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Effects of Zn on < c plus a > slip and grain boundary segregation of Mg alloys

Title
Effects of Zn on < c plus a > slip and grain boundary segregation of Mg alloys
Authors
Jang, Hyo-SunLee, Byeong-Joo
Date Issued
Feb-2019
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
Using atomistic simulations, we investigated the effects of Zn on Mg alloys to reveal the mechanism underlying the good ductility and strong basal texture of Mg-Zn solid solutions at room temperature. We found that Zn can activate < c + a > slip by reducing critical resolved shear stress anisotropy among slip systems that improves ductility and that Zn has a low grain boundary segregation tendency. Because twinning and recrystallization, which have decisive effects on the texture evolution, will not be affected significantly due to the low segregation of Zn, Mg-Zn alloys are expected to yield a texture similar to that of pure Mg. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
URI
http://oasis.postech.ac.kr/handle/2014.oak/95308
ISSN
1359-6462
Article Type
Article
Citation
SCRIPTA MATERIALIA, vol. 160, page. 39 - 43, 2019-02
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 LEE, BYEONG JOO
Dept of Materials Science & Enginrg
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