Corrosion Mechanism of Ladle Furnace Refining Slag to Fired MgO-CaO Bricks
摘要
Corrosion effect of ladle furnace (LF) refining slag on fired MgO-CaO bricks with about 34% CaO was studied by static crucible method,and corrosion mechanism was analyzed by techniques of scan electron micrograph,energy dispersive spectrometer,and X-ray diffraction. The results show that:MgO-CaO bricks exhibit excellent corrosion resistance but poor penetration resistance to LF refining slag; oxidation of (Mg·Fe)O in reaction zone results in volume expansion forming cracks; penetration of 2CaO·Fe2O3 (C2F) from slag to MgO-CaO bricks increases liquid phases which accelerates corrosion of the bricks; a protective layer of 2CaO·SiO2 formed on reaction interface prevents penetration of C2F to the bricks.
引用本文（GB/T 7714）
Hongbo Wan. Corrosion Mechanism of Ladle Furnace Refining Slag to Fired MgO-CaO Bricks[J]. 中国耐火材料：英文版, 2010.
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