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余进, 王克鸿, 徐越兰, 刘永. 7A52铝合金双丝焊接头的组织与性能[J]. 焊接学报, 2005, (10): 87-89.
引用本文: 余进, 王克鸿, 徐越兰, 刘永. 7A52铝合金双丝焊接头的组织与性能[J]. 焊接学报, 2005, (10): 87-89.
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YU Jin, WANG Ke-hong, XU Yue-lan, LIU Yong. Microstructures and properties of 7A52 aluminum alloy welded joint by twin wire welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (10): 87-89.
Citation: YU Jin, WANG Ke-hong, XU Yue-lan, LIU Yong. Microstructures and properties of 7A52 aluminum alloy welded joint by twin wire welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (10): 87-89.
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7A52铝合金双丝焊接头的组织与性能

Microstructures and properties of 7A52 aluminum alloy welded joint by twin wire welding

    摘要
  • 摘要: 采用5A56焊丝对7A52铝合金进行双丝气体保护焊,对焊接接头的力学性能和显微组织进行了研究。结果表明,7A52铝合金焊接性能较好。因焊丝合金化学成分和结晶过程的影响,焊缝处是合金接头的薄弱环节。对于中厚7A52铝合金板,采用双丝气体保护焊方法可得到优良的焊接接头。

     

    Abstract: 7A52 aluminum alloy was welded by using 5A56 filler with twin wire gas shielded arc welding.The mechanical properties and microstructure of welded joint were studied.The results show that the weldability of 7A52 aluminum alloy is good.The weld zone is the weakest in welded joint due to effects of chemical components of filler and crystallization process.Therefore twin wire gas shielded arc welding of medium and thick 7A52 aluminum plate can obtain excellent welded joint.

     

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