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차영광,이일회,주흥진,신태용,박경태,Cha, Young-Kwang,Lee, Il-Hoi,Ju, Heung-Jin,Shin, Tae-Yong,Park, Kyong-Tae 한국전기전자재료학회 2021 전기전자재료학회논문지 Vol.34 No.1
Copper-chromium alloys have been used as contact materials of vacuum interrupters in circuit breakers, but new materials with highly stable performance are required to break the high voltage and high current barrier due to the recent increase in breaking capacity. In this paper, a new contact material was fabricated from a ternary alloy instead of existing Cu-Cr alloys. Its breaking performance and endurance were verified from a synthetic test and compared with that of various contact materials. The test results verified that the breaking performance of the new contact material was excellent.