Texture evolution of Al-Mg-Li aeronautical alloys in in-situ tension

被引：4
|
作者：
Chen, Zhong-wei [1 ]
Zhao, Jing [1 ]
Li, Shi-shun [1 ]
机构：
[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2012年 / 19卷 / 12期
关键词：
aluminum lithium alloys; textures; tensile testing; extrusion; hot rolling; MICROSTRUCTURE; DEFORMATION; ANISOTROPY; EBSD;
D O I：
10.1007/s12613-012-0677-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Texture evolution in extruded and hot-rolled Al-Mg-Li aeronautical alloys during in-situ tension was investigated by using electron backscattered diffraction (EBSD). A field emission scanning electron microscope (FE-SEM) and a MICROTEST-5000 tensile stage were used to carry out in-situ tension tests and observations. The crystallographic texture of the extruded sample changed from weak cube texture {001}aOE (c) 100 > to texture {018}aOE (c) 081 > during tension fracture. However, strong Brass {110}aOE (c) 112 > in the hot-rolled sample was modified into a mixture texture component of Brass {110}aOE (c) 112 > and S {123}aOE (c) 634 > during tension fracture. Texture evolution in the two samples during tension can be explained by the rotation of grain orientation.
引用
收藏
页码：1100 / 1106
页数：7
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