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Microstructure and Properties of an Al 6061/Galvanized Plate Fabricated by CMT Welding

Journal of Wuhan University of Technology-Mater. Sci. Ed. volume 35, pages 937–945 (2020)Cite this article

Abstract

Aluminum alloy 6061 was welded with zinc coated low carbon steel by cold metal transfer (CMT). The microstructure composition, morphology and growth process of the welding joint and the HAZ were researched. The weld area on the side of the galvanized steel sheet mainly contains Fe2Al5. And on the side of the aluminum alloy substrate, it is mainly filled with a needle-like FeAl3. At the same time, Al8Fe2Si is formed at the edge of FeAl3. The zinc-rich region on the side of the aluminum alloy mainly contains an aluminum-zinc solid solution and an aluminum-zinc co-crystal, and the current size had no significant effect on the type and morphology of the compounds produced in the interface layer.

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Authors and Affiliations

  1. School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China

    Qi Zhang, Peilei Zhang, Zhishui Yu, Hua Yan, Haichuan Shi, Di Wu & Shaowei Li

  2. Shanghai Collaborative Innovation Center of Laser Advanced Manufacturing Technology, Shanghai, 201620, China

    Qi Zhang, Peilei Zhang, Zhishui Yu, Hua Yan, Haichuan Shi, Di Wu & Shaowei Li

  3. Fraunhofer Institute for Laser Technology ILT, Aachen, 52074, Germany

    Peilei Zhang

  4. Department of Engineering, Lancaster University, Lancaster, UK

    Yingtao Tian

Authors
  1. Qi Zhang
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  2. Peilei Zhang
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  3. Zhishui Yu
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  4. Hua Yan
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  5. Haichuan Shi
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  6. Di Wu
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  7. Shaowei Li
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  8. Yingtao Tian
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Corresponding authors

Correspondence to Peilei Zhang or Zhishui Yu.

Additional information

Funded by National Natural Science Foundation of China (No. 51905333), Shanghai Sailing Program (No. 19YF1418100), Shanghai Science and Technology Committee Innovation Grant (Nos. 17JC1400600, 17JC1400601, 19511106400 and 19511106402), Shanghai Local Colleges and Universities Capacity Building Special Plan Project (No. 19030501300)

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Zhang, Q., Zhang, P., Yu, Z. et al. Microstructure and Properties of an Al 6061/Galvanized Plate Fabricated by CMT Welding. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 35, 937–945 (2020). https://doi.org/10.1007/s11595-020-2340-3

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  • DOI: https://doi.org/10.1007/s11595-020-2340-3

Key words

  • cold metal transfer
  • microstructure
  • microhardness
  • dissimilar metals