Journal
SCRIPTA MATERIALIA
Volume 52, Issue 7, Pages 547-551Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.12.004
Keywords
martensite transformation; twinning; nanostructure; surface mechanical attrition treatment; cobalt
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The deformation microstructure of face-centered cubic cobalt subjected to surface mechanical attrition treatment was studied as a function of strain levels. Strain-induced gamma --> epsilon transformation and twinning deformation were evidenced by transmission electron microscopy and were found to progress continuously in ultrafine and nanocrystalline grains as the strain increased. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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