Abstract

The effect of a CaO2-Al high-caloricity additive on the combustion of a CrO3-La2O3-Cr low caloric mixture is studied. The resultant mixture can burn at an additive content above 20%, with the combustion products having a cast appearance at an additive content above 30%. The additive content and gas pressure produce a significant effect on the phenomenology and regularities of combustion, the process of structure formation, and chemical and phase composition of the autowave synthesis products. The mutual high-temperature dissolution of oxides yields an lanthanum-chromite-based oxide material containing CaO and Al2O3, components that have a stabilizing effect and make it possible to modify the physical and chemical properties of lanthanum chromite.

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