|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Coupling Advanced Characterization and Modeling Tools for Understanding Fundamental Phase Transformation Mechanisms: An MPMD Symposium in Honor of Hamish Fraser
||Evolution of Microstructure and Transformation Texture in Titanium Alloys
||Rongpei Shi, Dong Wang, Yufeng Zheng, Rajarshi Banerjee, Hamish Fraser, Yunzhi Wang
|On-Site Speaker (Planned)
Titanium alloys have seen increasingly widespread applications in aerospace industry. However, frequent occurrence of variant selection at different length scales not only results in a relative coarse alpha/beta microstructure but also leads to the formation of both micro- and macro-texture, which usually result in a significant reduction in the fatigue life of titanium alloy components. Using integrated characterization and computer simulation techniques, we first investigate systematically effects of various materials and processing parameters on variant selection occurring at different stages of precipitation and at different length scales, and their contributions to complex microstructure and texture evolution. We then explore various nonconventional, solid–solid phase transformation pathways that could offer new design strategies for Ti alloys with extremely ﬁne and micro-texture-free alpha precipitate microstructures. Our findings could shed light on how to tailor processing conditions for close control of microstructure and micro-texture in the development of titanium alloys.
||Planned: Supplemental Proceedings volume