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Method for manufacturing electric contact material, electric contact material, and thermal fuse
Method for manufacturing electric contact material, electric contact material, and thermal fuse
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机译:电触头材料的制造方法,电触头材料和热熔断器
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摘要
A method for manufacturing an electric contact material is provided which can prevent it from being adhesively melted even when being exposed to high temperatures resulting from an arc induced by an electric current being turned on or off. Also an electric contact material which is manufactured by the method and a thermal fuse are provided.;A surface layer portion of an alloy containing 1 to 15 mass % of Cu, 0.01 to 0.7 mass % of Ni, and the remainder of Ag and unavoidable impurities is supplied with an amount of oxygen exceeding the amount of oxygen required for internal oxidation of Cu to form an oxygen concentrated layer. This alloy can serve as an electric contact material.;This electric contact material is formed into a movable electrode, which is in turn employed for a thermal fuse.
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