Abstract

The influence of nanosized oxides of Ti, Al, Fe, and Si on the HMX thermolysis and combustion is reported. The following order of their catalytic efficiency in HMX thermolysis was obtained: TiO2>Fe2O3≈Al2O3>SiO2. The catalytic performance was analyzed and the key factors were shown to be specific surface area, content, and the acid/base properties of the metal oxide surface. Results reveal the burning rate increases and the pressure exponent decreases considerably by the addition of exceptionally nano-TiO2.

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