[1] Univ Leoben, Chair Ferrous Met, Franz Josef Str 18, A-8700 Leoben, Austria
[2] Univ Leoben, Dept Geol Sci, A-8700 Leoben, Austria
[3] Siemens VAI Met Technol GmbH, A-4031 Linz, Austria
[4] Voestalpine Stahl GmbH, A-4020 Linz, Austria
[5] Voestalpine Stahl Donawitz GmbH, A-8700 Leoben, Austria