CAS Key Laboratory of Nuclear Materials and Safety Assessment;
IMR(NMSA);
Shenyang 110016;
China;
Shi-changxu Innovation Center for Advanced Materials;
Institute of Metal Research;
Chinese Academy of Sciences;
China;
College of Material Science and Engineering;
Shenyang Areospace University;
Shenyang 110136;
China;
Superalloy; γ’Phase; Thermal exposure; Microstructure; Tensile property; Fracture;