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Dislocation-dominated non-crystallographic rotation in shear bands of Cu/Au nanolayered composites
Li, Xi1,2; Luo, Xue-Mei1; Zhang, Guang-Ping1
Corresponding AuthorZhang, Guang-Ping(gpzhang@imr.ac.cn)
2018-09-01
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume226Pages:67-70
AbstractShear band, a kind of unstable plasticity behavior, limits deformability of nanoscale materials, however the basic mechanism for such plasticity instability is still not understood well. Here, we found that the plastic deformation within the shear band of 25 nm-Cu/Au nanolayered composites is mainly contributed by the dislocation-dominated non-crystallographic rotation of the Cu/Au interface without destroying the crystallographic orientation. Homogeneous dislocation transmission across the transparent interface led to the non-crystallographic rotation to accommodate the geometrical requirement. The crystallographic relationship and structure in the interface zone can keep intact until the interface zone in the heavily-thinned layers becomes into amorphization. (C) 2018 Elsevier B.V. All rights reserved.
KeywordPlasticity instability Nanolayered composite Shear band Interface structure Dislocation
Funding OrganizationNational Natural Science Foundation of China (NSFC)
DOI10.1016/j.matlet.2018.05.010
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51571199] ; National Natural Science Foundation of China (NSFC)[51771207]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000432894300017
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128135
Collection中国科学院金属研究所
Corresponding AuthorZhang, Guang-Ping
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Xi,Luo, Xue-Mei,Zhang, Guang-Ping. Dislocation-dominated non-crystallographic rotation in shear bands of Cu/Au nanolayered composites[J]. MATERIALS LETTERS,2018,226:67-70.
APA Li, Xi,Luo, Xue-Mei,&Zhang, Guang-Ping.(2018).Dislocation-dominated non-crystallographic rotation in shear bands of Cu/Au nanolayered composites.MATERIALS LETTERS,226,67-70.
MLA Li, Xi,et al."Dislocation-dominated non-crystallographic rotation in shear bands of Cu/Au nanolayered composites".MATERIALS LETTERS 226(2018):67-70.
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