The Characteristic of {101¯2}<101¯1¯> Twin of Ti-10V-2Fe-3Al under Planar Wave Detonation

Author:

Wang Tong1,Yang Ping1,Zhang Jin2,Gu Xin-Fu1

Affiliation:

1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

2. Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China

Abstract

The microstructure evolution of the twin of TB6 (Ti-10V-2Fe-3Al) under planar wave detonation was studied. The initial microstructure of the alloy consists of an α and β phase. It is found that twin deformation is operated in only the α phase due to the limited slip system in this phase. α grains are mainly rotated from {101¯0} to {0002} during the deformation due to the {101¯2}<101¯1¯> twin. Twin variant selection is found in this study, and the orientation of all {101¯2} twins is oriented at {0002} in different α grains with different deformation degrees. The twin variant selection is well explained based on the strain relaxation along the loading axis and the Schmid factor for twinning shear.

Funder

Fundamental Research Funds for the Central Universities

Publisher

MDPI AG

Subject

General Materials Science

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