1. Institute of Iron and Steel Technology TU Bergakademie Freiberg Leipziger Str. 34 09599 Freiberg Germany
2. The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and Technology Wuhan 430081 China
3. Institute of Materials Engineering TU Bergakademie Freiberg Gustav-Zeuner-Str. 5 09599 Freiberg Germany
4. Technische Universität Bergakademie Freiberg