Origin of {332} <113> twinning and twin-twin intersections in a shock load metastable β Ti-12Mo alloy

被引：13
作者：
An, Xinglong [1 ]
Jiang, Wenting [1 ]
Ni, Song [1 ]
Chen, Zibin [2 ]
Wang, Zhangwei [1 ]
Song, Min [1 ]
机构：
[1] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
[2] Hong Kong Polytech Univ, Res Inst Adv Mfg, Dept Ind & Syst Engn, Hong Kong, Peoples R China
来源：
MATERIALS CHARACTERIZATION | 2023年 / 197卷
关键词：
High speed deformation; Twinning; Titanium alloy; Phase transformations; MECHANICAL-PROPERTIES; PHASE-STABILITY; DEFORMATION;
D O I：
10.1016/j.matchar.2023.112674
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, the origin of {332} < 113 > twinning and twin-twin intersections in a shock load metastable beta Ti-12Mo alloy were investigated. Direct observation of partially retained a '' phase and a '' {130} < 310 > twins in the junction areas of intersecting {332} < 113 > twins revealed the {332} < 113 > twinning mechanism to be beta -> alpha '' -> alpha T-{130}'' -> beta({332}T), filling the gap in understanding the stress induced alpha '' phase and alpha '' twinning behavior. Three types of twin-twin intersections were observed, including retaining alpha '' phase, secondary {332} < 113 > twinning and formation of kink bands in the intersecting areas.
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页数：7
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