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Technology of foamed propellants

: Böhnlein-Mauß, J.; Kröber, H.


Propellants, explosives, pyrotechnics 34 (2009), Nr.3, S.239-244
ISSN: 0340-7462
ISSN: 0721-3115
ISSN: 1521-4087
Fraunhofer ICT ()

Foamed propellants are based on crystalline explosives bonded in energetic reaction polymers. Due to their porous structures they are distinguished by high burning rates. Energy content and material characteristics can be varied by using different energetic fillers, energetic polymers and porous structures. Foamed charges can be produced easily by the reaction injection moulding process. For the manufacturing of foamed propellants a semi-continuous remote controlled production plant in pilot scale was set up and a modified reaction injection moulding process was applied. This paper presents an overview on the technology of foamed propellants including thermodynamical calculations the manufacturing process and the material characteristics.