Abstract
The heat of explosion of composites containing HMX and nanosized aluminum in a mass ratio of 85/15 has been studied by detonation calorimetry. Powders of nanoaluminum, mechanical mixtures, and nanocomposites have been stored in an unsealed container at room temperature under conditions of natural humidity for 18 months. The test results have shown that the heat of explosion of separately stored nanoaluminum decreases to a lesser extent than in the case of contact between the nanoaluminum and HMX during the storage of the composites. The most significant decrease in the heat of explosion is observed for the composites with the smallest nanoaluminum particles. The derived data have been used to analyze the effect of aging on the acceleration ability of the composites.
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