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Role of yttrium in activation of < c plus a > slip in magnesium: An atomistic approach

Authors
  • Kim, KH
  • Jeon, JB
  • Kim, NJ
  • Lee, BJ
Publication Date
Nov 01, 2015
Source
OASIS@POSTECH
Keywords
License
Unknown
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Abstract

The effect of Y addition on the slip behavior of an edge dislocation on basal, prismatic and second-order pyramidal slip planes of Mg has been investigated using a molecular dynamics simulation. It is found that Y increases the critical resolved shear stress of basal slip more than that of non-basal slip and eventually reduces the difference in the CRSS between different slip systems, which is proposed as the reason for the experimentally reported activation of (c + a) slip in Mg-Y alloys. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. / 1 / 1 / 26 / 19 / scie / scopus

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