The Slagging Model Research of Refining-Slag for High Aluminum Steel

Min Zhang; Jian Hua Zeng; Xing Di Yang; Yao Xian Zeng

doi:10.4028/www.scientific.net/AMR.602-604.90

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The Slagging Model Research of Refining-Slag for High Aluminum Steel
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The Slagging Model Research of Refining-Slag for High Aluminum Steel

Abstract:

To accurately control the Si content and ensure the function of slag refining in high aluminum steel, the direction and limits of reduction reaction for SiO2 were analyzed based on the thermodynamics. In addition, the thermodynamic prediction model of multi-element slag was studied. Then, a slag activity prediction model was established based on the coexistence theory. Using the model, the suitable ladle slag composition for high aluminum steel was calculated.