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US5698008A Contact material for vacuum valve and method of manufacturing the same 失效
真空阀的接触材料及其制造方法

Contact material for vacuum valve and method of manufacturing the same
摘要:
A contact material for a vacuum valve including, a conductive constituent including at least copper, an arc-proof constituent including at least chromium and an auxiliary constituent including at least one selected from the group consisting of tungsten, molybdenum, tantalum and niobium. The contact material is manufactured by quench solidification of a composite body of the conductive constituent, the arc-proof constituent and the auxiliary constituent.
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