Transactions of Materials and Heat Treatment

Title：Research progress on forging and control technology of microstructure and performance for TC series titanium alloys

Authors： Lin Yongcheng1 2 Xiao Yiwei1 2 Ding Yongfeng3 Zhang Xiaoyong4 Jiang Yuqiang1 2 Zhou Kechao4

Unit：

KeyWords：

ClassificationCode：TG316; TG156; TG335

year,vol(issue):pagenumber：2021,46(9):0-0

Abstract：

TC series titanium alloys are the key materials for the critical components of aerospace equipment. It mainly reviews the recent research process on the high temperature rheological behaviors, constitutive description, microstructure/texture evolution laws of hot deformation. Hot working process window optimization and optimization technology for microstructures of typical TC series titanium alloys. The results show that, the effects of initial microstructures on the rheological behavior and deformation mechanisms are significant. The phenomenological constitutive model, physically-based model and machine learning model can be used to describe the high temperature rheological behavior of TC series titanium alloys. The spheroidization rate of α phase and the dynamic recrystallization extent of β phase for TC series titanium alloys can be promoted by two-pass hot compression. The flow instabilities and forming defects can be avoided through the optimized hot forming process for TC series titanium alloys. The multi-scale simulation and the effects of hot forming-solution-aging processes on the microstructures properties should be further studied for the microstructure evolution of TC series titanium alloys during hot forming.

Funds：

国家自然科学基金资助项目（51775564）

蔺永诚(1976-)，男，博士，教授 E-mail：yclin@csu.edu.cn

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