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一种新型零减薄搅拌摩擦焊工艺

王敏, 张会杰, 张骁, 于涛, 杨广新

王敏, 张会杰, 张骁, 于涛, 杨广新. 一种新型零减薄搅拌摩擦焊工艺[J]. 焊接学报, 2016, 37(10): 37-40.
引用本文: 王敏, 张会杰, 张骁, 于涛, 杨广新. 一种新型零减薄搅拌摩擦焊工艺[J]. 焊接学报, 2016, 37(10): 37-40.
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WANG Min, ZHANG Huijie, ZHANG Xiao, YU Tao, YANG Guangxin. A novel zero-weld-thinning friction sir welding process[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(10): 37-40.
Citation: WANG Min, ZHANG Huijie, ZHANG Xiao, YU Tao, YANG Guangxin. A novel zero-weld-thinning friction sir welding process[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(10): 37-40.
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一种新型零减薄搅拌摩擦焊工艺

  • 中国科学院沈阳自动化研究所 机器人学国家重点实验室, 沈阳 110016

基金项目: 国家自然科学基金资助项目（51505471）

A novel zero-weld-thinning friction sir welding process

  • State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China

摘要

    摘要
  • 摘要: 文中成功开发了一种基于焊具轴肩零压入量的新型零减薄搅拌摩擦焊工艺，能够从根本上彻底消除常规搅拌摩擦焊中出现的焊缝减薄现象.采用这一新型工艺实施焊接，无需对被焊母材进行任何焊前焊后的增材或减材处理，即可低成本、高效率、高质量的实现铝合金的零减薄搅拌摩擦焊接.结果表明，所得零减薄接头的抗拉强度可以达到母材的97%，断后伸长率可以达到母材的100%.由于焊接中轴肩作用被显著削弱，这种焊接方法还能有效改善工件厚度方向上的焊缝微观组织和力学性能的分布均匀度.
    Abstract: A novel zero-weld-thinning (ZWT) friction stir welding (FSW) process was successfully developed, which can fundamentally eliminate the reduction of weld thickness commonly appeared in conventional FSW. The high-quality ZWT-FSW joints of aluminum alloys can be obtained at low cost and high efficiency without any addition or reduction treatment of base material before or after welding. The results indicated that the strength factor of 97% and the elongation factor of 100% can be obtained during the tensile test of ZWT-FSW joints. Additionally, an increase in the homogeneity of microstructures and mechanical properties can be achieved in weld thickness direction because shoulder effect on base material during FSW was weakened.
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    • 参考文献(12)
  • [1] 汪洪峰, 左敦稳, 黎向锋, 等. 能降低焊缝减薄厚度的搅拌摩擦焊用组合式搅拌头: 中国, 201010120293.9[P]. 2010-03-09.
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    [3] 黄永宪, 韩冰, 吕世雄, 等. 能够消除焊缝减薄的带状焊丝随焊送入搅拌摩擦焊方法: 中国, 201310127549.2[P]. 2013-04-12.
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    [6] 申浩, 杨新岐, 李冬晓, 等. 6061-T6铝合金的静止轴肩搅拌摩擦焊工艺及组织性能[J]. 焊接学报, 2016, 37(5): 119-123. Shen Hao, Yang Xinqi, Li Dongxiao, et al. Microstructures and mechanical properties of 6061-T6 aluminum alloy welded by stationary shoulder friction stir welding process[J]. Transactions of the China Welding Institution, 2016, 37(5): 119-123.
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    [8] Liu H J, Zhang H J, Pan Q, et al. Effect of friction stir welding parameters on microstructural characteristics and mechanical properties of 2219-T6 aluminum alloy joints[J]. International Journal of Material Forming, 2012, 5(3): 235-241.
    [9] 高辉, 董继红, 张坤, 等. 厚板铝合金搅拌摩擦焊接头组织及性能沿厚度方向的变化规律[J]. 焊接学报, 2014, 35(8): 61-65. Gao Hui, Dong Jihong, Zhang Kun, et al. Variations of the microstructure and mechanical properties for the thick aluminum friction stir welding joint along the thickness direction[J]. Transactions of the China Welding Institution, 2014, 35(8): 61-65.
    [10] Liu H J, Zhang H J, Yu L. Homogeneity of mechanical properties of underwater friction stir welded 2219-T6 aluminum alloy[J]. Journal of Materials Engineering and Performance, 2011, 20(8): 1419-1422.
    [11] Lin S B, Zhao Y H, Wu L. Integral and layered mechanical properties of friction stir welded joints of 2014aluminium alloy[J]. Materials Science and Technology, 2006, 22(8): 995-998.
    [12] Liu H J, Fujii H, Maeda M, et al. Heterogeneity of mechanical properties of friction stir welded joints of 1050-H24 aluminum alloy[J]. Journal of Materials Science Letters, 2003, 22(6): 441-444.
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  • 收稿日期:  2014-11-11

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