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Investigation on the Microstructure of Mg–Gd–Zn Alloy

  • Yu Liu
  • Dongqing Zhao
  • Hongtao Liu
  • Tao Lin
  • Yunteng Liu
  • Jixue ZhouEmail author
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 217)

Abstract

The microstructure of solid solution treated Mg–Gd–Zn alloy has been investigated. After solid solution at 773 K for 16 h, a large amount of long period stacking ordered (LPSO) phases precipitate. The study on the evolution of microstructure indicated that this alloy has great solid solution strengthening effect. Besides the LPSO phases, stacking faults and {10–12} annealing twins were observed in the specimen aged at 623 K for 0.5 h. Generally, the stacking faults generate from the matrix and parallel to the (0002)α plane of the α–Mg matrix. However, studies of the stacking faults in the {10–12} annealing twin showed that the stacking faults were vertical to the (0002)α plane of the magnesium matrix. In addition, the interface between the twin and the α–Mg matrix has been studied.

Keywords

Mg–Gd–Zn alloy LPSO structure Annealing twins Interface Stacking faults 

Notes

Acknowledgements

The project was sponsored by the Natural Science Foundation of Shandong Province (No: ZR2016EMB11, ZR2017PEE007 and ZR2018BEE013) and National Natural Science Foundation of China (No. 51371130).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Yu Liu
    • 1
    • 2
  • Dongqing Zhao
    • 1
    • 2
  • Hongtao Liu
    • 1
    • 2
  • Tao Lin
    • 1
    • 2
  • Yunteng Liu
    • 1
    • 2
  • Jixue Zhou
    • 1
    • 2
    Email author
  1. 1.Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences)JinanChina
  2. 2.Shandong Provincial Key Laboratory for High Strength Lightweight Metallic MaterialsQilu University of Technology (Shandong Academy of Sciences)JinanChina

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