State Key Laboratory of Solidification Processing;
Northwestern Polvtechnical University;
Xi'an;
Shaanxi 710072;
PR China;
MHT Key Laboratory of Metal High Performance Additive Manufacturing and Innovative Design;
Northwestern Polytechnical University;
Xi'an;
Shaanxi 710072;
PR China;
Laser; cladding; liquid; phase; separation; microstructure; evolution; homogeneous; structure;