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    • 18. 发明授权
    • High-mechanical strength copper alloy
    • 高机械强度铜合金
    • US06893514B2
    • 2005-05-17
    • US09966389
    • 2001-09-27
    • Takayuki UsamiTakao Hirai
    • Takayuki UsamiTakao Hirai
    • C22C9/06C22F1/08H01H1/025H01R13/03
    • C22C9/06C22F1/08
    • A high-mechanical strength copper alloy, which comprises Ni 3.5 to 4.5% by mass, Si 0.7 to 1.0% by mass, Mg 0.01 to 0.20% by mass, Sn 0.05 to 1.5% by mass, Zn 0.2 to 1.5% by mass, and S less than 0.005% by mass (including 0% by mass), with the balance being made of Cu and inevitable impurities, wherein a crystal grain diameter is from more than 0.001 mm to 0.025 mm; and the ratio (a/b), between a longer diameter a of a crystal grain on a cross section parallel to a direction of final plastic-working, and a longer diameter b of a crystal grain on a cross section perpendicular to the direction of final-plastic working, is 1.5 or less, and wherein the alloy has a tensile strength of 800 N/mm2 or more.
    • 一种高机械强度的铜合金,其含有3.5〜4.5质量%的Ni,Si:0.7〜1.0质量%,Mg:0.01〜0.20质量%,Sn:0.05〜1.5质量%,Zn:0.2〜1.5质量% S小于0.005质量%(包含0质量%),余量由Cu和不可避免的杂质构成,其中晶粒直径大于0.001mm至0.025mm; 以及与最终塑性加工方向平行的截面上的晶粒的长径a与垂直于所述最终塑性加工方向的截面的截面上的晶粒的长径b之间的比率(a / b) 最终塑性加工为1.5以下,合金的拉伸强度为800N / mm 2以上。