EFFECT OF ADDITION OF NANOSTRUCTURED ALUMOMAGNESIUM SPINEL OBTAINED BY SHS-METHOD ON PHYSICOMECHANICAL PROPERTIES OF SPINEL CERAMICS
The effect of addition of nanostructured alumomagnesium spinel obtained by the SHS method on physico-mechanical properties of spinel-based ceramics has been studied. It has been shown that the addition of the powder obtained by the SHS method leads to an intensification of sintering of spinel ceramics (reduction in open porosity from 12.0% to 6.1% is the case of addition of 10% of the additive and from 12.0% to 1.9% with the addition of 30% of the additive). The intro- duction of 30% (by weight) of the additive obtained by the SHS method causes a decrease in the modulus of elasticity from 180 to 140 GPa. When 100% of the spinel obtained by the SHS method is sintered, the Young's modulus is 106 GPa. The reduction in the Young's modulus contributes to an in- crease in the thermal shock resistance of high-temperature spinel ceramics.