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Mg-Al-Zn合金激光焊接头的耐蚀性研究

王少刚 韩弘利 曹梦艺

王少刚, 韩弘利, 曹梦艺. Mg-Al-Zn合金激光焊接头的耐蚀性研究[J]. 材料开发与应用, 2023, 38(5): 15-23.
引用本文: 王少刚, 韩弘利, 曹梦艺. Mg-Al-Zn合金激光焊接头的耐蚀性研究[J]. 材料开发与应用, 2023, 38(5): 15-23.
WANG Shaogang, HAN Hongli, CAO Mengyi. Investigation on Corrosion Resistance of Mg-Al-Zn Alloy Joint by Laser Beam Welding[J]. Development and Application of Materials, 2023, 38(5): 15-23.
Citation: WANG Shaogang, HAN Hongli, CAO Mengyi. Investigation on Corrosion Resistance of Mg-Al-Zn Alloy Joint by Laser Beam Welding[J]. Development and Application of Materials, 2023, 38(5): 15-23.

Mg-Al-Zn合金激光焊接头的耐蚀性研究

基金项目: 

南京航空航天大学大学生创新训练计划项目(2023CX006054)

详细信息
    作者简介:

    王少刚,男,1966年生,博士,副教授,主要研究方向:先进材料的连接。E-mail:sgwang@nuaa.edu.cn

  • 中图分类号: TG456.7

Investigation on Corrosion Resistance of Mg-Al-Zn Alloy Joint by Laser Beam Welding

  • 摘要: 分别采用激光焊和激光填丝焊2种方法对4 mm厚的Mg-Al-Zn合金进行焊接,并对镁合金接头的腐蚀机理进行了探讨。采用极化曲线测量、电化学阻抗谱测试、SEM观察和EDS分析等方法,对获得的激光焊接头(LBW)和激光填丝焊接头(LBW-F)在3.5%NaCl溶液中的腐蚀行为进行研究,并与母材(BM)的耐蚀性进行对比,结果表明,腐蚀产物主要由Mg(OH)2和碳酸盐组成,3种试样的耐蚀性由高至低为:LBW接头>LBW-F接头>BM母材。

     

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出版历程
  • 收稿日期:  2023-06-16
  • 网络出版日期:  2023-11-07

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