Through-thickness texture gradient in AA 7055 aluminum alloy

被引：34
|
作者：
Chen, J. Z. [1 ]
Zhen, L. [1 ]
Shao, W. Z. [1 ]
Dai, S. L. [2 ]
Cui, Y. X. [1 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
[2] Inst Aeronaut Mat, Beijing 100095, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 01期
关键词：
heat treatment; microstructure; texture; EBSD;
D O I：
10.1016/j.matlet.2007.04.074
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Through-thickness texture gradient in AA 7055 aluminum alloy rolled plate has been investigated using the electron back-scattered diffraction (EBSD) technique. Quantitative analyses of texture in five layers from the surface to the center of the plate were performed. A pronounced texture variation through the plate thickness was found. In the center layer, a typical beta fiber texture running from {112} (111) orientation through {123} (634) orientation to {011} (211) orientation was found. Near the surface, in contrast, shear type textures including {001} (110) orientation, {112} (110) orientation and {111} (110) orientation were dominating. In particularly, when the shear type textures reached the maximum in both intensity and content, the beta fiber became minimums. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：88 / 90
页数：3
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