电阻点焊电极的研究进展与发展趋势  

Research Progress and Trends in Resistance Spot Welding Electrode

作　　者：帅歌旺[1] 周平建 刘建彬[1] 

机构地区：[1]南昌航空大学航空制造工程学院,南昌330063

出　　处：《材料导报》2015年第7期59-62,70,共5页Materials Reports

基　　金：国家自然科学基金(51305193)

摘　　要：电极是电阻点焊工作过程中最关键的部件,电极性能的优劣直接影响点焊的焊接质量和焊接效率。介绍了点焊电极的失效形式和失效机理,分别论述了点焊电极成分、强化工艺和结构设计以及点焊工艺和被焊件材料对电极性能的影响,提出了改善点焊电极寿命的未来研究发展趋势。The electrode is the key part in the process of resistance spot welding. The welding quality and welding efficiency are directly affected by electrode performance. The failure modes and failure mechanisms of spotwelding electrode is introduced. The influences of electrode composition of spot welding, reinforcement technology, structure design and welding process, welding materials on the electrode performance are respectively discussed. The future research trend about improving the life of spot welding electrodes is put forward.

关 键 词：点焊电极 失效机理 强化工艺 电极结构 

分 类 号：TG453[金属学及工艺—焊接]