Abstract
It is important to define a methodology to assess the safe handling conditions of explosive materials. Such a route must be simple enough to capture relevant mechanisms in order to construct a modeling capability. To this end, a series of plate impact experiments has been undertaken in order to characterize the unreacted Hugoniot of a research, castable, plastic-bonded explosive (PBX) RF-38-22. A second program, using embedded particle velocity sensors, has been undertaken to investigate the shock to detonation transition (SDT) in the PBX. The experimental facility is described, the techniques used are discussed, the material is introduced, and results obtained are reported. The data obtained have been used to calibrate a hydrocode model for SDT based on viscoplastic ignition and subsequent grain burning, with pressure-dependent kinetics. This model is described, and results of calculations are presented. This represents the program in the construction of the methodology. It is hoped that further work will increase its applicability.
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