The mechanical behavior of single crystal and polycrystalline pure magnesium

Minju Kang, Neha Dixit, Kavan Hazeli, Kelvin Xie, Kevin Hemker, K. T. Ramesh

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We present a simplified constitutive model, based on the dominant deformation mechanisms, to capture the mechanical behavior of magnesium. This approach takes into account (1) the accumulation and annihilation of 〈a〉 and 〈c+a〉 dislocations, (2) the volume fraction of extension twins, and (3) two material domains — the parent region and the twinned region. We first show that the model successfully captures the material responses of single crystal magnesium under different loading conditions. We then extend the model for application to a polycrystalline magnesium alloy. The results provide a simple and straightforward approximate model for magnesium and its alloys under various loading conditions.

Original languageEnglish (US)
Article number104078
JournalMechanics of Materials
StatePublished - Dec 2021


  • Constitutive model
  • Deformation mechanism
  • Mg alloy
  • Twinning

ASJC Scopus subject areas

  • Materials Science(all)
  • Instrumentation
  • Mechanics of Materials


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