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Difference in fatigue cracking behaviors of Cu bicrystals with the same component grains but different twin boundaries
L. L. Li; Z. J. Zhang; P. Zhang; J. B. Yang; Z. F. Zhang
2015
Source PublicationScripta Materialia
ISSN1359-6462
Volume95Pages:19-22
AbstractTwo Cu bicrystals with identical component grains involved in twinning relationship but different boundaries were cyclically deformed. The results reveal that the coherent twin boundary (CTB) strongly resists fatigue cracking while the incoherent twin boundary (ITB) is intrinsically prone to nucleate fatigue cracks. It is suggested that the same dislocation motions interacting with the ITB and CTB in different ways is the fundamental reason for the distinct fatigue cracking behaviors. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[li, l. l. ; zhang, z. j. ; zhang, p. ; yang, j. b. ; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zhang, zf (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; zhfzhang@imr.ac.cn
KeywordBicrystal Grain Orientation Dislocation Twin Boundary Fatigue Cracking Coaxial Copper Bicrystals Persistent Slip Bands Cyclic Deformation Nanotwinned Metals Crystallographic Orientation Lattice Dislocations Polycrystals Mechanisms Energy Model
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73275
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
L. L. Li,Z. J. Zhang,P. Zhang,et al. Difference in fatigue cracking behaviors of Cu bicrystals with the same component grains but different twin boundaries[J]. Scripta Materialia,2015,95:19-22.
APA L. L. Li,Z. J. Zhang,P. Zhang,J. B. Yang,&Z. F. Zhang.(2015).Difference in fatigue cracking behaviors of Cu bicrystals with the same component grains but different twin boundaries.Scripta Materialia,95,19-22.
MLA L. L. Li,et al."Difference in fatigue cracking behaviors of Cu bicrystals with the same component grains but different twin boundaries".Scripta Materialia 95(2015):19-22.
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