Quantitative Analysis of Twinning-Induced Plasticity (TWIP) in Beta-Titanium Alloy
作者： Xiaohua Min , Xuejiao Chen , Satoshi Emura , Kaneaki Tsuzaki , Koichi Tsuchiya
DOI: 10.1002/9781118792148.CH140
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摘要: Work hardening behavior of Ti-15Mo alloy (mass %) was examined through quantitative evaluation the {332} twinning structural evolution at various plastic strain levels by optical microscope (OM) observations combined with electron backscatter diffraction analyses (EBSD). Based on analyzed images from micrographs, area fraction twins rapidly increases to 40% 0.05, and gradually reaches 52% 0.12. With further deformation a 0.17, it has no significant change. The EBSD inverse pole figure maps exhibit that become denser thicker increasing strain. A linear relationship is found between true stress square root mean free path dislocations up 0.12, indicating work mainly dominated dynamic microstructure refinement induced twinning.
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