Catalytic influence of nanosized titanium dioxide on the thermal decomposition and combustion of HMX

Nikita Muravyev, Alla Pivkina, Joop Schoonman, Konstantin Monogarov

Research output: Contribution to journal › Article

Abstract

The influence of nanosized oxides of titanium, aluminum, iron, and silicon on HMX thermolysis is reported. 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. The acidity of the surface of nanosized titania was varied to evaluate the subsequent changes in catalytic efficiency on HMX combustion and thermolysis processes. Various thermal analysis techniques were applied to characterize the HMX decomposition: DSC, TG, simultaneous in situ mass spectrometry of the gaseous species, and thermokinetic modeling. Based on the experimental results, the model of the nanosized titanium oxide influence on the HMX decomposition is proposed.

Original language	English
Pages (from-to)	211-228
Number of pages	18
Journal	International Journal of Energetic Materials and Chemical Propulsion
Volume	13
Issue number	3
DOIs	https://doi.org/10.1615/IntJEnergeticMaterialsChemProp.2014011028
Publication status	Published - 2014
Externally published	Yes

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Keywords

Catalysis
Energetic system
Nitramine

ASJC Scopus subject areas

Materials Science(all)

Cite this

Muravyev, N., Pivkina, A., Schoonman, J., & Monogarov, K. (2014). Catalytic influence of nanosized titanium dioxide on the thermal decomposition and combustion of HMX. International Journal of Energetic Materials and Chemical Propulsion, 13(3), 211-228. https://doi.org/10.1615/IntJEnergeticMaterialsChemProp.2014011028

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AB - The influence of nanosized oxides of titanium, aluminum, iron, and silicon on HMX thermolysis is reported. 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. The acidity of the surface of nanosized titania was varied to evaluate the subsequent changes in catalytic efficiency on HMX combustion and thermolysis processes. Various thermal analysis techniques were applied to characterize the HMX decomposition: DSC, TG, simultaneous in situ mass spectrometry of the gaseous species, and thermokinetic modeling. Based on the experimental results, the model of the nanosized titanium oxide influence on the HMX decomposition is proposed.

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10.1615/IntJEnergeticMaterialsChemProp.2014011028