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The Effects of Processing Variables on Resonant Acoustic Mixed Polymer Bonded Explosives

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poster
posted on 23.11.2018 by Andrew Claydon
Poster presented at the 2018 Defence and Security Doctoral Symposium.

Polymer Bonded Explosives (PBXs) are composite materials which consist of high explosive crystals bound in a polymer matrix. During manufacture, the crystals are dispersed throughout a liquid prepolymer, which is then cured into a crosslinked elastomeric solid. Dispersion can be achieved with Resonant Acoustic Mixing (RAM), a novel mixing technique which uses a vibrating platform to create longitudinal acoustic pressure waves which agitate the mixture. This work describes the outcomes of a comparison between the effects of different mixing vessel surfaces on process efficiency, and a way in which RAM equipment can be modified to mix PBX samples ‘in-situ’, in their end-use cases.

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MBDA

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m.j.smith@cranfield.ac.uk

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