期刊
出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2013.07.048
关键词
Strain rate; Stacking fault energy; Cu-Al-Zn alloys; Mechanical properties
类别
资金
- National Natural Science Foundation of China (NSFC) [50874056]
- Australian Research Council (ARC) through ARC Discovery Project [DP110101974]
The effects of stacking fault energy (SFE) and severe plastic deformation on the strength and ductility of Cu and Cu-Al-Zn alloys were systematically investigated. With lowering SFE, the crystallite size decreased while the microstrain, dislocation density and twin density all increased. Tensile testing results demonstrate that the tensile strength and uniform elongation increase with decreasing SFE, but the total elongation to failure first decreases with lowering SFE and then increases. The relationship between microstructure and mechanical behavior is briefly discussed in the paper. (C) 2013 Elsevier B.V. All rights reserved.
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