Paper Title:
Electrode Lifetime in Spot Welding Galvanized Sheet with Insert Material
  Abstract

The effect of copper strips as an insert material on electrode failure has been studied during spot welding of galvanized sheets. The results showed that an extended electrode lifetime was obtained due to the use of copper strips between electrode and workpiece which prevented electrode from alloying with molten zinc and lowered the temperature of electrode tip. In addition, the presence of inserted copper strip increased the resistance of welding system, thus generated much more heat to form larger nugget The electrode degradation mechanism was basically caused by deformation at electrode tip and wear.

  Info
Periodical
Advanced Materials Research (Volumes 291-294)
Chapter
Welding & Joining
Edited by
Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu
Pages
915-918
DOI
10.4028/www.scientific.net/AMR.291-294.915
Citation
G. W. Shuai, P. Fang, Z. H. Guo, "Electrode Lifetime in Spot Welding Galvanized Sheet with Insert Material", Advanced Materials Research, Vols. 291-294, pp. 915-918, 2011
Online since
July 2011
Export
Price
$32.00
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