| 微型点焊时电极表面熔敷TiC涂层对电极失效的影响 |
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| 引用本文： | 董仕节,ZHOU Norman. 微型点焊时电极表面熔敷TiC涂层对电极失效的影响[J]. 中国有色金属学报, 2005, 15(10): 1512-1519 |
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| 作者姓名： | 董仕节 ZHOU Norman |
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| 作者单位： | 1. 湖北汽车工业学院,材料工程系,十堰,442002
2. Department of Mechanical Engineering,University of Waterloo,Waterloo,Ontario N2L 3G1,Canada |
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| 基金项目： | 湖北省教育厅创新团队项目，教育部留学回国人员科研启动基金 |
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| 摘 要： | 研究了表面处理对微型点焊镀镍钢板和镍板时电极失效的影响.结果表明:微型点焊镀镍钢板和镍板时电极的失效主要是电极头部的塑性变形以及电极和镀镍板之间局部焊接的断裂发生在电极表面而导致的电极磨损;表面涂敷TiC的CuCrZr电极的寿命(1 200点)是CuCrZr电极寿命(600点)的两倍,表面处理能提高电极寿命的主要原因是表面涂敷的TiC颗粒能阻碍电极和镀镍板之间的局部焊接,以及减小电极表面的塑性变形.
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| 关 键 词： | 镀镍钢板 微型点焊 电极失效机制 表面处理 |
| 文章编号： | 1004-0609（2005）10-1512-08 |
| 收稿时间： | 2005-05-09 |
| 修稿时间： | 2005-08-08 |
Effect of TiC coating on electrode tip surface on electrode degradation during micro-resistance spot welding |
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| DONG Shi-jie,ZHOU Norman. Effect of TiC coating on electrode tip surface on electrode degradation during micro-resistance spot welding[J]. The Chinese Journal of Nonferrous Metals, 2005, 15(10): 1512-1519 |
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| Authors: | DONG Shi-jie ZHOU Norman |
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| Affiliation: | 1. Department of Materials Engineering, Hubei Automobile Industrial Institute, Shiyan 442002, China; 2. Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada |
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| Abstract: | |
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| Keywords: | nickel-plated steel micro-resistance spot welding electrode degradation mechanism surface treatment |
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