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ZHANG Guodong, ZHOU Changyu. Effects of welding residual stress on creep of welded joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2007, (8): 99-102,107.
Citation: ZHANG Guodong, ZHOU Changyu. Effects of welding residual stress on creep of welded joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2007, (8): 99-102,107.
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Effects of welding residual stress on creep of welded joint

  • College of Mechanical and Power Engineering, Nanjing University of Technology, Nanjing 210009, China

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  • Received Date: September 25, 2006
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  • By the finite element analysis codes ABAQUS and the function of RESTART, a sequential coupling calculating program for creep based on welding residual stress has been developed by establishing the model of temperature field, residual field and creep analysis.The welding residual stress and creep of welded joint for Cr5Mo furnace tubes was simulated by this program.This method established the basis for calculating the effects of welding residual stress on the creep of welded joint.A creep comparison between the welded joint tubes with welding residual stress and with internal pressure was made.The results showed that the tube creep was decided by the welding residual stress, although the welding residual stress was relaxed in a short time.
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