Corrosion of AZS and AZ crucibles in contact with a blast-furnace slag-based glass

Abstract A qualitative corrosion study was carried out on Al2O3–ZrO2–SiO2 and Al2O3–ZrO2 crucibles in contact with a glass prepared from a mixture of a blast-furnace slag and cullet (soda lime glass). Chemical, microscopy, X-ray diffraction, and micro-Raman spectroscopy investigations are reported. No difference in corrosion resistance was found between the two materials, and the dissolution of alumina and mullite is considered to be a homogeneous reaction at the interface.