【摘要】 介绍了热等离子体技术的简单原理及其在制造真空开关用铜铬触头材料中的应用,对现阶段采用粉末冶金及真空熔炼等工艺制造铜铬触头材料的特点和存在的问题作了简单的评述。更多还原

【Abstract】 Principles of plasma technology and its applications in produc-ing vaccuum circuit breaker CuCr contact materials are introduced briefly in this paper. Advantages and existing problems of powder metallurgy and vacuum arc melt-ing adopted in present stage are reviewed.更多还原