Cu-Cr合金触头材料制备技术的研究进展

Development of Manufacture Technology for Cu-Cr Contact Materials

Cu-Cr合金是新一代中压大功率真空开关触头材料之一,有着广泛的应用前景。本文综合述评了Cu-Cr合金的几种传统制备方法,粉末烧结法、熔渗法和电弧熔炼法,以及制备新技术真空感应熔炼法、自蔓延熔铸法、机械合金化法等工艺方法,分析了它们的优缺点及研究现状,并指出了Cu-Cr合金发展趋势。

Cu-Cr alloy is one of the medium voltage and high power contact materials for vacuum switchgear. It has a wide application prospect. The traditional manufacture technology, such as powder sintering, molten metal infiltrating and arc-melting are summarized. The recent manufacture processes, such as vacuum inductive melting, SHS casting, mechanical alloying are introduced. The advantages and disadvantages of these manufacture technology are also discussed. Moreover, the trend of development of Cu-Cr alloy is pointed out as well.