Metals and Materials International

, Volume 19, Issue 5, pp 999–1004 | Cite as

\(\left\{ {10\bar 12} \right\}\) twinning behavior in magnesium single crystal

  • Ming Zhe Bian
  • Kwang Seon Shin


In order to investigate \(\left\{ {10\bar 12} \right\}\) tensile twinning behavior, the magnesium single crystal was deformed by compressing along the \(\left[ {2\bar 1 \bar 10} \right]\) direction at room temperature, as \(\left\{ {10\bar 12} \right\}\) tensile twinning easily takes place when the compression direction is perpendicular to the c-axis. Numerous \(\left\{ {10\bar 12} \right\}\) primary tensile twins were activated during deformation, and the Schmid factor (SF) criterion was applied to the six \(\left\{ {10\bar 12} \right\}\) twin variants. The analysis shows that the majority of the \(\left\{ {10\bar 12} \right\}\) primary twins belong to high SF variants, and high SF twin boundaries provided nucleation sites for low SF variants. The \(\left\{ {10\bar 12} \right\}\) secondary tensile twins were formed inside the high SF of wide \(\left\{ {10\bar 12} \right\}\) primary twin bands, and the basal plane of the \(\left\{ {10\bar 12} \right\}\) secondary twin was tilted about 60° with respect to the original parent matrix. In the case of the \(\left\{ {10\bar 12} \right\}\) secondary tensile twin, relatively low SF variants were activated while counterparts with higher SF variants were absent.

Key words

deformation texture twinning electron backscattered diffraction (EBSD) 


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Copyright information

© The Korean Institute of Metals and Materials and Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  1. 1.Magnesium Technology Innovation Center, School of Materials Science and EngineeringSeoul National UniversitySeoulKorea

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