Shi-changxu Innovation Center for Advanced Materials;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang 110016;
China;
School of Materials Science and Engineering;
University of Science and Technology of China;
Shenyang 110016;
China;
Xi'an Thermal Power Research Institute Co.Ltd.;
Xi'an 710032;
China;
Ni-Co based superalloy; Strain rate; Primaryγ'precipitates; Dynamic recrystallization; Microstructural evolution;