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Cu alloy material, method of manufacturing Cu alloy conductor using the same, Cu alloy conductor obtained by the method, and cable or trolley wire using the Cu alloy conductor
Cu alloy material, method of manufacturing Cu alloy conductor using the same, Cu alloy conductor obtained by the method, and cable or trolley wire using the Cu alloy conductor
A method of manufacturing a Cu alloy conductor comprises the steps of: adding and dissolving In of 0.1-0.7 weight % to a Cu matrix containing oxygen of 0.001-0.1 weight % (10-1000 weight ppm) to form a molten Cu alloy, performing a continuous casting with the molten Cu alloy, rapidly quenching a casting material to a temperature by at least 15° C. or more lower than a melting point of molten Cu alloy, controlling the casting material at a temperature equal to or lower than 900° C., and performing a plurality of hot rolling processes to the casting material such that a temperature of a final hot rolling is within a range of from 500 to 600° C. to form the rolled material.
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