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Orientation dependence of the cyclic deformation behavior and the role of grain boundaries in fatigue damage in copper crystals
Wang, ZG; Zhang, ZF; Li, XW; Jia, WP; Li, SX
Corresponding AuthorWang, ZG()
2001-12-01
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume319Pages:63-73
AbstractIn this overview paper, the features and the occurrence of a plateau on the cyclic stress-strain curve in copper single crystals as well as the associated microstructural characteristics are summarized. Unified and comprehensive diagrams are provided. Grain boundaries (GBs) play an important role in fatigue cracking even at intermediate and low-strain amplitudes. However, the associated mechanisms still remain unclear, In the present studies, copper bicrystals. columnar crystals and tricrystals with different orientations were examined. By using the electron channeling contrast (ECC) technique in scanning electron microscopy (SEM), the interaction of persistent slip bands (PSBs) with GBs was clearly revealed. A modified intergranular fatigue cracking mechanism was suggested. The present investigations also disclosed the significant role of the grain boundary triple lines and triple junctions (TJs) in fatigue damage. (C) 2001 Elsevier Science B.V. All rights reserved.
Keywordcyclic deformation cyclic stress-strain curve grain boundary persistant slip bands
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000173211200011
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/112431
Collection中国科学院金属研究所
Corresponding AuthorWang, ZG
AffiliationChinese Acad Sci, Met Res Inst, State Key Lab Fatigue & Fracture Mat, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Wang, ZG,Zhang, ZF,Li, XW,et al. Orientation dependence of the cyclic deformation behavior and the role of grain boundaries in fatigue damage in copper crystals[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2001,319:63-73.
APA Wang, ZG,Zhang, ZF,Li, XW,Jia, WP,&Li, SX.(2001).Orientation dependence of the cyclic deformation behavior and the role of grain boundaries in fatigue damage in copper crystals.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,319,63-73.
MLA Wang, ZG,et al."Orientation dependence of the cyclic deformation behavior and the role of grain boundaries in fatigue damage in copper crystals".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 319(2001):63-73.
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