摘要
概述了电阻点焊过程中点焊电极的失效原因及铜基复合材料点焊电极的研究进展.重点介绍了点焊电极用弥散强化铜基复合材料、碳/铜复合材料和钨/铜复合材料的制备工艺和强化原理.并分析了目前点焊电极用铜基复合材料存在的一些问题.
The masons for failure of electrodes during spot welding and the latest research on copper matrix composites for electrodes are summarized in the paper. The processes and theories of fabrication of dispersed strengthened copper matrix composites and C/Cu composites and W/Cu composites for spot welding electrodes are introduced in detail. Furthermore, the present problems in copper matrix composites for spot welding electrodes are analyzed.
出处
《华东交通大学学报》
2007年第4期117-120,共4页
Journal of East China Jiaotong University
关键词
点焊
电极
铜基复合材料
碳/铜
钨/铜
spot welding
electrodes
copper matrix composites
C/Cu
W/Cu
