College of Mechanical and Electrical Engineering;
Shaanxi University of Science and Technology;
Xi’an;
710021;
Shaanxi;
China;
School of Materials Science and Engineering;
Northwestern Polytechnical University;
Xi’an;
710072;
Shaanxi;
China;
Zhejiang Wenzhou Research Institute of Light Inousty;
Wenzhou;
325002;
Zhejiang;
China;
Powder metallurgy nickel-based superalloy; Isothermal compression; Grain size; Grain shape calculation method; Electron backscatter diffraction; Grain shape aspect ratio;