Resistance Spot Welding Process and Properties of Hot Dip Galvanized DP590 High Strength Steel

  • Ruxia Liu
  • Mei Rao
  • Shulong Liu
  • Jian Zhang
  • Guoqiang Luo
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

Resistance spot welding of DP590 hot dip galvanized steel was investigated. The microstructure, shear force and current range of welded joints were studied. The results show that with the increasing of welding current or welding time, the shear force of the joints increased first and then decreased. The maximum value of shear force was 17.42 kN at the welding current of 9.5 kA and the welding time of 360 ms. The thinner of Zn layer thickness, the higher value of joint shear force under the same spot welding process. The spot welding current range is smaller with the increasing of Zn layer thickness.

Keywords

Resistance spot welding Hot dip galvanized steel Zinc layer thickness Shear force 

Notes

Acknowledgements

This work has been supported by the Nature Science Foundation of Hubei Province (No. 2016CFA006), the Joint Fund (No. 6141A02022209) and Natural Science Foundation of Anhui Higher Education Institutions of China (No.KJ2015A314).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Ruxia Liu
    • 1
  • Mei Rao
    • 1
  • Shulong Liu
    • 2
  • Jian Zhang
    • 1
  • Guoqiang Luo
    • 1
  1. 1.State Key Lab of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhanChina
  2. 2.School of Physics and Electronic Information/Information CollegeHuaibei Normal UniversityHuaibeiChina

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