Strain path dependence of {1 0 - 1 2} twinning activity in a polycrystalline magnesium alloy

Seong Gu Hong; Sung Hyuk Park; Chong Soo Lee

doi:10.1016/j.scriptamat.2010.09.030

Strain path dependence of {1 0 - 1 2} twinning activity in a polycrystalline magnesium alloy

Seong Gu Hong, Sung Hyuk Park, Chong Soo Lee

Research output: Contribution to journal › Article › peer-review

128 Scopus citations

Abstract

The {1 0 - 1 2} twinning activity in plastic deformation of a polycrystalline magnesium alloy was investigated using the in situ electron backscatter diffraction technique in combination with Schmid factor analysis. The activation of different twin variants depending on the strain path introduced a significant difference in the intersection characteristics between twin bands, causing a totally different twinning contribution to the deformation. The intersection between different twin variant pairs was found to retard the twin growth and promote the nucleation of new twins.

Original language	English
Pages (from-to)	145-148
Number of pages	4
Journal	Scripta Materialia
Volume	64
Issue number	2
DOIs	https://doi.org/10.1016/j.scriptamat.2010.09.030
State	Published - Jan 2011

Keywords

Magnesium alloy
Schmid factor
Twin variant
{1 0 - 1 2} twinning

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10.1016/j.scriptamat.2010.09.030

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abstract = "The {1 0 - 1 2} twinning activity in plastic deformation of a polycrystalline magnesium alloy was investigated using the in situ electron backscatter diffraction technique in combination with Schmid factor analysis. The activation of different twin variants depending on the strain path introduced a significant difference in the intersection characteristics between twin bands, causing a totally different twinning contribution to the deformation. The intersection between different twin variant pairs was found to retard the twin growth and promote the nucleation of new twins.",

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AB - The {1 0 - 1 2} twinning activity in plastic deformation of a polycrystalline magnesium alloy was investigated using the in situ electron backscatter diffraction technique in combination with Schmid factor analysis. The activation of different twin variants depending on the strain path introduced a significant difference in the intersection characteristics between twin bands, causing a totally different twinning contribution to the deformation. The intersection between different twin variant pairs was found to retard the twin growth and promote the nucleation of new twins.

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KW - Schmid factor

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KW - {1 0 - 1 2} twinning

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ER -

Strain path dependence of {1 0 - 1 2} twinning activity in a polycrystalline magnesium alloy

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Keywords

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