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An insight into the strain rate dependence of tensile ductility of an ultrafine grained Cu matrix nanocomposite
Zhou, Dengshan1,2,3; Geng, Hongwei1,2; Zhang, Deliang1,2,3; Zeng, Wei3; Kong, Charlie4; Munroe, Paul5
2017
发表期刊Materials Science and Engineering A
ISSN09215093
卷号688页码:164-168
摘要In this study, we observed a strong strain rate dependence of tensile ductility for an ultrafine grained Cu-5vol%Al2O3nanocomposite prepared by powder compact extrusion. This dependency of tensile ductility of the material to strain rate, combined with detailed materials characterization, suggests that the strain at which nearly ideal plastic deformation occurs is associated with the magnitude of the flow stress. The measured apparent activation volume and observed alignment of Cu grains suggest that plastic deformation during this nearly perfect deformation stage is dominated by the co-operative grain boundary sliding. © 2017 Elsevier B.V.
DOI10.1016/j.msea.2017.02.006
EI入藏号20170603327580
EI主题词Strain rate
EI分类号531 Metallurgy and Metallography - 804.2 Inorganic Compounds - 933 Solid State Physics - 951 Materials Science
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25835
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang; 110819, China;
2.Institute of Ceramics and Powder Metallurgy, School of Materials Science and Engineering, Northeastern University, Shenyang; 110819, China;
3.State Key Laboratory for Metal Matrix Materials, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai; 200240, China;
4.Electron Microscope Unit, The University of New South Wales, Sydney; 2052, Australia;
5.School of Materials Science and Engineering, The University of New South Wales, Sydney; 2052, Australia
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Zhou, Dengshan,Geng, Hongwei,Zhang, Deliang,et al. An insight into the strain rate dependence of tensile ductility of an ultrafine grained Cu matrix nanocomposite[J]. Materials Science and Engineering A,2017,688:164-168.
APA Zhou, Dengshan,Geng, Hongwei,Zhang, Deliang,Zeng, Wei,Kong, Charlie,&Munroe, Paul.(2017).An insight into the strain rate dependence of tensile ductility of an ultrafine grained Cu matrix nanocomposite.Materials Science and Engineering A,688,164-168.
MLA Zhou, Dengshan,et al."An insight into the strain rate dependence of tensile ductility of an ultrafine grained Cu matrix nanocomposite".Materials Science and Engineering A 688(2017):164-168.
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