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	Electrode degradation mechanism during resistance spot welding of zinc coated steel using Cu-TiB2 electrodes
	Dong, SJ ; Zhou, N ; Cheng, CK ; Shi, YW ; Chang, BH
	2010-05-10 ; 2010-05-10
关键词	Cu-TiB2 electrodes electrode materials resistance spot welding TiB2 dispersion-reinforced copper-matrix composite zinc coated steels degradation mechanism GALVANIZED STEEL COMPOSITE Metallurgy & Metallurgical Engineering
中文摘要	The TiB2 dispersion-reinforced copper-matrix composite used as electrode material in resistance spot welding of zinc coated steels was studied. The service life of the composite electrode reaches 7 700 welds, which is 4 times that of the conventional Cu-Cr-Zr electrode. Little gross deformation is observed on the composite electrodes because of the higher thermal strength; therefore, it is believed that wear is the only mechanism for the composite electrode deterioration. However, both wear and plastic deformation are responsible for the large increase in the tip diameter of the Cu-Cr-Zr electrodes. Moreover, the large deformation of the Cu-Cr-Zr electrodes may contribute to the increased wear rate of the tips.
语种	英语 ; 英语
出版者	ALLERTON PRESS INC ; NEW YORK ; 18 WEST 27TH ST, NEW YORK, NY 10001 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/23629]
专题	清华大学
推荐引用方式 GB/T 7714	Dong, SJ,Zhou, N,Cheng, CK,et al. Electrode degradation mechanism during resistance spot welding of zinc coated steel using Cu-TiB2 electrodes[J],2010, 2010.
APA	Dong, SJ,Zhou, N,Cheng, CK,Shi, YW,&Chang, BH.(2010).Electrode degradation mechanism during resistance spot welding of zinc coated steel using Cu-TiB2 electrodes..
MLA	Dong, SJ,et al."Electrode degradation mechanism during resistance spot welding of zinc coated steel using Cu-TiB2 electrodes".(2010).

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