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High Reversible Strain in Nanotwinned Metals
He, Suyun1; Jiang, Binbin1; Wang, Chunyang1; Chen, Chunjin1,2; Duan, Huichao1,2; Jin, Shuai1; Ye, Hengqiang1; Lu, Lei1; Du, Kui1
Corresponding AuthorJiang, Binbin(bbjiang12s@imr.ac.cn)
2021-09-29
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume13Issue:38Pages:46088-46096
AbstractDevelopment of bulk metals exhibiting large reversible strain is of great interest, owing to their potential applications in flexible electronic devices. Bulk metals with nanometer-scale twins have demonstrated high strength, good ductility, and promising electrical conductivity. Here, ultrahigh reversible strain as high as similar to 7.8% was observed in bent twin lamellae with 1-2 nm thickness in nanotwinned metals, where the maximum reversible strain increases with the reduction in twin lamella thickness. This high reversible strain is attributed to the suppression of dislocation nucleation, including both hard mode dislocations in the bent twin lamellae, while soft mode dislocations along twin boundaries have insignificant contribution. In situ transmission electron microscopy experiments show that higher recoverability was achieved in twinned Au nanorods compared with twin-free ones with similar aspect ratios and diameters during bending deformation, which demonstrates that the introduction of thin twin lamellae also significantly improves the shape recoverability of Au nanorods. This result introduces a novel pathway for developing bulk metals with the capability for large reversible strain.
Keywordnanotwinned metals dislocations reversible strain strain analysis TEM HAADF-STEM
Funding OrganizationNational Key Research and Development Program of China ; Joint Research Fund Liaoning-Shenyang National Laboratory for Materials Science ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Natural Science Foundation of Liaoning Province ; IMR Innovation Fund
DOI10.1021/acsami.1c10949
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFA0700701] ; Joint Research Fund Liaoning-Shenyang National Laboratory for Materials Science[2019JH3/30100020] ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-JSC024] ; National Natural Science Foundation of China[51901229] ; National Natural Science Foundation of China[91960202] ; Natural Science Foundation of Liaoning Province[2019-BS-250] ; IMR Innovation Fund[2021-PY07]
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000703995900096
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166548
Collection中国科学院金属研究所
Corresponding AuthorJiang, Binbin
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
He, Suyun,Jiang, Binbin,Wang, Chunyang,et al. High Reversible Strain in Nanotwinned Metals[J]. ACS APPLIED MATERIALS & INTERFACES,2021,13(38):46088-46096.
APA He, Suyun.,Jiang, Binbin.,Wang, Chunyang.,Chen, Chunjin.,Duan, Huichao.,...&Du, Kui.(2021).High Reversible Strain in Nanotwinned Metals.ACS APPLIED MATERIALS & INTERFACES,13(38),46088-46096.
MLA He, Suyun,et al."High Reversible Strain in Nanotwinned Metals".ACS APPLIED MATERIALS & INTERFACES 13.38(2021):46088-46096.
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