1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Beijing, P. R. China
2. Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing, P. R. China
3. China Metallurgical Planning and Research Institute, Beijing, P. R. China
4. Shougang Jingtang United Iron & Steel Corporation Limited, Tangshan, P. R. China