吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (03): 709-0713.

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Numerical simulation of RSW temperature field during mild steel LB-RSW

LI Yong-qiang1,2, ZHAO He3, ZHAO Xi-hua2, ZHANG Wei-hua2   

  1. 1.Technology Department, FAW CAR Co.,Ltd, Changchun 130012,China|2.College of Materials Science and Engineering, Jilin University, Changchun 130022,China|3.State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin, 150001,China
  • Received:2009-01-03 Online:2010-05-01 Published:2010-05-01

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Abstract:

The thermo-structural and thermo-electrical coupling analyses during the resistance seam welding(RSW) process in the laser beamresistance seam welding(LB-RSW) were performed using the software ANSYS to simulate the effects of RSW current, welding speed and RSW wheel space on the RSW temperature field in mild steel. The results showed that the electrode pressure on the RSW wheel can control the clearance between welded plates effectively, and increase of RSW current, decrease of welding speed and increase of wheel space all lead to increase of the surface temperature of the welded mild steel plates, the temperature gradient, and the temperature change rate. The simulated results are in a good agreement with measering ones by thermal image formation technique, providing a basis for prediction of optimal matching between the laser beam and electric resistance heat sources and the study of mechanism of LB-RSW.

Key words: materials synthesis and processing technology, resistance seam welding(RSW), laser beam-resistance seam welding(LB-RSW), temperature field, numerical simulation

CLC Number: 

  • TG456.9
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