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    ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT WELDABILITY AND PROCESSED-PART CORROSION RESISTANCE AND METHOD OF MANUFACTURING SAME
    2.
    发明公开
    ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT WELDABILITY AND PROCESSED-PART CORROSION RESISTANCE AND METHOD OF MANUFACTURING SAME 审中-公开
    具有良好可焊接性和加工部分耐腐蚀性的锌合金镀层钢材及其制造方法

    公开(公告)号：EP3239347A1

    公开(公告)日：2017-11-01

    申请号：EP15873690.0

    申请日：2015-12-24

    申请人： Posco

    发明人： OH, Min-Suk ,  KIM, Sang-Heon ,  KIM, Tae-Chul ,  KIM, Jong-Sang ,  YUN, Hyun-Chu ,  YOO, Bong-Hwan ,  SOHN, ii-Ryoung

    IPC分类号： C23C2/06 ,  C23C2/02 ,  C23C2/16 ,  C23C2/28

    CPC分类号： C23C2/06 ,  C23C2/02 ,  C23C2/16 ,  C23C2/28 ,  C23C2/40

    摘要： Zn alloy plated steel material having excellent weldability and processed-part corrosion resistance and a method for production of Zn alloy plated steel material are provided. In the Zn alloy plated steel material comprising base steel material and a Zn alloy plating layer, the Zn alloy plating layer includes, by wt%, Al: 0.1-5.0%, Mg: 0.1-5.0%, as well as a remainder of Zn and inevitable impurities. The Zn alloy plated steel material includes a lower interface layer and an upper interface layer between the base steel material and the Zn alloy plating layer, wherein the lower interface layer is formed on the base steel material and has a dense structure, and the upper interface layer is formed on the lower interface layer and has a network-type or island-type structure.

    摘要翻译： 提供具有优良的焊接性和加工部分耐腐蚀性的Zn合金镀覆钢材以及生产Zn合金镀覆钢材的方法。 在包含基体钢材和Zn合金镀层的Zn合金镀覆钢材中，Zn合金镀层以重量百分比计包含Al：0.1-5.0％，Mg：0.1-5.0％，以及余量的Zn 和不可避免的杂质。 所述镀Zn合金钢材包括下界面层和基底钢材与锌合金镀层之间的上界面层，其中下界面层形成在基底钢材上，并具有致密结构，上界面 层形成在下界面层上并具有网络型或岛型结构。

    ZN ALLOY PLATED STEEL SHEET HAVING EXCELLENT PHOSPHATABILITY AND SPOT WELDABILITY AND METHOD FOR MANUFACTURING SAME
    4.
    发明公开
    ZN ALLOY PLATED STEEL SHEET HAVING EXCELLENT PHOSPHATABILITY AND SPOT WELDABILITY AND METHOD FOR MANUFACTURING SAME 审中-公开
    ZN合金镀层钢板具有优良的磷化能力和点焊接性能及制造方法

    公开(公告)号：EP3239346A1

    公开(公告)日：2017-11-01

    申请号：EP15873684.3

    申请日：2015-12-24

    申请人： Posco

    发明人： OH, Min-Suk ,  KIM, Sang-Heon ,  KIM, Tae-Chul ,  KIM, Jong-Sang ,  YOO, Bong-Hwan ,  YUN, Hyun-Chu

    IPC分类号： C23C2/06 ,  C23C2/28 ,  C23C2/16 ,  C23C2/40

    CPC分类号： C23C2/06 ,  C23C2/16 ,  C23C2/28 ,  C23C2/40

    摘要： A Zn alloy plated steel sheet having excellent phosphatability and spot weldability and a method for manufacturing the same are provided. In the Zn alloy plated steel sheet including a base steel sheet and a Zn alloy plating layer, the Zn alloy plating layer includes, by wt%, Al: 0.5-2.8%, Mg: 0.5-2.8%, and a remainder of Zn and inevitable impurities, and a cross-sectional structure of the Zn alloy plating layer includes, by area percentage, more than 50% of a Zn single phase structure and less than 50% of a Zn-Al-Mg-based intermetallic compound. A surface structure of the Zn alloy plating layer includes, by area percentage, 40% or less of a Zn single phase structure and 60% or more of a Zn-Al-Mg-based intermetallic compound.

    摘要翻译： 本发明提供一种磷化性和点焊性优异的镀Zn合金钢板及其制造方法。 在包括基底钢板和Zn合金镀层的Zn合金镀覆钢板中，Zn合金镀层按重量百分比包括：Al：0.5-2.8％，Mg：0.5-2.8％，其余的Zn和 不可避免的杂质和Zn合金镀层的横截面结构按面积百分比包括大于50％的Zn单相结构和小于50％的Zn-Al-Mg基金属间化合物。 Zn合金镀层的表面结构以面积百分率计包含40％以下的Zn单相结构和60％以上的Zn-Al-Mg基金属间化合物。