Abstract
Magnesium aluminate spinel was prepared by auto combustion process using nitrate precursors as oxidizers and glycine as fuel. Different nitrate:glycine ratios were used to study the effect of amount of fuel on the spinel formation. Resultant products were calcined between 600° and 800°C and then characterized for phase analysis. Phase pure Mag-Al spinel was formed at 700°C, for all the compositions. 700°C calcined powders of all the three nitrate:glycine ratios were studied for sintering between 1500° and 1600°C and also the effect of Cr2O3 on sintering behaviour of all compositions were studied.