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    METHOD FOR PRODUCING AL ALLOY JOINED BODY
    3.
    发明公开
    METHOD FOR PRODUCING AL ALLOY JOINED BODY 审中-公开
    HERSTELLUNGSVERFAHRENFÜREINEN MIT EINER AL-LEGIERUNG VERBUNDENKÖRPER

    公开(公告)号：EP2592170A4

    公开(公告)日：2017-06-28

    申请号：EP11792566

    申请日：2011-06-10

    申请人： SHOWA DENKO KK

    发明人： TAKEMURA HIDEKI ,  FUJITA TAKAHIRO

    IPC分类号： C22F1/053 ,  A63B53/04 ,  B21J1/00 ,  B21J5/00 ,  B22D11/00 ,  B22D11/12 ,  B22D11/20 ,  B32B15/01 ,  C22C21/10

    CPC分类号： C22C21/10 ,  A63B53/04 ,  A63B2209/00 ,  B21J1/00 ,  B22D11/003 ,  B22D11/1213 ,  B23K2203/10 ,  B32B15/016 ,  C22F1/053

    摘要： A method for efficiently producing a strong and light Al alloy joined body is provided. The method for producing an Al alloy joined body of the present invention includes a step of obtaining an Al alloy melt having a predetermined alloy composition, a step of obtaining an Al alloy ingot having a predetermined composition by continuously casting the Al alloy melt, a step of obtaining an Al alloy cast member by subjecting the Al alloy ingot to a homogenization treatment, a step of obtaining an Al alloy forged member by subjecting the Al alloy cast member to hot forging, a step of subjecting the Al alloy forged member to a solution heat treatment, a step of subjecting teal alloy forged member after the solution heat treatment to a single-step aging treatment, and a step of obtaining an Al alloy joined body by welding the Al alloy forged member after the single-step aging treatment with an Al alloy component to be joined.

    摘要翻译： 提供了一种有效生产强而轻的铝合金接合体的方法。 本发明的Al合金接合体的制造方法包括：获得具有规定的合金组成的Al合金熔液的工序;连续铸造Al合金熔液，得到规定组成的Al合金铸块的工序; 通过对所述Al合金铸块进行均质化处理而得到Al合金铸造构件的工序;对所述Al合金铸造构件进行热锻造而得到Al合金锻造构件的工序;对所述Al合金锻造构件进行溶液化的工序 热处理，在固溶化热处理后对经过热处理的二次合金锻造构件进行单阶段时效处理的工序，以及在一次时效处理后通过焊接Al合金锻造构件而得到铝合金接合体的工序 铝合金部件被接合。

    ALUMINUM ALLOY MATERIAL FOR FORGING
    4.
    发明公开
    ALUMINUM ALLOY MATERIAL FOR FORGING 审中-公开
    铝合金材质锻造

    公开(公告)号：EP2233595A4

    公开(公告)日：2012-01-04

    申请号：EP08865467

    申请日：2008-12-12

    申请人： SHOWA DENKO KK

    发明人： TAKEMURA HIDEKI

    IPC分类号： C22C21/12 ,  B21J5/00 ,  B21K1/76 ,  C22C21/14 ,  C22C21/16 ,  C22F1/00 ,  C22F1/057

    CPC分类号： C22F1/057 ,  B21J5/00 ,  B21K1/76 ,  C22C21/14 ,  C22C21/16

    摘要： An aluminum alloy forging material of the present invention is constituted by an aluminum alloy cast product obtained by subjecting an aluminum alloy ingot having a structure in which a secondary dentrite arm spacing (DAS) is 40 µm or less and an average grain diameter of crystallized substances is 8 µm or less to homogenization treatment for holding the ingot for one hour or more under temperature conditions of 450 to 510 °C, wherein the ingot is obtained by continuously casting a molten aluminum alloy having an alloy composition consisting of: Si: 0.80 to 1.15 mass%; Fe: 0.2 to 0.5 mass%; Cu: 3.8 to 5 mass%; Mn: 0.8 to 1.15 mass%; Mg: 0.5 to 0.8 mass%; Zr: 0.05 to 0.13 mass%; and Ti contained in such an amount that a sum of Ti and Zr is 0.2 mass% or less, and the balance being Al and inevitable impurities, wherein the alloy composition satisfies a Cu/Mg ratio of 8 or less, Ti is added in a form of an Al master alloy (5Ti-lB mother alloy) in which Ti and B are contained at a ratio of 5:1, and a Ti/Zr ratio satisfies 0.3 or higher.