Journal
SCRIPTA MATERIALIA
Volume 54, Issue 8, Pages 1463-1468Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2005.12.054
Keywords
Al-Sc alloy; strain rate effect; activation volume; dislocation
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High strength aluminum-scandium (Al-Sc) alloy is impacted at strain rates ranging from 1.2 x 10(3)s(-1) to 5.8 x 10(3) s(-1) at room temperature. The deformation behaviour of Al-Sc alloy is highly dependent on the strain rate. A higher strain rate increases the dislocation density, thereby reducing the size of the dislocation cells. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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