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Improved cyclic softening behavior of ultrafine-grained Cu with high microstructural stability
Xue, P.; Wang, B. B.; An, X. H.; Ni, D. R.; Xiao, B. L.; Ma, Z. Y.
2019-06-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume166Pages:10-14
AbstractWe report that the uniform and stable microstructure essentially ameliorate the cyclic softening of the ultrafine-grained (UFG) Cu prepared by friction stir processing (FSP) and then enhance its low-cycle fatigue properties. In lieu of the fatigue-induced grain coarsening, dislocation and grain boundary (GB) activities play crucial roles in accommodating the cyclic plasticity. In addition, the protrusion and small cracks near the GB regions rather than shear bands are main surface damage morphologies that lead to its final fatigue failure. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordFriction stir processing Ultrafine-grained Cu Cyclic softening Stable microstructures Low-cycle fatigue life
Indexed BySCI
Language英语
WOS IDWOS:000466251000003
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81046
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Xue, P.,Wang, B. B.,An, X. H.,et al. Improved cyclic softening behavior of ultrafine-grained Cu with high microstructural stability[J]. SCRIPTA MATERIALIA,2019,166:10-14.
APA Xue, P.,Wang, B. B.,An, X. H.,Ni, D. R.,Xiao, B. L.,&Ma, Z. Y..(2019).Improved cyclic softening behavior of ultrafine-grained Cu with high microstructural stability.SCRIPTA MATERIALIA,166,10-14.
MLA Xue, P.,et al."Improved cyclic softening behavior of ultrafine-grained Cu with high microstructural stability".SCRIPTA MATERIALIA 166(2019):10-14.
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