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Strain-rate sensitivity and microstructural evolution in a Mg-Al-Zn alloy

Korla, Rajesh and Chokshi, Atul H (2010) Strain-rate sensitivity and microstructural evolution in a Mg-Al-Zn alloy. In: Scripta Materialia, 63 (9). pp. 913-916.

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Official URL: http://dx.doi.org/10.1016/j.scriptamat.2010.06.047


Strain rate sensitivity measurements are used to identify twinning and changes in deformation mechanisms in a Mg AZ31 alloy over a wide range of temperatures and grain sizes. At low temperatures, there is significant twinning at low strains with strain-rate insensitivity; at large strains, strain rate sensitivity is noted, corresponding to deformation by multiple slip. At high temperatures, there is very little twinning and this leads to a significant strain rate sensitivity from the early stages of deformation. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Publication: Scripta Materialia
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Twinning; Strain rate sensitivity; Magnesium; Texture.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 18 Oct 2010 07:43
Last Modified: 18 Oct 2010 07:43
URI: http://eprints.iisc.ac.in/id/eprint/33120

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