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Microstructure of the PBX KS32 after mechanical loading investigated by x-ray diffraction and DMA

: Herrmann, M.

Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic Materials. Characterization and Modeling of Ignition Process, Reaction Behavior and Performance : 44th International Annual Conference of ICT, June 25 - 28, 2013, Karlsruhe, Germany; Proceedings
Pfinztal: Fraunhofer ICT, 2013
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <44, 2013, Karlsruhe>
Fraunhofer ICT ()

Plastic bonded explosives are highly filled polymers containing up to 90% high energy crystalline solid loads. Different non-destructive X-ray diffraction techniques were applied in order to characterize the ingredients of PBXs and their behavior in shock-loading tests. The investigations revealed damages to embedded coarse HMX crystals such as deformation twinning and crystal cleavage, and a change in the micro structure of the binder HTPB; the latter was verified by advanced DMA investigations.
The investigations are part of a bilateral cooperation and a project agreement on Insensitive High Explosives for High Speed Penetrators (IHE-HSP) between the USA and Germany.