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Aluminum nanoparticles application to energetic systems - new horizons or sunset?

: Gromov, Alexander; Teipel, Ulrich; Luca, L. de

Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic Materials. Particles, Processing, Applications : 45th International Annual Conference of ICT, June 24 - 27, 2014, Karlsruhe, Germany
Pfinztal: Fraunhofer ICT, 2014
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <45, 2014, Karlsruhe>
Fraunhofer ICT ()

A survey of nanoaluminum (mostly produced by electrical explosion of wires) usage in different energetic systems is carried out with the focus on nanometals efficiency. Improved kinetic characteristics of chemically reacting systems (burning and detonation rate enhancement for propellants, explosives and thermites) are typical for nanoaluminum, nAl. A weak correlation between nAl properties and the slow oxidation parameters was found as the result of a very wide scatter in powders characteristics. The burning rate enhancement factor K was analyzed for nAl-loaded solid propellants. The most promising energetic systems will be nAl-loaded solid fuels (HTPB-based, ice-based etc.) with chemically inert matrices.