.00-0.50 mass % Hf; 0.00-0.50 mass % V; 0.00-0.50 mass % Sc; 0.00-0.50 mass % Co; 0.00-0.50 mass % Ni; and the balance being Al and incidental impurities, wherein at least one or none of Ti, B, Cu, Ag, Au, Mn, Cr, Zr, —Hf, V, Sc, Co and Ni is contained in the composition. A dispersion density of an Mg2Si compound having a particle size of 0.5 ?m to 5.0 ?m is less than or equal to 3.0×10?3 particles/?m2. In a sectional structure, a concentration of each of Si and Mg other than a compound is less than or equal to 2.00 mass %.Type: GrantFiled: March 17, 2016Date of Patent: May 16, 2017Assignees: Furukawa Electric Co., Ltd., Furukawa Automotive Systems Inc.Inventors: Shigeki Sekiya, Sho Yoshida, Kyota Susai, Kengo Mitose
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Patent number: 9512510Abstract: A high-strength aluminum alloy material having a chemical composition which includes Zn: more than 7.2% (mass %, the same applies hereafter) and 8.7% or less, Mg: 1.3% or more and 2.1% or less, Cu: 0.01% or more and 0.10% or less, Zr: 0.01% or more and 0.10% or less, Cr: less than 0.02%, Fe: 0.30% or less, Si: 0.30% or less, Mn: less than 0.05%, Ti: 0.001% or more and 0.05% or less, the balance being Al and unavoidable impurities, is provided. It has a proof stress of 350 MPa or more, and a metallographic structure formed of a recrystallized structure, and L* and b* values, as defined in JIS Z8729 (ISO 7724-1), are 85 or more and 95 or less and 0 or more and 0.8 or less, respectively, as measured after anodization using a sulfuric acid bath.Type: GrantFiled: November 5, 2012Date of Patent: December 6, 2016Assignee: UACJ CORPORATIONInventor: Hidenori Hatta
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Patent number: 9453272Abstract: Aluminum-zirconium and aluminum-zirconium-lanthanide superalloys are described that can be used in high temperature, high stress and a variety of other applications. The lanthanide is preferably holmium, erbium, thulium or ytterbium, most preferably erbium. Also, methods of making the aforementioned alloys are disclosed. The superalloys, which have commercially-suitable hardness at temperatures above about 220° C., include nanoscale Al3Zr precipitates and optionally nanoscale Al3Er precipitates and nanoscale Al3(Zr,Er) precipitates that create a high-strength alloy capable of withstanding intense heat conditions. These nanoscale precipitates have a L12-structure in ?-Al(f.c.c.) matrix, an average diameter of less than about 20 nanometers (“nm”), preferably less than about 10 nm, and more preferably about 4-6 nm and a high number density, which for example, is larger than about 1021 m?3, of the nanoscale precipitates.Type: GrantFiled: March 12, 2015Date of Patent: September 27, 2016Assignee: NanoAl LLCInventors: Nhon Q Vo, David N Seidman, David C Dunand
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Patent number: 9431552Abstract: A metallization paste or ink for making electrical contacts on solar cells has reduced diffusion in a silicon wafer. The paste or ink is configured for printing on a crystalline silicon substrate of a solar cell, wherein the paste comprises silicon particles, aluminum particles, and a paste vehicle. Alternatively, the paste comprises aluminum-silicon alloy particles.Type: GrantFiled: February 25, 2013Date of Patent: August 30, 2016Assignee: Starsource Scientific LLCInventors: Yunjun Li, James P. Novak, Patrick Paul Ferguson, Mohshi Yang
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Patent number: 9397064Abstract: The invention is related to a bonding wire containing a core having a surface. The core contains aluminum as a main component and scandium in an amount between 0.05% and 1.0%.Type: GrantFiled: November 12, 2013Date of Patent: July 19, 2016Assignee: Heraeus Deutschland GmbH & Co. KGInventors: Eugen Milke, Sven Thomas, Ute Geissler, Martin Schneider-Ramelow
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Patent number: 9324471Abstract: An aluminum alloy wire rod has a composition consisting of 0.1-1.0 mass % Mg; 0.1-1.0 mass % Si; 0.01-1.40 mass % Fe; 0.000-0.100 mass % Ti; 0.000-0.030 mass % B; 0.00-1.00 mass % Cu; 0.00-0.50 mass % Ag; 0.00-0.50 mass % Au; 0.00-1.00 mass % Mn; 0.00-1.00 mass % Cr; 0.00-0.50 mass % Zr; 0.00-0.50 mass % Hf; 0.00-0.50 mass % V; 0.00-0.50 mass % Sc; 0.00-0.50 mass % Co; 0.00-0.50 mass % Ni; and the balance being Al and incidental impurities, wherein at least one or none of Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni is contained in the composition. A dispersion density of an Mg2Si compound having a particle size of 0.5 ?m to 5.0 ?m is less than or equal to 3.0×10?3 particles/?m2. Each of Si and Mg at a grain boundary between crystal grains of a parent phase has a concentration of less than or equal to 2.00 mass %.Type: GrantFiled: April 8, 2015Date of Patent: April 26, 2016Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Shigeki Sekiya, Sho Yoshida, Kyota Susai, Kengo Mitose
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Patent number: 8961714Abstract: A lightweight automobile suspension part having high strength is an aluminum alloy automobile suspension part having a through-hole, which has a yield strength of a normal section as a region where a crystal grain is not coarsened being 270 MPa or larger, and a minimum length between a rib end as a predetermined region on a side of the through-hole in a rib and a through-hole end as a predetermined region on a side of the through-hole in a web is 6 mm or larger.Type: GrantFiled: March 8, 2011Date of Patent: February 24, 2015Assignee: Kobe Steel, Ltd.Inventors: Shogo Sakamoto, Yoshiya Inagaki
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Publication number: 20150027595Abstract: An aluminum material for producing light-weight components includes aluminum (Al), scandium (Sc), zirconium (Zr) and ytterbium (Yb), where a weight ratio of scandium (Sc) to zirconium (Zr) to ytterbium (Yb) [Sc/Zr/Yb] is in a range from 10/5/2.5 to 10/2.5/1.25.Type: ApplicationFiled: July 23, 2014Publication date: January 29, 2015Inventor: Frank PALM
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Publication number: 20150013857Abstract: An aluminum alloy and a method for improving the ability of a semi-finished or finished product to age artificially, includes an age-hardenable aluminum alloy on an Al—Mg—Si, Al—Zn, Al—Zn—Mg or Al—Si—Mg basis, wherein the aluminum alloy is transformed to a solid solution state, in particular by solution heat treatment (1), is quenched and subsequently forms precipitations by a process of natural aging (3), the method involving at least one measure for reducing a negative effect of natural aging (3) of the aluminum alloy on artificial aging (4) thereof.Type: ApplicationFiled: February 22, 2013Publication date: January 15, 2015Applicant: AMAG ROLLING GMBHInventors: Peter J. Uggowitzer, Stefan Pogatscher, Helmut Antrekowitsch, Marion Werinos, Thomas Ebner, Carsten Melzer
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Publication number: 20150007909Abstract: This aluminum alloy sheet is a 6000-series aluminum alloy sheet of a specific composition which, after rolling, has undergone solution hardening and reheating as tempering treatments. The aluminum alloy sheet in differential scanning calorimetry gives a curve in which the exothermic-peak heights A, B, and C in respective specific temperature ranges have relationships within specific given ranges to thereby raise the increase in 0.2% proof stress through low-temperature short-time artificial age-hardening to 100 MPa or more.Type: ApplicationFiled: January 29, 2013Publication date: January 8, 2015Inventors: Katsushi Matsumoto, Yasuhiro Aruga, Hisao Shishido
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Publication number: 20140261907Abstract: 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: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: GM Global Technology Operations LLCInventors: Qigui Wang, Wenying Yang, Jason R. Traub
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Publication number: 20140251508Abstract: The invention relates to a cast part.Type: ApplicationFiled: September 14, 2012Publication date: September 11, 2014Applicant: KSM CASTINGS GROUP GMBHInventors: Lutz Wolkenstein, Klaus Greven
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Publication number: 20140224385Abstract: A method of manufacturing a turbocharger component for an internal combustion engine is disclosed. The method may include introducing a material into a mold, wherein the material includes at least one added alloying element. The method may further include applying a pressure to the material, and solidifying the material by cooling the material at a cooling rate, wherein the solidifying preserves an amount of the at least one added alloying element in solid solution in the material. The method may also include forming precipitates within the material by aging the material at an aging temperature.Type: ApplicationFiled: February 13, 2013Publication date: August 14, 2014Applicant: Caterpillar IncorporatedInventors: Nan YANG, Jeff Alan Jensen
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Publication number: 20140224523Abstract: An aluminium-based conductive material used in a driving part of robots or various devices and used, for example, in a wiring that is loaded with cyclic bending, as well as an electric wire and a cable using the same, contains 0.1 to 1.0 mass % of scandium and further contains, as a rest part, aluminium and unavoidable impure substances and is formed of a metal texture 10 having crystal grains 11 with an average grain size of 2 ?m or less and aluminium-scandium series nanoprecipitates generated in a grain boundary 12 of the crystal grains 11. Further, it is preferable that the metal texture 10 contains the crystal grains 11 of 1 ?m or less at a cross sectional ratio of 15% or more.Type: ApplicationFiled: September 4, 2012Publication date: August 14, 2014Applicants: FUKUOKA PREFECTURAL GOVERNMENT, DYDEN CORPORATIONInventors: Hiroyuki In, Fumiyo Annou, Daisuke Matsunaga, Hiromoto Kitahara, Shinji Ando, Masayuki Tsushida, Toshifumi Ogawa
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Publication number: 20140212324Abstract: Provided by the present invention are a fine crystallite high-function metal alloy member, a method for manufacturing the same, and a business development method thereof, in which a crystallite of a metal alloy including a high-purity metal alloy whose crystal lattice is a face-centered cubic lattice, a body-centered cubic lattice, or a close-packed hexagonal lattice is made fine with the size in the level of nanometers (10?9 m to 10?6 m) and micrometers (10?6 m to 10?3 m), and the form thereof is adjusted, thereby remedying drawbacks thereof and enhancing various characteristics without losing superior characteristics owned by the alloy.Type: ApplicationFiled: April 10, 2012Publication date: July 31, 2014Applicant: THREE-O CO., LTD.Inventor: Kazuo Ogasa
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Patent number: 8771441Abstract: An aluminum alloy comprising 2.1 to 2.8 wt. % Cu, 1.1 to 1.7 wt. % Li, 0.1 to 0.8 wt. % Ag, 0.2 to 0.6 wt. % Mg, 0.2 to 0.6 wt. % Mn, a content of Fe and Si less or equal to 0.1 wt. % each, and a content of unavoidable impurities less than or equal to 0.05 wt. % each and 0.15 wt. % total, and the alloy being substantially zirconium free.Type: GrantFiled: December 18, 2006Date of Patent: July 8, 2014Inventors: Bernard Bes, Herve Ribes, Christophe Sigli, Timothy Warner
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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: 20130301151Abstract: Substrates suitable for mirrors used at wavelengths in the EUV wavelength range have substrates (1) including a base body (2) made of a precipitation-hardened alloy, of an intermetallic phase of an alloy system, of a particulate composite or of an alloy having a composition which, in the phase diagram of the corresponding alloy system, lies in a region which is bounded by phase stability lines. Preferably, the base body (2) is made of a precipitation-hardened copper or aluminum alloy. A highly reflective layer (6) is preferably provided on a polishing layer (3) of the substrate (1) of the EUV mirror (5).Type: ApplicationFiled: July 19, 2013Publication date: November 14, 2013Inventors: Claudia EKSTEIN, Holger MALTOR
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Patent number: 8551267Abstract: Aluminum or aluminum alloy sputter targets and methods of making same are provided. The pure aluminum or aluminum alloy is mechanically worked to produce a circular blank, and then the blank is given a recrystallization anneal to achieve desirable grain size and crystallographic texture. A 10-50% additional strain is provided to the blank step after the annealing to increase the mechanical strength. Further, in a flange area of the target, the strain is greater than in the other target areas with the strain in the flange area being imparted at a rate of about 20-60% strain. The blank is then finished to form a sputtering target with desirable crystallographic texture and adequate mechanical strength.Type: GrantFiled: January 6, 2010Date of Patent: October 8, 2013Assignee: Tosoh SMD, Inc.Inventors: Weifang Miao, David B. Smathers, Robert S. Bailey