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DENG Dean, MURAKAWA Hidekazu, MA Ningxu. Influence of TRIP on calculated results of residual stress in a low temperature transformation steel joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2014, 35(8): 9-12.
Citation: DENG Dean, MURAKAWA Hidekazu, MA Ningxu. Influence of TRIP on calculated results of residual stress in a low temperature transformation steel joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2014, 35(8): 9-12.
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Influence of TRIP on calculated results of residual stress in a low temperature transformation steel joint

  • 1.

    College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China

  • 2.

    Joining and Welding Research Institute, Osaka University, Osaka 567-0047, Japan

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  • Received Date: January 14, 2014
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    • Abstract
  • In this study, a computational approach based on JWRIAN software was developed to predict welding residual stress in low temperature transformation(LTT) steel joint with considering solid-state phase transformation. The main objective was to clarify the influences of volume change, yield strength variation and transformation induced plasticity(TRIP) on the welding residual stress by means of the developed numerical method. Numerical results indicate that both volume change and yield strength variation during austenite-martensite have significant influences on the formation of welding residual stress in the LTT steel joint. In addition, TRIP also has somewhat influence on the welding residual stress, and it can relax the change tendency of both longitudinal and transverse stresses during phase transformation to some extent.
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