College of Mechanical and Electrical Engineering;
Nanjing University of Aeronautics and Astronautics;
Nanjing 210016;
China;
School of Aerospace;
The University of Nottingham Ningbo China;
Ningbo 315100;
China;
Cohesive element theory; Finite element model; Fracture behavior scale; PCBN abrasive grain; Voronoi diagram;