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Analysis of the effect of micromechanical phenomena on mechanical properties of energetic materials

: Eisenreich, N.; Geißler, A.; Geißler, E.; Hübner, C.

Fulltext urn:nbn:de:0011-n-216331 (269 KByte PDF)
MD5 Fingerprint: ef0dee4cf9c16b9e28642879b7d7c7ea
Created on: 26.9.2013

Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic materials - structure and properties : 35th International Annual Conference of ICT, June 29 - July 29, 2004
Pfinztal: ICT, 2004
Fraunhofer-Institut für Chemische Technologie (Internationale Jahrestagung) <35, 2004, Karlsruhe>
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <35, 2004, Karlsruhe>
Conference Paper, Electronic Publication
Fraunhofer ICT ()

Energetic Materials are explosive agents that generate large amounts of hot gases by an exothermic reaction without the need for atmospheric oxygen. Therefor the oxidizer must be available in form of molecularly bound functional groups or in form of discrete salts (e. g. ammonium perchlorate) containing oxygen. Modern solid propellants are highly filled composite materials consisting of a polymeric binder in which crystalline oxidizers the filler are incorporated in amounts of up to 90 wt.%.
Background of the performance of a composite propellant are micromechanical phenomena. Therefore, the understanding of micromechanical phenomena like matrix filler detachment, distribution of filler, crosslinking, chain scission and micromecanical deformation mechanism is the key to the understanding of the behaveor of composite propellants. These micromechanical phenomena influence the sensitivity to impacts during transportation and ignition and the combustion behavior. The performance of composite propellants is correlated with its mechanical properties.