Anisotropic behavior and constitutive equations of superplastic deformation of a Ti-6Al-4V alloy

被引：11
|
作者：
Bai, BZ [1 ]
Yang, HS
Chen, NP
Mukherjee, AK
机构：
[1] Beijing Res Inst Mech & Elect Engn, Beijing 100083, Peoples R China
[2] Kaiser Aluminum & Chem Corp, Pleasanton, CA 94566 USA
[3] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[4] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA
来源：
SCRIPTA MATERIALIA | 1999年 / 40卷 / 09期
关键词：
D O I：
10.1016/S1359-6462(98)00476-X
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The anisotropic behavior and constitutive equations of the superplastic deformation of a Ti-6Al-4V alloy were examined. The `circular-to-elliptical' cross section change in superplastic tensile and compression deformation was mainly due to the microstructure. The anisotropic factor, R, was almost constant when the strain-induced microstructural changes was negligible. As the strain rate increased, R-value increased towards 1 and the σ-ε curves of different types of specimens machined from the same material converged.
引用
收藏
页码：1079 / 1088
页数：10
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