Texture evolution in an aluminum alloy processed by ECAP with concurrent precipitate fragmentation

被引：27
|
作者：
Chowdhury, Sandip Ghosh [3 ]
Xu, Cheng [1 ]
Langdon, Terence G. [1 ,2 ]
机构：
[1] Univ So Calif, Dept Aerosp & Mech Engn & Mat Sci, Los Angeles, CA 90089 USA
[2] Univ Southampton, Sch Engn Sci, Mat Res Grp, Southampton SO17 1BJ, Hants, England
[3] Natl Met Lab, Mat Sci & Technol Div, Phys Met Grp, Jamshedpur 831007, Bihar, India
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2008年 / 473卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
equal-channel angular pressing; precipitate fragmentation; severe plastic deformation; texture;
D O I：
10.1016/j.msea.2007.05.052
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The textural evolution of a spray-cast aluminum 7034 alloy was investigated during processing by equal-channel angular pressing (ECAP). Texture weakening was observed after the initial pass but there was evidence for texture strengthening after six passes. The initial deviation from the ideal shear texture components and from the predicted ECAP texture components is attributed to the occurrence of strain relaxation due to extensive precipitate fragmentation in the early stages of ECAP. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：219 / 225
页数：7
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