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    • 26. 发明公开
    • Corrosion-resistant clad material made of aluminum alloy
    • Korrosionsbeständigesplattiertes材料aus Aluminiumlegierung。
    • EP0492796A2
    • 1992-07-01
    • EP91310696.9
    • 1991-11-20
    • HONDA GIKEN KOGYO KABUSHIKI KAISHASHOWA ALUMINUM KABUSHIKI KAISHA
    • Kawabe, TsuyoshiHayashi, TadayoshiTakeuchi, ToshihiroOtsuka, RyotyatsuIwai, IchiroTsukuda, IchizoInoue, SusumuKobori, KazuhiroYuasa, Hideko
    • B32B15/01
    • B32B15/016F28F19/06Y10S165/905Y10T428/12764
    • A corrosion-resistant clad material is made of aluminum alloys, and in a preferable mode, comprises: a core which is either formed of an Al-Mn alloy containing 0.5 - 1.5 % by weight of Mn; or alternatively formed of an Al-Mg-Si alloy containing 0.05 - 1.0 % by weight of Mg and 0.05 - 0.3 % by weight of Si. The Al-Mn alloy and Al-Mg-Si alloy further contain, as additional components, 0.05 - 0.3 % by weight of Ti and/or 0.05 - 0.4 % by weight of Zr. The clad material further comprises skin layers which are formed of an AI-Zn alloy clad onto at least one surface of the core. In another preferable mode, the clad material comprises: a core formed of an Al-Mn alloy containing 0.5 - 1.5 % by weight of Mn; and skin layers clad onto at least one surface of the core and formed of an aluminum alloy containing 1.3 - 5.0 % by weight of Zn, with or without 0.2 - 1.0 % by weight of Mg, and a balance of aluminum and unavoidable impurities. Cu content as one of the impurities is controlled to 0.05 % by weight or less, with the skin layers having a thickness of 30 µm or less.
    • 耐蚀包层材料由铝合金制成,在优选的模式中,包括:由含有0.5-1.5重量%的Mn的Al-Mn合金形成的芯; 或者由包含0.05-1.0重量%的Mg和0.05-0.3重量%的Si的Al-Mg-Si合金形成。 Al-Mn合金和Al-Mg-Si合金还含有0.05-0.3重量%的Ti和/或0.05-0.4重量%的Zr作为附加组分。 包覆材料还包括由Al-Zn合金形成的表层,其覆盖在芯的至少一个表面上。 在另一优选方式中,包层材料包括:由含有0.5-1.5%(重量)Mn的Al-Mn合金形成的芯; 并且表层包覆在芯的至少一个表面上,并由含有1.3-5.0重量%Zn的铝合金形成,有或没有0.2-1.0重量%的Mg,余量的铝和不可避免的杂质。 将作为杂质之一的Cu含量控制在0.05重量%以下,表皮层的厚度为30μm以下。