Journal
SCRIPTA MATERIALIA
Volume 93, Issue -, Pages 28-31Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2014.08.022
Keywords
Mg alloy; HAADF-STEM; Solute clustering; Texture weakening
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Funding
- JST, ALCA
- Grants-in-Aid for Scientific Research [26709055, 25249101] Funding Source: KAKEN
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Two single-phase Mg-Gd alloys (0.01 and 0.06 at.% Gd) were identically hot-deformed through an indirect extrusion process. High-angle annular dark-field scanning transmission microscopy observations revealed that the Gd-richer alloy, which possessed a weaker texture, had substantial Gd-solute clustering and grain boundary segregation, while the more Gd-dilute alloy, which showed a markedly stronger texture, did not. It is suggested that clustering and grain boundary segregation play a role in the modification and consequential weakening of the overall texture. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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