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Effect of Strain Rate on Tensile Ductility and Fracture Behavior of Bulk Nanotwinned Copper
You, Zesheng; Lu, Lei; llu@imr.ac.cn
2015
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Volume17Issue:12Pages:1754-1759
AbstractA bulk columnar-grained copper with preferentially oriented nanoscale growth twins is prepared by means of direct-current electrodeposition. Tensile tests at different strain rates reveal a significant influence of strain rate on the tensile ductility and fracture behavior. The ductility, especially the post-necking elongation, reduces dramatically at low strain rates, which is associated with evident intergranular fracture. The results suggest that the grain size as well as the grain boundary microstructural evolution exert a strong influence on the intrinsic fracture mode in the nano-twinned structure.
description.department[you, zesheng ; lu, lei] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [you, zesheng] nanjing univ sci & technol, herbert gleiter inst nanosci, nanjing 210094, jiangsu, peoples r china
Funding OrganizationNational Basic Research Program of China (973 Program) [2012CB932202]; National Science Foundation of China [51420105001, 51371171, 51471172, 51401211]; Chinese Academy of Sciences
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74771
Collection中国科学院金属研究所
Corresponding Authorllu@imr.ac.cn
Recommended Citation
GB/T 7714
You, Zesheng,Lu, Lei,llu@imr.ac.cn. Effect of Strain Rate on Tensile Ductility and Fracture Behavior of Bulk Nanotwinned Copper[J]. ADVANCED ENGINEERING MATERIALS,2015,17(12):1754-1759.
APA You, Zesheng,Lu, Lei,&llu@imr.ac.cn.(2015).Effect of Strain Rate on Tensile Ductility and Fracture Behavior of Bulk Nanotwinned Copper.ADVANCED ENGINEERING MATERIALS,17(12),1754-1759.
MLA You, Zesheng,et al."Effect of Strain Rate on Tensile Ductility and Fracture Behavior of Bulk Nanotwinned Copper".ADVANCED ENGINEERING MATERIALS 17.12(2015):1754-1759.
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