Journal
SCRIPTA MATERIALIA
Volume 63, Issue 8, Pages 823-826Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.06.026
Keywords
Magnesium alloys; Precipitation; Twinning; Electron backscattering diffraction (EBSD)
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Funding
- UK Royal Academy of Engineering
- University of Manchester
- Deakin University
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The number of {10(1)overbar2} twins formed in a compressed Mg-5 wt.% Zn alloy increased when precipitate particles were present, reaching a maximum in the peak-aged condition. Particles were observed to promote twin nucleation, but inhibit twin growth. A simple model has been developed to show that in peak- and over-aged condition the increase in twin number is accurately predicted by assuming the additional stress driving twin nucleation equates to the Orowan stress inhibiting twin growth. Crown Copyright (C) 2010 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.
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