School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, F. R. China;
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, F. R. China;
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, F. R. China;
composite coating; austenite grey iron; Ni-based self-fluxing alloy powder; diffusion; bonding strength;