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Influence of welding sequence on welding residual stress of vibration welding
Pages: 73-76+6
Year: Issue:  4
Journal: Welding Technology

Keyword:  vibrating seatwelding sequencesdistribution of residual stressnumerical simulation;
Abstract: The welding residual stress had great influence on the performance and service life of the machine, and it was very important to study the residual stress distribution of the vibrating seat. By means of welding numerical simulation, the welding residual stress distribution in different welding sequences were optimized to obtain the residual stress distribution of the vibrating seat. At the same time, the validity of the finite element model was verified by the experimental method. The results showed that the peak value of residual stress was minimum by the method of symmetrical welding. By changing the welding sequences, the distribution of residual stress changed,while the peak value almost doesn’ t change. The results were attractive for the knowledge and the control of the welding residual stress in the follow-up technic.
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