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张兆栋, 刘黎明, 王来. 镁合金活性TIG焊焊接接头组织特征分析[J]. 焊接学报, 2004, (4): 55-58.
引用本文: 张兆栋, 刘黎明, 王来. 镁合金活性TIG焊焊接接头组织特征分析[J]. 焊接学报, 2004, (4): 55-58.
shu
ZHANG Zhao-dong, LIU Li-ming, WANG lai. Microstructure feature analysis of activating TIG welded joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2004, (4): 55-58.
Citation: ZHANG Zhao-dong, LIU Li-ming, WANG lai. Microstructure feature analysis of activating TIG welded joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2004, (4): 55-58.
shu

镁合金活性TIG焊焊接接头组织特征分析

Microstructure feature analysis of activating TIG welded joint

    摘要
  • 摘要: 对活性化焊接(A-TIG)方法在镁合金焊接中的应用进行了初步的探讨。选取TiO2作为活性剂,研究了单一活性剂TiO2对镁合金焊接后微观组织的影响。试验结果表明,涂敷单一活性剂TiO2可以使焊缝熔深比常规的TIG焊增加2倍。与未涂敷活性剂的焊缝相比,涂敷TiO2活性剂可以增大焊接的熔深,减小熔宽。

     

    Abstract: The effect of activating fluxes with single component TiO2 on weld form in tungsten inert-gas (TIG) welding of magnesium alloy is studied.The experimental results show that the penetration is more than 2 times compared to the conventional TIG welding.Compared with weld made without flux the penetration increases,and the width decreases.The flux developed has no effect on the microstructure.

     

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