Delaying premature local necking of high-strength Cu: A potential way to enhance plasticity

被引：98

作者：

Liu, H. S. ^{[1
]}

Zhang, B. ^{[2
]}

Zhang, G. P. ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

[2] Northeastern Univ, Inst Met Res, Minist Educ, Key Lab Anisotropy & Texture Mat,Sch Mat & Met, Shenyang 110004, Peoples R China

来源：

SCRIPTA MATERIALIA | 2011年 / 64卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Plasticity; Cu/Al laminated composite; Cold roll bonding; Uniform elongation; BONDING ARB PROCESS; THIN METAL-FILMS; MECHANICAL-PROPERTIES; GRAIN-SIZE; DUCTILITY; DEFORMATION; COMPOSITES; ALUMINUM; BEHAVIOR;

D O I：

10.1016/j.scriptamat.2010.08.049

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A cold-rolled metal sheet is usually of high strength but low plasticity due to the onset of premature local necking Here, we reveal that the tensile plasticity of cold rolled Cu can be effectively enhanced by a layered structure stacked alternately by thicker Cu and thinner Al layers The layer interface in the composite strongly constrains and delays the development of premature local necking of the cold rolled Cu layer A potential way to improve plasticity without losing strength is suggested (C) 2010 Acta Materialia Inc Published by Elsevier Ltd All rights reserved

引用

页码：13 / 16

页数：4

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