Abstract
Alumina‐chrome bodies were prepared by slip casting route. Slip casted bodies were sintered in the temperature range of 1550–1650 °C in reducing atmosphere with 2 h soaking time at peak temperature. Highly dense alumina‐chrome body with bulk density 4.24 g/cc and almost zero apparent porosity were obtained at 1650 °C. The hot corrosion test of alumina‐chrome crucible against borosilicate glass was carried out in static condition at 1200 °C for 4 h. The study of the glass–refractory interface after static corrosion test was done by scanning electron microscopy, energy dispersive X‐ray spectroscopy analysis and X‐ray diffraction (XRD) analysis. The XRD pattern of glass–refractory interface does not show formation of any new phases. Elemental mapping of glass–refractory interface indicates corrosion up to a depth of 70 µm has taken place in the form of ion migration.
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