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The interaction between the slag containing titanium oxides (TiO 2 of 2.0 %-20.0 %) and a MgO-C based refractory was investigated by immersion test. The relationship between TiO 2 content in slag and corrosion rate of the refractory was studied. The microstructure and compositions of the corroded refractory were analyzed by SEM and X-ray diffraction. The corrosion mechanism of MgO-C based refractory in the slag containing titanium was proposed, and the effects of TiO 2 content, slag basicity (ω CaO /ω SiO 2 ) and temperature in molten bath on the corrosion rate of the refractory were obtained.
The interaction between the slag containing titanium oxides (TiO 2 of 2.0% -20.0%) and a MgO-C based refractory was investigated by immersion test. The relationship between TiO 2 content in slag and corrosion rate of the refractory was studied. The microstructure and compositions of the corroded refractory were analyzed by SEM and X-ray diffraction. The corrosion mechanism of MgO-C based refractory in the slag containing titanium was proposed, and the effects of TiO 2 content, slag basicity (ω CaO / ω SiO 2 ) and temperature in molten bath on the corrosion rate of the refractory were obtained.