Slip in directionally solidified Mo-alloy micropillars-Part II: Pillars containing defects

In situ Laue analysis during microcompression is carried out on Mo-alloy pillars containing defects due to focused ion beam milling or pre-strain. Independently of how the defects are introduced, if the diffraction peaks are streaked prior to deformation, slip starts in the direction matching the observed streaking, even if this corresponds to a low Schmid factor. The amount of pre-strain influences the deformation behaviour in terms of hardening and strain bursts. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.


Published in:
Acta Materialia, 60, 4614-4622
Year:
2012
Keywords:
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 Record created 2012-08-24, last modified 2018-01-28


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