作者: S.D. Wu , Z.G. Wang , C.B. Jiang , G.Y. Li , I.V. Alexandrov
DOI: 10.1016/S1359-6462(03)00141-6
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摘要: 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 microscope. The possible formation mechanism of SB discussed based the characteristic distribution defects introduced (C) 2003 Acta Materialia Inc. Published Elsevier Science Ltd. All rights reserved.