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Thermites are energetic materials which are made of a metallic oxide mixed with a reducing
metal1. The reactivity of classical thermites is moderate but it can be substantially improved
when micron-sized particles are replaced by nanoparticles.
In this paper, three examples of nanothermites are given in order to illustrate the contribution
of these nanomaterials in the future spatial and defence applications:
- the incidence of the size of the metallic oxide particles on the reactivity was illustrated by
the case of WO3/Al nanothermites,
- the correlation between the composition/structure of the oxide phase and the reactivity was
achieved on AlxMoyOz/Al nanothermites,
- the fabrication of Gas Generating Nanothermites was performed by adding military
explosives in porous mineral oxides (Cr2O3; MnO2) used to fabricate nanothermites.
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Marc Comet, Denis Spitzer, Jean-Pierre Moeglin, "Nanothermites for space and defence applications," Proc. SPIE 7314, Photonics in the Transportation Industry: Auto to Aerospace II, 73140N (29 April 2009); https://doi.org/10.1117/12.821334