Globularization Evolution of Lamellar Microstructure and Destruction of Burgers Orientation Relationship for TC17 Titanium Alloy during Hot Deformation

被引：0

作者：

机构：

[1] Jia, Zhiqiang

[2] Zeng, Weidong

[3] Wang, Kaixuan

来源：

Zeng, Weidong (zengwd@nwpu.edu.cn) | 1600年 / Science Press卷 / 46期

关键词：

Burgers orientation relationships - Dynamic globularization - EBSD - High angle grain boundaries - Hot deformation process - Lamellar microstructure - Low angle grain boundaries - Micro-structure evolutions;

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摘要：

The microstructure evolution and the change of Burgers orientation relationship between α and β phase of TC17 titanium alloy with initial lamellar microstructure were researched by EBSD. The results show that dynamic recrystallization of β phase occurs during the hot deformation process. Meanwhile, the dynamic globularization of α phase includes the formation of subboundary and the fragmentation of α phase. The fragmentized α phase eventually transforms to globularized particle. In addition, the strict Burgers orientation relationship between α and β phase is destroyed, due to the activation of prismatic slip system and other slip or twin systems. © 2017, Science Press. All right reserved.

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