Alloying effects on the plasticity of magnesium : comprehensive analysis of influences of all five slip systems

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Zhigang Ding
  • Guangxuan Zhao
  • Hao Sun
  • Shuang Li
  • Fei Ma
  • Enrique J. Lavernia
  • Wei Liu

Detail(s)

Original languageEnglish
Article number015401
Journal / PublicationJournal of Physics Condensed Matter
Volume32
Issue number1
Online published10 Oct 2019
Publication statusPublished - Jan 2020
Externally publishedYes

Abstract

Low plasticity has been a major issue for the application of Mg alloys. Here, based on the generalized stacking fault energy curves and Arrhenius equation, we systematically study alloying effects on the stacking fault energies and the activation probability of basal and non-basal ⟨a⟩, and pyramidal ⟨c + a⟩ slip systems in twenty-one Mg alloys. Our results reveal that activation of ⟨a⟩ slip systems on pyramidal II plane can significantly improve the plasticity. For example, Ca is found to promote the activation probability of this slip system by one order of magnitude and dramatically improve the plasticity of Mg.

Research Area(s)

  • density functional theory, magnesium alloy, plasticity, slip system, stacking fault energy

Citation Format(s)

Alloying effects on the plasticity of magnesium : comprehensive analysis of influences of all five slip systems. / Ding, Zhigang; Zhao, Guangxuan; Sun, Hao; Li, Shuang; Ma, Fei; Lavernia, Enrique J.; Zhu, Yuntian; Liu, Wei.

In: Journal of Physics Condensed Matter, Vol. 32, No. 1, 015401, 01.2020.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review