Journal
SCRIPTA MATERIALIA
Volume 66, Issue 6, Pages 335-338Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.11.022
Keywords
Dynamic plastic deformation; Nickel; Deformation structure; Dislocation boundaries; Misorientation
Categories
Funding
- Danish National Research Foundation
- National Natural Science Foundation of China for the Danish Chinese Center for Nanometals [50911130230]
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Average microstructural parameters and the extent of microstructural heterogeneity in nickel deformed at a high strain rate have been characterized quantitatively and compared to those after compression at a quasi-static strain rate. The microstructure in the high strain rate sample was found to be more refined and less heterogeneous than that in the sample compressed at a low strain rate. The greater refinement in the former sample was achieved due to subdivision by a high frequency of finely spaced low-angle boundaries. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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