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公开(公告)号：US20220298606A1
公开(公告)日：2022-09-22
申请号：US17639119
申请日：2020-06-16
发明人： Shinya MIWA , Katsumi FUKAYA , Hiroshi HORIKAWA , Izumi YAMAMOTO
摘要： The present invention provides a bright aluminum alloy which has high mechanical properties and in which the occurrence of uneven color is also suppressed to a high degree when an aluminum alloy die-cast material thereof that includes tungsten is subjected to anodization treatment. Also provided is a bright aluminum alloy die-cast material that is manufactured using said bright aluminum alloy. The aluminum alloy pertaining to the present invention includes 0.5-3.0% by mass of Mn, 0.1-2.0% by mass of Mg, 0.01-1.0% by mass of W, and 0.05-2.0% by mass of Si, the balance being aluminum and unavoidable impurities.
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公开(公告)号：US20220002845A1
公开(公告)日：2022-01-06
申请号：US17289436
申请日：2019-10-30
发明人： Izumi YAMAMOTO , Tomohiro ISOBE , Hiroshi HORIKAWA
摘要： The present invention provides a non-heat-treatable aluminum alloy for die casting, which can exhibit good castability and is able to confer excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance on die cast aluminum alloy materials. Also, the present invention provides a die cast aluminum alloy material having excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance. An aluminum alloy for die casting of the present invention comprises Mg: 3.7 to 9.0% by mass and Mn: 0.8 to 1.7% by mass, with the balance being Al and unavoidable impurities. It is preferable that the Mn content is 0.9 to 1.7% by mass and the Mg content is 4.7 to 9.0% by mass.
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公开(公告)号：US20220316034A1
公开(公告)日：2022-10-06
申请号：US17639150
申请日：2020-06-16
发明人： Shinya MIWA , Katsumi FUKAYA , Hiroshi HORIKAWA , Izumi YAMAMOTO
摘要： The present invention provides a photoluminescent aluminum alloy which exhibits high mechanical properties and which suppresses, to a high degree, the occurrence of color unevenness in cases where a tungsten-containing aluminum alloy die-cast material is subjected to anodization. Also provided is a photoluminescent aluminum alloy die-cast material produced using the photoluminescent aluminum alloy. This aluminum alloy contains 0.5-3.0 mass % of Mn, 0.3-2.0 mass % of Mg, 0.01-1.0 mass % of W and 1.0-3.0 mass % of Zn, with the remainder comprising aluminum and unavoidable impurities.
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公开(公告)号：US20220170137A1
公开(公告)日：2022-06-02
申请号：US17439997
申请日：2020-03-06
发明人： Izumi YAMAMOTO , Tomohiro ISOBE , Hiroshi HORIKAWA
IPC分类号： C22C21/02
摘要： Provided are a non-heat-treated aluminum alloy which has excellent casting properties and is high in both strength and toughness, and an aluminum alloy die casting material which is high in both strength and toughness, and which, in addition to having minimal difference in characteristics between regions thereof, is not prone to be affected by aging. An aluminum alloy comprises Si: 5.0 to 12.0% by mass, Mn: 0.3 to 1.9% by mass, Cr: 0.01 to 1.00% by mass, Ca: 0.001 to 0.050% by mass, with the balance being Al and unavoidable impurities, and the content of Mg in the unavoidable impurities being less than 0.3% by mass.
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公开(公告)号：US20190186410A1
公开(公告)日：2019-06-20
申请号：US16327279
申请日：2016-08-29
发明人： Izumi YAMAMOTO , Kazuhiro ODA , Hiroshi HORIKAWA , Katsumi FUKAYA , Takashi SEKI , Tadashi WATANABE
CPC分类号： F02F3/0084 , C22C21/02 , C22F1/043
摘要： An aluminum alloy having excellent high temperature strength and thermal conductivity; and an internal combustion engine piston including the alloy. The aluminum alloy includes 11.0-13.0% Si, ≤0.3% Fe, 0.3-2.0% Mg, 2.0-5.0% Cu, 3.0-4.0% Ni, 0.2-1.0% Mn, 0.05-0.4% Cr, and 0.05-0.4% V, with the remainder including aluminum and unavoidable impurities.
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公开(公告)号：US20180094338A1
公开(公告)日：2018-04-05
申请号：US15565940
申请日：2016-04-14
发明人： Izumi YAMAMOTO , Kazuhiro ODA , Hisayasu KOJIMA , Naoko SATO , Ryo WAKABAYASHI , Akito TANIHATA
CPC分类号： C22C21/02 , B22D17/00 , B22D21/007 , B22D27/04 , B22D27/20 , C22C21/04 , C22F1/00 , C22F1/043 , F02F3/0084
摘要： An aluminum alloy casting excellent in high temperature strength and thermal conductivity, a method of producing the same, and an aluminum alloy piston for internal combustion engine using this casting. An aluminum alloy casting having a chemical composition comprising Si: 12.0 to 13.5 mass % Cu: 4.5 to 5.5 mass % Mg: 0.6 to 1.0 mass % Ni: 0.7 to 1.3 mass % Fe: 1.15 to 1.25 mass % Ti: 0.10 to 0.2 mass % P: 0.004 to 0.02 mass % and a balance of Al and unavoidable impurities, wherein in an observed field of view of 0.2 mm2, the major axis length of the Al—Fe—Si based crystallites is 100 μm or less by average length of 10 crystallites from the largest down. The method for producing the casting comprising casting a melt of aluminum alloy having the above chemical composition at cooling rate of 100° C./sec or more, then performing aging treatment.
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