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    ALUMINIUM ALLOY FREE FROM SI PRIMARY PARTICLES
    3.
    发明申请
    ALUMINIUM ALLOY FREE FROM SI PRIMARY PARTICLES 审中-公开
    铝合金不含主要颗粒

    公开(公告)号：US20130302643A1

    公开(公告)日：2013-11-14

    申请号：US13945431

    申请日：2013-07-18

    申请人： Gerd-Ulrich Grün ,  Hartmut Janssen ,  Katrin Kuhnke ,  Werner Droste

    发明人： Gerd-Ulrich Grün ,  Hartmut Janssen ,  Katrin Kuhnke ,  Werner Droste

    IPC分类号： B23K35/28 ,  C22C1/02 ,  C22C21/02

    CPC分类号： B23K35/288 ,  C22C1/026 ,  C22C1/03 ,  C22C21/02 ,  C22C21/04 ,  C22F1/043 ,  Y10T428/12764

    摘要： The invention relates to an aluminium alloy, and aluminium alloy product consisting at least in part of an aluminium alloy, an ingot formed from an aluminium alloy, and also a method for producing an aluminium alloy. An improved soldering process is achieved by an AlSi aluminium alloy that has the following proportions of alloy components in percentage by weight: 4.5%≦Si ≦12%, P≦10 ppm, B≦10 ppm, 30 ppm≦Ti≦240 ppm,  Fe ≦0.8%, Cu ≦0.3%, Mn≦0.10%, Mg ≦2.0%, Zn≦0.20%, Cr≦0.05%, the remainder being Al and unavoidable impurities, individually at most 0.05% by weight and in total at most 0.15% by weight, wherein the aluminium alloy is free from Si primary particles with a size of more than 10 μm.

    摘要翻译： 本发明涉及一种铝合金和至少部分由铝合金构成的铝合金产品，由铝合金形成的锭，以及铝合金的制造方法。 通过AlSi铝合金获得改进的焊接工艺，AlSi铝合金具有以下重量百分比的合金组分：4.5％@Si @ 12％，P @ 10ppm，B @ 10ppm，30ppm @ Ti @ 240ppm， Fe @ 0.8％，Cu @ 0.3％，Mn≤0.10％，Mg 2.0％，Zn @ 0.20％，Cr≤0.05％，余量为Al和不可避免的杂质，最多为0.05重量％ 0.15重量％，其中铝合金不含大于10μm的Si一次粒子。

    Flux-free Joining of Aluminium Composite Materials
    8.
    发明申请
    Flux-free Joining of Aluminium Composite Materials 审中-公开
    无焊接铝合金复合材料

    公开(公告)号：US20160325367A1

    公开(公告)日：2016-11-10

    申请号：US15177581

    申请日：2016-06-09

    申请人： Kathrin Eckhard ,  Olaf Güßgen ,  Hartmut Janssen

    发明人： Kathrin Eckhard ,  Olaf Güßgen ,  Hartmut Janssen

    IPC分类号： B23K1/00 ,  B23K35/02 ,  F28F21/08 ,  C22C21/02 ,  C23G1/12 ,  F28F1/12 ,  B23K1/19 ,  B23K35/28

    摘要： Use of an aluminium composite material in a thermal joining method, said material consisting of at least one aluminium core alloy and at least one external brazing layer consisting of an aluminium brazing alloy provided on one or both sides of the aluminium core alloy, wherein the aluminium brazing layer has a pickled surface. Reduced costs and a lower environmental impact is achieved by using an aluminium composite material in which the pickled surface of the aluminium brazing layer had been pickled by pickling with an acid, aqueous pickling solution containing at least one mineral acid and at least one complex-forming agent or a complexing mineral acid, wherein the removal of material in the pickling is between 0.05 g/m2 and 6 g/m2, the aluminium composite material is used in a flux-free, thermal joining method, and the joining method is carried out in the presence of a protective gas.

    摘要翻译： 在热接合方法中使用铝复合材料，所述材料由至少一个铝芯合金和至少一个外壳钎焊层组成，所述至少一个外部钎焊层由在铝芯合金的一侧或两侧上提供的铝钎焊合金组成，其中铝 钎焊层具有酸洗表面。 通过使用铝复合材料来实现降低成本和降低环境影响，其中铝钎焊层的酸洗表面通过酸洗酸洗，含有至少一种无机酸的水性酸洗液和至少一种络合物形成 代理或络合无机酸，其中在酸洗中去除材料为0.05g / m 2至6g / m 2，铝复合材料以无助焊剂热接合方法使用，并且进行接合方法 在有保护气体的情况下。