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Numerical Analysis of Joint Temperature Evolution During Friction Stir Welding Based on Sticking Contact

机译：基于粘滞接触的搅拌摩擦焊接头温度演变数值分析

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摘要

A three-dimensional numerical model for friction stir welding was developed by using the ABAQUS software based on a fully sticking friction. The temperature measurement was performed to validate the reliability of the model. The simulated thermal histories are in good agreement with the experiments. Simulated results show that the rotation speed has no influence on the time to reach the peak temperature in the workpiece, while the welding speed has significant effect on the time to reach the peak temperature at points away from the plunging center. The value of this peak temperature also changes somewhat. Moreover, the peak temperature in the workpiece tends to reach a quasi-steady state at the beginning of the moving stage; but the temperature at some distance away from the weld does not reach the quasi-steady state during the welding.
机译：基于完全粘着摩擦，使用ABAQUS软件开发了摩擦搅拌焊接的三维数值模型。进行温度测量以验证模型的可靠性。模拟的热历史与实验非常吻合。模拟结果表明，旋转速度对工件达到峰值温度的时间没有影响，而焊接速度对远离切入点的温度达到峰值温度的时间有显着影响。该峰值温度的值也有所变化。此外，工件的峰值温度在移动阶段开始时趋于达到准稳态。但在焊接过程中，距焊缝一定距离的温度未达到准稳态。

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  • 来源
    《Journal of Materials Engineering and Performance》 |2012年第9期|p.1849-1856|共8页
  • 作者

    Wenya Li; Zhihan Zhang; Jinglong Li; Y. J. Chao;

  • 作者单位

    State Key Laboratory of Solidification Processing, Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi’an, 710072, Shaanxi, People’s Republic of China;

    State Key Laboratory of Solidification Processing, Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi’an, 710072, Shaanxi, People’s Republic of China;

    State Key Laboratory of Solidification Processing, Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi’an, 710072, Shaanxi, People’s Republic of China;

    Department of Mechanical Engineering, University of South Carolina, Columbia, SC, 29208, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    2024 aluminum alloy; friction stir welding; sticking contact; temperature field;

    机译：2024铝合金;摩擦搅拌焊;粘触;温度场;

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