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什么是电接触复合质料？？？？？？？？

Release time：2014.01.08

Publisher：Hongfeng

即两种或两种以上差别性子的质料组成的具有优异综合性能的电接触质料，，，，，，，如AgSnO2电接触复合质料，，，，，，，Ag具有优良的导电性、导热性，，，，，，，但熔点、硬度低，，，，，，，SnO2具有高熔点、高硬度，，，，，，，可以填补Ag的上述缺陷。。。。。。现在普遍应用的主要是银镍、银钨、银金属氧化物、银石墨等电接触复合质料。。。。。。

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