Optimizing strength and ductility of Cu-Zn alloys through severe plastic deformation

被引：80
|
作者：
Zhang, P. [1 ]
An, X. H. [1 ]
Zhang, Z. J. [1 ]
Wu, S. D. [1 ]
Li, S. X. [1 ]
Zhang, Z. F. [1 ]
Figueiredo, R. B. [2 ,3 ]
Gao, N. [2 ]
Langdon, T. G. [2 ,4 ,5 ]
机构：
[1] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
[2] Univ Southampton, Fac Engn & Environm, Mat Res Grp, Southampton SO17 1BJ, Hants, England
[3] Univ Fed Minas Gerais, Dept Mat Engn & Civil Construct, BR-31270901 Belo Horizonte, MG, Brazil
[4] Univ So Calif, Dept Aerosp & Mech Engn, Los Angeles, CA 90089 USA
[5] Univ So Calif, Dept Mat Sci, Los Angeles, CA 90089 USA
来源：
SCRIPTA MATERIALIA | 2012年 / 67卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Cu-Zn alloy; High-pressure torsion; Equal-channel angular pressing; Strength; Ductility; STACKING-FAULT ENERGY; HIGH-PRESSURE TORSION; ULTRAFINE-GRAINED CU; MICROSTRUCTURAL EVOLUTION; NANOSTRUCTURED MATERIALS; MECHANICAL-PROPERTIES; STRAIN-RATE; AL ALLOYS; METALS; REFINEMENT;
D O I：
10.1016/j.scriptamat.2012.07.040
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effects of alloying and severe plastic deformation methods on the strength and ductility of Cu-Zn alloys were systematically investigated. Alloying decreased the grain size and increased the twinning capability. Changing from equal-channel angular press to high-pressure torsion decreased the grain size and improved the ductility. The effects on ductility are explained in terms of the different influences of grain size and twinning capability. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：871 / 874
页数：4
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