Study on the mechanism of micro-slip for γ-TiAl alloy with single crystal

被引：0
|
作者：
Rui, Zhi-Yuan [1 ,2 ]
Zhang, Guo-Tao [1 ,2 ]
Feng, Rui-Cheng [1 ,2 ]
Zhang, Ya-Ling [3 ]
Yan, Chang-Feng [1 ,2 ]
机构：
[1] School of Mechanical and Electronical Engineering, Lanzhou University of Technology, Lanzhou, China
[2] Key Laboratory of Digital Manufacturing Technology and Application, The Ministry of Education, Lanzhou University of Technology, Lanzhou, China
[3] College of Electrical and Information Engineering, Lanzhou University of Technology, Lanzhou, China
来源：
Gongneng Cailiao/Journal of Functional Materials | 2015年 / 46卷 / 01期
关键词：
Titanium alloys - Tensile strain - Numerical models;
D O I：
10.3969/j.issn.1001-9731.2015.01.021
中图分类号：
学科分类号：
摘要：
Aimed at the deficiency of the study about the mechanism of micro-slip for γ-TiAl single crystal. The model of crystal slip for γ-TiAl single crystal with uniaxial tension was established in this paper. The Schmid factors along different slip directions were calculated based on the geometry relationship in model and the slip directions given by Weiss Zone Law. The result that crystal will be easier slip along (001)[01-1] and (11-1)[110] than other directions was obtained by comparing the calculated results. Besides, the result that critical value of external tensile strain under the given case of double slip system was 0.633 was got. Furthermore, the mechanism for micro-slip of γ-TiAl alloy with monocrystal under uniaxial tension given in this paper is correct, which was verified by numerical simulation.
引用
收藏
页码：01103 / 01107
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