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SUN Haitao, ZHANG Yansong, LAI Xinmin, CHEN Guanlong. Comparison of joint performance between weld-bonding and resistance spot welding of dual-phase steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (10): 17-20.
Citation: SUN Haitao, ZHANG Yansong, LAI Xinmin, CHEN Guanlong. Comparison of joint performance between weld-bonding and resistance spot welding of dual-phase steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (10): 17-20.

Comparison of joint performance between weld-bonding and resistance spot welding of dual-phase steel

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  • Received Date: July 13, 2008
  • The joint performances between weld-bonding and resistance spot welding(RSW) are compared by tensile-shear force of nuggets, microstructure of nuggets, dynamic resistance curves and weld lobes.Experimental results show that the tensile-shear force of weld-bonded nuggets is much higher than that of spot-welded nuggets when lower welding current is used;oppositely tensile-shear force of spot-welded nuggets is a little higher than that of weld-bonded nuggets when higher welding current is used, but severe spatter will occur.Therefore, lower welding current in weld-bonding of steel comparing with that of RSW and larger electrode force during welding will inhibit spatter.
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