期刊
SCRIPTA MATERIALIA
卷 48, 期 12, 页码 1605-1609出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1359-6462(03)00141-6
关键词
copper; ECAP; ultrafine grained microstructure; shear bands; fatigue
Cyclic deformation was performed on ultrafine grained copper processed by ECAP. Shear bands (SBs) and adjacent microstructures were investigated using electron channeling contrast in scanning electron microscope. The possible formation mechanism of SB was discussed based on the characteristic distribution of defects introduced by ECAP. (C) 2003 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
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