Abstract
Metastable intermolecular composites (MICs) are mixtures of nanosized metal oxide/metal that are stable under normal conditions. Whereas heat output of typical CHNO-based energetic system is limited to stored chemical energy; MICs can offer vigorous exothermic reactions with substantial heat output. Ferric oxide is the most common oxidizer for MIC applications. Facile synthesis of Fe2O3 particles of 5 nm has been reported. Fe2O3 particles were harvested from their synthesis medium and re-dispersed in acetone with aluminium nanoparticles (NPs). Subsequently HMX, the most vigorous high explosive material, was dissolved in MIC colloid. HMX nanocomposite was developed via co-precipitation technique. Elemental mapping using SEM demonstrated uniform dispersion of MIC particles into HMX. HMX nanocomposite demonstrated an increase in total heat release by 53% using DSC. Additionally MIC particles offered an increase in HMX destructive effect by 17% using Kast test. It can be manifested that MIC particles with high interfacial surface area were effectively integrated into HMX with the development of vigorous energetic nanocomposite material. This is the first time ever to report on MIC-based HMX nanocoposite.
Published Version
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