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    • 2. 发明公开
    • 가공이 용이한 고력 고도전성 구리합금
    • 易于操作的导电铜合金,具有高强度和高电导率
    • KR1020040038677A
    • 2004-05-08
    • KR1020030074083
    • 2003-10-23
    • 닛코 킨조쿠 가부시키가이샤
    • 간무리가쯔끼후까마찌가즈히꼬
    • C22C9/00
    • PURPOSE: To provide easily-workable conductive copper alloy with high strength and high electric conductivity which does not impair the action of so-called third element. CONSTITUTION: The copper alloy has a composition comprising 0.05 to 1.0 wt.% of Cr and 0.05 to 0.25 wt.% of Zr, and further comprising 0.01 to 1.0 wt.%, in total, of one or two or more selected from Zn, Sn, Mn, P, In, Mg, Fe, Ni, Be, Al, B, Co and Si, and the balance of Cu and inevitable impurities, wherein a total amount of Zn, Sn, Mn, P, In, Mg, Fe, Ni, Be, Al, B, Co and Si contained in an inclusion having a particle diameter of 2 μm or more is 5 wt.% or less.
    • 目的:提供高强度,高导电性的易于使用的导电铜合金,不会损害所谓的第三元素的作用。 构成:铜合金具有0.05〜1.0重量%的Cr和0.05〜0.25重量%的Zr的组成,进一步含有0.01〜1.0重量%的选自Zn, Sn,Mn,P,In,Mg,Fe,Ni,Be,Al,B,Co和Si,其余为Cu和不可避免的杂质,其中Zn,Sn,Mn,P,In,Mg, 包含在粒径为2μm以上的夹杂物中的Fe,Ni,Be,Al,B,Co和Si为5重量%以下。