Through-thickness microstructure, texture and strength gradients in AA 7055 rolled plate

被引：3
|
作者：
Chen, J. Z. [1 ]
Zhen, L. [1 ]
Zhang, B. Y. [1 ]
Cui, Y. X. [1 ]
Dai, S. L. [2 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
[2] Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
来源：
2006 BIMW: 2006 BEIJING INTERNATIONAL MATERIALS WEEK, PTS 1-4: MAGNESIUM | 2007年 / 546-549卷
关键词：
AA 7055 aluminum alloy; EBSD; texture;
D O I：
10.4028/www.scientific.net/MSF.546-549.957
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Through-thickness microstructure, texture and mechanical property gradients in the longitudinal section of AA 7055 rolled plate have been investigated using electron back-scattered diffraction (EBSD) technique. Quantitative analysis of the microstructure and texture through the plate thickness was conducted. It was found that the microstructure and texture are obviously non-homogeneous through the plate thickness. From center to surface, more equiaxed grains are observed. As expected, the degree of recrystallization increases with increasing the S value. The grains in the center layer exhibited preferential orientations while the most grains near the surface presented a random one. The strength of each observed layer has also been tested.
引用
收藏
页码：957 / +
页数：2
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