Skip to main content
SpringerLink
Log in

Microstructure and Strengthening Mechanism of Fiber Laser-Welded High-Strength Mg-Gd-Y-Zr Alloy

  • Published:
Journal of Materials Engineering and Performance Aims and scope Submit manuscript

Abstract

The microstructure and mechanical properties of laser-welded high-strength Mg-Gd-Y-Zr alloy in T6 condition were investigated. The network-distributed precipitates at grain boundaries were identified as the Mg24(Gd,Y)5. No significant grain coarsening was observed in the heat-affected zone. The deterioration of mechanical properties was attributed to the dissolution of precipitates in the heat-affected zone during laser welding. For the weakest part of the heat-affected zone, solid solution strengthening was the most important strengthening factor.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 11
Fig. 12
Fig. 13

Similar content being viewed by others

References

  1. A. Munitz, C. Cotler, A. Stern, and G. Kohn, Mechanical properties and microstructure of gas tungsten arc welded magnesium AZ91D plates, Mater. Sci. Eng. A, 2001, 302, p 68–73

    Article  Google Scholar 

  2. Q. Yang, B.L. Xiao, and Z.Y. Ma, Influence of process parameters on microstructure and mechanical properties of friction-stir-processed Mg-Gd-Y-Zr casting, Metall. Mat. Trans. A, 2012, 43, p 2094–2109

    Article  Google Scholar 

  3. J. Wang, J. Meng, D. Zhang, and D. Tang, Effect of Y for enhanced age hardening response and mechanical properties of Mg-Gd-Y-Zr alloys, Mater. Sci. Eng. A, 2007, 456, p 78–84

    Article  Google Scholar 

  4. P.J. Apps, H. Karimzadeh, J.F. King, and G.W. Lorimer, Precipitation reactions in Magnesium-rare earth alloys containing Yttrium, Gadolinium or Dysprosium, Scr. Mater., 2003, 48, p 1023–1028

    Article  Google Scholar 

  5. S.M. He, X.Q. Zeng, L.M. Peng, X. Gao, J.F. Nie, and W.J. Ding, Precipitation in a Mg-10Gd-3Y-0.4Zr (wt.%) alloy during isothermal ageing at 250 °c, J. Alloys Compd., 2006, 421, p 309–313

    Article  Google Scholar 

  6. Q.M. Peng, Y.M. Wu, D.Q. Fang, J. Meng, and L.M. Wang, Microstructures and properties of Mg-7Gd alloy containing Y, J. Alloy. Compd., 2007, 430, p 252–256

    Article  Google Scholar 

  7. Z.C. Bao, L. Xu, Y.L. Deng. Effect of friction stir welding on microstructures and mechanical properties of Mg-Gd-Y-Zr alloy. J. Mater. Eng. 2011, p 68–72

  8. M. Gao, X.Y. Zeng, B. Tan, and J.C. Feng, Study of laser mig hybrid welded AZ31 magnesium alloy, Sci. Technol. Weld. Jt., 2009, 14, p 274–281

    Article  Google Scholar 

  9. X. Cao, M. Xiao, M. Jahazi, and J.P. Immarigeon, Continuous wave Nd:YAG laser welding of sand-cast ZE41A-T5 magnesium alloys, Mater. Manuf. Processes, 2005, 20, p 987–1004

    Article  Google Scholar 

  10. L. Liu, J. Wang, and G. Song, Hybrid laser-TIG welding, laser beam welding and gas tungsten arc welding of AZ31B magnesium alloy, Mater. Sci. Eng. A, 2004, 381, p 129–133

    Article  Google Scholar 

  11. R. Qiu, N. Wang, H. Shi, K. Zhang, and S. Satonaka, Non-parametric effects on pore formation during resistance spot welding of magnesium alloy, Sci. Technol. Weld. Jt, 2014, 19, p 231–234

    Article  Google Scholar 

  12. G. Song and P. Wang, Pulsed mig welding of AZ31B magnesium alloy, Mater. Sci. Technol., 2011, 27, p 518–524

    Article  Google Scholar 

  13. M. Harooni, J. Ma, B. Carlson, and R. Kovacevic, Two-pass laser welding of AZ31B magnesium alloy, J. Mater. Process. Technol., 2015, 216, p 114–122

    Article  Google Scholar 

  14. M. Harooni, B. Carlson, and R. Kovacevic, Detection of defects in laser welding of AZ31B magnesium alloy in zero-gap lap joint configuration by a real-time spectroscopic analysis, Opt. Lasers Eng., 2014, 56, p 54–66

    Article  Google Scholar 

  15. C.T. Chi, C.G. Chao, T.F. Liu, and C.C. Wang, Relational analysis between parameters and defects for electron beam welding of AZ-series magnesium alloys, Vacuum, 2008, 82, p 1177–1182

    Article  Google Scholar 

  16. Z.D. Zhang and X.Y. Kong, Study on DC double pulse metal inert gas (MIG) welding of magnesium alloy, Mater. Manuf. Process., 2012, 27, p 462–466

    Article  Google Scholar 

  17. J. Dai, J. Huang, Z. Li, J. Dong, and Y.X. Wu, Effects of heat input on microstructure and mechanical properties of laser-welded Mg-Rare earth alloy, J. Mater. Eng. Perform., 2013, 22, p 64–70

    Article  Google Scholar 

  18. J.W. Wu, W.N. Tang and R.S. Chen Effects of welding current on microstructures and mechanical properties of TIG welded wroght Mg-Gd-Y alloy joints. Weld. Jt. 2010, p 41-45

  19. Y.J. Quan, Z.H. Chen, X.S. Gong, and Z.H. Yu, Effects of heat input on microstructure and tensile properties of laser welded magnesium alloy AZ31, Mater. Charact., 2008, 59, p 1491–1497

    Article  Google Scholar 

  20. W.J. Ding, P.H. Fu, L.M. Peng, H.Y. Jiang, Y.X. Wang, G.H. Wu, J. Dong, and X.W. Guo, Advanced magnesium alloys and their applications in aerospace, Spacecraft Environment Engineering, 2011, 28, p 103–109

    Google Scholar 

  21. J.F. Nie, Precipitation and hardening in magnesium alloys, Metall and Mat Trans A, 2012, 43, p 3891–3939

    Article  Google Scholar 

  22. S. Dong, F. Wang, Q. Wan, J. Dong, W.J. Ding, and Y.Y. Jiang, Aging effects on cyclic deformation and fatigue of extruded Mg-Gd-Y-Zr alloy, Mater. Sci. Eng. A, 2015, 641, p 1–9

    Article  Google Scholar 

  23. S.M. He, X.Q. Zeng, L.M. Peng, X. Gao, J.F. Nie, and W.J. Ding, Microstructure and strengthening mechanism of high strength Mg-10Gd-2Y-0.5Zr alloy, J. Alloy. Compd., 2007, 427, p 316–323

    Article  Google Scholar 

  24. J. Dai, J. Huang, M. Li, Z. Li, J. Dong, and Y.X. Wu, Effects of heat treatments on laser welded Mg-Rare earth alloy NZ30K, Mater. Sci. Eng. A, 2011, 529, p 401–405

    Article  Google Scholar 

Download references

Acknowledgments

The authors would like to thank Mr. Z.Y. Zhang from National Engineering Research Center of Light Alloys Net Forming in Shanghai Jiao Tong University for providing the experimental materials.

Author information

Authors and Affiliations

  1. Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai Jiao Tong University, Shanghai, 200240, China

    Lyuyuan Wang, Jian Huang, Zhuguo Li & Yixiong Wu

  2. National Engineering Research Center of Light Alloys Net Forming, Shanghai Jiao Tong University, Shanghai, 200240, China

    Jie Dong

Authors
  1. Lyuyuan Wang
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Jian Huang
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Zhuguo Li
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Jie Dong
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Yixiong Wu
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Jian Huang.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Wang, L., Huang, J., Li, Z. et al. Microstructure and Strengthening Mechanism of Fiber Laser-Welded High-Strength Mg-Gd-Y-Zr Alloy. J. of Materi Eng and Perform 25, 4506–4513 (2016). https://doi.org/10.1007/s11665-016-2260-8

Download citation

  • Received:

  • Revised:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11665-016-2260-8

Keywords

Search

Navigation