Strain hardening behavior of a two-phase Cu-Ag alloy processed by high-pressure torsion

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	Strain hardening behavior of a two-phase Cu-Ag alloy processed by high-pressure torsion
	Y. Z. Tian; S. D. Wu; Z. F. Zhang; R. B. Figueiredo; N. Gao; T. G. Langdon
	2011
发表期刊	Scripta Materialia
ISSN	1359-6462
卷号	65 期号:6 页码:477-480
摘要	Disks of a coarse-grained Cu-28 wt.% Ag alloy and pure Cu were processed by high-pressure torsion and the microhardness was investigated as a function of the imposed strain. It is shown that the Cu Ag alloy displays a much stronger strain hardening capability than Cu due to a continuous refinement of the microstructure. A two-stage Hall-Petch relationship was obtained for the Cu-Ag alloy which is attributed to the development of multi-strengthening mechanisms. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
部门归属	[tian, y. z.; wu, s. d.; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [figueiredo, r. b.] univ fed minas gerais, dept met & mat engn, br-31270901 belo horizonte, mg, brazil. [gao, n.; langdon, t. g.] univ southampton, sch engn sci, mat res grp, southampton so17 1bj, hants, england. [langdon, t. g.] univ so calif, dept aerosp & mech engn, los angeles, ca 90089 usa. [langdon, t. g.] univ so calif, dept mat sci, los angeles, ca 90089 usa.;zhang, zf (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china;zhfzhang@imr.ac.cn
关键词	Cu-ag Alloy Cu High-pressure Torsion (Hpt) Hardness Microstructure Severe Plastic-deformation Structural Refinement Evolution Metals Homogeneity Composites Mechanisms Hardness
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WOS记录号	WOS:000293932900005
引用统计	被引频次：27[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/30710
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. Z. Tian,S. D. Wu,Z. F. Zhang,et al. Strain hardening behavior of a two-phase Cu-Ag alloy processed by high-pressure torsion[J]. Scripta Materialia,2011,65(6):477-480.
APA	Y. Z. Tian,S. D. Wu,Z. F. Zhang,R. B. Figueiredo,N. Gao,&T. G. Langdon.(2011).Strain hardening behavior of a two-phase Cu-Ag alloy processed by high-pressure torsion.Scripta Materialia,65(6),477-480.
MLA	Y. Z. Tian,et al."Strain hardening behavior of a two-phase Cu-Ag alloy processed by high-pressure torsion".Scripta Materialia 65.6(2011):477-480.

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