1. College of Mechanical and Electrical EngineeringShaanxi University of Science and TechnologyXi'anShaanxi710021P. R. China
2. School of Materials EngineeringJiangsu University of TechnologyChangzhouJiangsu213001P. R. China
3. State Key Laboratory of Solidification ProcessingNorthwestern Polytechnical UniversityXi'anShaanxi710072P. R. China