Abstract
The activities of MnO and SiO2 along the liquidus line in the MnO-SiO2-Al2O3-FetO (1.2 to 6.7 mass pct) system were determined at 1823 and 1873 K by using a slag-metal equilibration technique. On the basis of the re-evaluated MnO iso-activity curves, the SiO2 and Al2O3 iso-activity curves were determined by using the ternary Gibbs-Duhem relation. The control of inclusions composition in Si-Mn killed steels is discussed based on the equilibria between inclusion and steel with respect to Si, Mn, Al, and O.
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Ohta, H., Suito, H. Activities in MnO-SiO2-AI2O3 slags and deoxidation equilibria of Mn and Si. Metall Mater Trans B 27, 263–270 (1996). https://doi.org/10.1007/BF02915052
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DOI: https://doi.org/10.1007/BF02915052