School of Mechanical and Electrical Engineering;
Henan University of Technology;
Zhengzhou 450001;
China;
National Key Laboratory for Precision Hot Processing of Metals;
Harbin Institute of Technology;
Harbin 150001;
China;
School of Materials Science and Engineering;
Shandong University of Science and Technology;
Qingdao 266590;
China;
TiAl-based alloy; microstructure; mechanical property; strengthening;