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<p>Friction stir welding (FSW) offers a solution for maintaining a balanced duplex microstructure and enhancing sound weld performance during joining duplex stainless steel SAF2205, while the intrinsic features caused by thermo-mechanical coupling effect are still not clear and hardly clarified by experimental methods. Based on coupled Eulerian and Lagrangian (CEL) method in ABAQUS, a numerical model was developed to explore the temperature and strain behaviors during FSW of DSS. Furthermore, a newly designed wireless temperature measurement system was adopted to validate the high accuracy of simulation results. The low peak temperature coupled with asymmetrical feature and gradient distribution characteristics for both temperature and strain significantly contributes to the high-quality weld.</p>

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Temperature Field Simulation of Friction Stir Welding of Duplex Stainless Steel SAF2205

  • 期刊论文

  • 发表日期：

    2025年9月23日

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  • Xin Li,
  • Fujun Cao,
  • Dong Zhu,
  • Yanbo Li,
  • Zhenyu Han,
  • Tao Sun

摘要

Friction stir welding (FSW) offers a solution for maintaining a balanced duplex microstructure and enhancing sound weld performance during joining duplex stainless steel SAF2205, while the intrinsic features caused by thermo-mechanical coupling effect are still not clear and hardly clarified by experimental methods. Based on coupled Eulerian and Lagrangian (CEL) method in ABAQUS, a numerical model was developed to explore the temperature and strain behaviors during FSW of DSS. Furthermore, a newly designed wireless temperature measurement system was adopted to validate the high accuracy of simulation results. The low peak temperature coupled with asymmetrical feature and gradient distribution characteristics for both temperature and strain significantly contributes to the high-quality weld.