Journal of Materials Engineering and Performance

, Volume 27, Issue 4, pp 1777–1783 | Cite as

Effect of Exchanging Advancing and Retreating Side Materials on Mechanical Properties and Electrochemical Corrosion Resistance of Dissimilar 6013-T4 and 7003 Aluminum Alloys FSW Joints

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Abstract

Friction stir welding (FSW) was used to weld dissimilar joints between Al 6013-T4 and Al7003 alloys in this work. The effect of exchanging advancing (AS) and retreating (RS) side material on microstructure, mechanical behaviors and electrochemical corrosion resistance was discussed. Results showed that different joint cross sections were obtained when exchanging AS and RS materials. The material on the AS would be more deformed during the welding process. When the Al6013 placed on the AS, the plastic flow of weld is more sufficient. Whether on the AS or RS, the Al6013-T4 side is the weak region for both tensile specimens and hardness samples. The fracture position corresponds to the minimum hardness position. Also, more strengthening phase can be retained in the joint, and the joint of A6R7 has better corrosion resistance.

Keywords

dissimilar aluminum alloy joints electrochemical corrosion friction stir welding mechanical behavior microstructure 

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Copyright information

© ASM International 2018

Authors and Affiliations

  • Zhixia Zhao
    • 1
  • Haimei Liang
    • 1
  • Yong Zhao
    • 1
  • Keng Yan
    • 1
  1. 1.Provincial Key Lab of Advanced Welding TechnologyJiangsu University of Science and TechnologyZhenjiangChina

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