常见有色金属材料的导电率

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1、金属电阻率及其温度系数 有色金属的定义：元素周期表中除铁、铬、锰三种金属以外的所有金属元素的统称。物质温度t/℃电阻率电阻温度系数aR/℃-1银201.5860.0038(20℃)铜201.6780.00393(20℃)金202.400.00324(20℃)铝202.65480.00429(20℃)钙03.910.00416(0℃)铍204.00.025(20℃)镁204.450.0165(20℃)钼05.2铱205.30.003925(0℃~100℃)钨275.65锌205.1960.00419(0℃~100℃)钴20

2、6.640.00604(0℃~100℃)镍206.840.0069(0℃~100℃)镉06.830.0042(0℃~100℃)铟208.37铁209.710.00651(20℃)铂2010.60.00374(0℃~60℃)锡011.00.0047(0℃~100℃)铷2012.5铬012.90.003(0℃~100℃)镓2017.4铊018.0铯2020铅2020.684(0.0037620℃~40℃)锑039.0钛2042.0汞5098.4锰23~100185.0