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基于CFD模型的搅拌摩擦焊接搅拌头受力分析

吴奇 张昭 张洪武

吴奇, 张昭, 张洪武. 基于CFD模型的搅拌摩擦焊接搅拌头受力分析[J]. 机械科学与技术, 2015, 34(12): 1961-1965. doi: 10.13433/j.cnki.1003-8728.2015.1229
引用本文: 吴奇, 张昭, 张洪武. 基于CFD模型的搅拌摩擦焊接搅拌头受力分析[J]. 机械科学与技术, 2015, 34(12): 1961-1965. doi: 10.13433/j.cnki.1003-8728.2015.1229
Wu Qi, Zhang Zhao, Zhang Hongwu. Force Analysis of Stirring Head in Friction Stir Welding Based on CFD Model[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(12): 1961-1965. doi: 10.13433/j.cnki.1003-8728.2015.1229
Citation: Wu Qi, Zhang Zhao, Zhang Hongwu. Force Analysis of Stirring Head in Friction Stir Welding Based on CFD Model[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(12): 1961-1965. doi: 10.13433/j.cnki.1003-8728.2015.1229

基于CFD模型的搅拌摩擦焊接搅拌头受力分析

doi: 10.13433/j.cnki.1003-8728.2015.1229
基金项目: 

国家自然科学基金项目(11172057)、国家重点基础研究发展(973)计划(2011CB013401)、中央高校基本科研业务费专项资金及新世纪优秀人才支持计划项目资助

详细信息
    作者简介:

    吴奇(1990-),硕士研究生,研究方向为计算工艺力学,qiwu@mail.dlut.edu.cn

    通讯作者:

    张昭(联系人),教授,博士,zhangz@dlut.edu.cn

Force Analysis of Stirring Head in Friction Stir Welding Based on CFD Model

  • 摘要: 搅拌头作为搅拌摩擦焊接的核心部件,其工作状态与使用寿命,对焊接过程起着决定性作用,而其受力与应力值,将直接影响搅拌头的磨损和疲劳分析。建立了AA6061-T6搅拌摩擦焊接计算流体力学模型,对搅拌头附近压力场进行分析,计算搅拌头横向受力,包括轴肩表面阻力,搅拌针上压力和搅拌针底部阻力。基于得到的搅拌针上载荷分布,进一步计算出多种转速工况下搅拌针根部危险截面疲劳应力变化规律。
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    [2] 王国庆,赵衍华.铝合金的搅拌摩擦焊接[M].北京:中国宇航出版社,2010 Wang G Q, Zhao Y H. Friction stir welding of aluminum alloys[M]. Beijing: China Astronautic Publishing House, 2010 (in Chinese)
    [3] Balasubramanian N, Mishra R S, Krishnamurthy K. Process forces during friction stir channeling in an aluminum alloy[J]. Journal of Materials Processing Technology, 2011,211(2):305-311
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    [5] 何建军,刘明宇,杨宗辉.搅拌头——搅拌摩擦焊的心脏[J].电焊机,2004,34(1):24-26 He J J, Liu M Y, Yang Z H. Stirring head-the heart of friction stir welding[J]. Electric Welding Machine, 2004,34(1):24-26 (in Chinese)
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    [7] 万震宇.搅拌摩擦焊接数值模拟及搅拌头受力分析[D].大连:大连理工大学,2012:40-52 Wan Z Y. Numerical simulation of friction stir welding and tool force analysis[D]. Dalian: Dalian University of Technology, 2012:40-52 (in Chinese)
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    [10] Handbook of aluminum[M]. Halifax: Alcan Aluminum Corporation,1970
    [11] 王大勇,冯吉才,王攀峰.搅拌摩擦焊接热输入数值模型[J].焊接学报,2005,26(3):25-28,32 Wang D Y, Feng J C, Wang P F. Numerical model of heat input from rotational tool during friction stir welding[J]. Transactions of the China Welding Institution, 2005,26(3):25-28,32 (in Chinese)
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    [16] Timoshenko S P. On the transverse vibrations of bars of uniform cross-section[J]. Philosophical Magazine, 1922,43(253):125-131
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出版历程
  • 收稿日期:  2014-03-21
  • 刊出日期:  2015-12-05

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