1. School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, P. R. China
2. Henan Joint International Research Laboratory of Non-Ferrous Materials, Henan University of Science and Technology, Luoyang, P. R. China
3. Collaborative Innovation Center of Nonferrous Metals of Henan Province, Henan University of Science and Technology, Luoyang, P. R. China
4. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, P. R. China