State Key Laboratory of Solidification Processing;
Northwestern Polytechnical University;
Xi’an 710072;
China;
Analytical and Testing Center;
Northwestern Polytechnical University;
Xi’an 710072;
China;
State Key Laboratory of Rolling and Automation;
Northeastern University;
Shenyang 110819;
China;
State Key Laboratory of Super hard Materials;
Jilin University;
Changchun 130012;
China;
National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials;
Henan University of Science and Technology;
Luoyang 471003;
China;
Segregation; Sub-rapid solidification; Generalized stability; Twin-roll casting; Thermo-kinetics;