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ZHANG Xuqiang, ZHANG Yansong, CHEN Guanlong. Effect of pitting on electrode life in spot welding hot galvanization steel with high strength[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (6): 13-16.
Citation: ZHANG Xuqiang, ZHANG Yansong, CHEN Guanlong. Effect of pitting on electrode life in spot welding hot galvanization steel with high strength[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (6): 13-16.
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Effect of pitting on electrode life in spot welding hot galvanization steel with high strength

  • 1.

    School of Mechanical Engineering, Petroleum University of China, Dongying 257061, China

  • 2.

    School of Mechanical Engineering and Power, Shanghai Jiaotong University, Shanghai 200030, China

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  • Received Date: April 20, 2008
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    • Abstract
  • Finite element model of pitting during spot welding process was established to study the effect of pitting on temperature and stress distribution on electrode face,and corresponding experiments were carried out.The results show that higher temperature and pressure are produced at pitting area,which reduce electrode life.Micro-crack is also easily produced in pitting area at the higher temperature and pressure;through the crack,metal elements in galvanized coat are filtered into electrode,which accelerate electrode invalidation.
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