Thermochemical Calculations for Some Selected Advanced Plastic Bonded Explosives

Document Type : Original Article

Authors

1 Omani Armed Forces, Oman.

2 Egyptian Armed Forces, Egypt.

Abstract

The parallel demand of energetic and low sensitive explosive formulations makes it necessary to investigate the explosive properties of many explosive formulations to determine which formulation has the required performance parameters for specific applications. Thermochemical calculations have been used for a long time with considerable success as fast-effective tool to investigate the explosive performance parameters of different types of explosive mixtures that are candidate for a given practical application and to minimize high cost of experimental work needed to evaluate efficiently the performance parameters of new synthesized explosive compositions. In this paper; EXPLO5 steady state equilibrium program was used to calculate the explosive characteristics and performance parameters for a number of plastic bonded explosive (PBXs) formulations. These are mixtures of explosives, either classical or advanced, (RDX, HMX, PETN, CL-20 and Bicyclo HMX) and either inert or energetic binder (HTPB or GAP). Low sensitive and castable plastic bonded explosive
formulations which satisfy the required performance parameters are selected. PBXs formulations containing CL-20 showed the highest values of detonation heat, detonation velocity, and brisance.

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