1. The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and Technology Wuhan 430081 P. R. China
2. Hubei Engineering Technology Research Center of Marine Materials and Service Safety Wuhan University of Science and Technology Wuhan 430081 P. R. China
3. Institute of Iron and Steel Technology TU Bergakademie Freiberg 09599 Freiberg Germany