The Wettability, Interfacial Tension and Dissolution of Alumina, Spinel and Calcium aluminate with/in Ladle and Tundish Slags

Inclusion removal is key for achieving clean steel. Better understanding of the removal process requires improved knowledge of the inclusion-slag interfacial/wetting chemistry and dissolution kinetics. However there are little wetting data and conflicting kinetic information available. The aim of this study was the evaluation of the wetting/interfacial tension in the inclusion-slag systems and fundamental understanding the dissolution kinetics of inclusions in slags (i.e. establishing the rate-controlling step of dissolution).