Journal
SCRIPTA MATERIALIA
Volume 63, Issue 11, Pages 1077-1080Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.08.008
Keywords
Magnesium alloy; Low-cycle fatigue; Twin; Failure
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Funding
- National Natural Science Foundation of China (NSFC) [50901042]
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The low-cycle tension tension fatigue properties of extruded Mg-3%Al-1%Zn alloy plate have significantly different features in twinning-dominated samples and dislocation-dominated samples. The twinning-dominated samples show more pronounced cyclic hardening and longer fatigue life than those of the slip-dominated samples. The elongated lifetime of the twinning-dominated samples may be due to the roughness-induced crack closure. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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