Abstract

In this article we describe a laser interferometer system for measuring the particle velocity history of a diffuse reflector and related experimental techniques which are applicable to the study of shock and detonation behavior of condensed-phase explosives. This is followed by a discussion of the wide range of interferometric studies currently in progress which are aimed at obtaining new and more accurate data concerning the thermomechanical and thermochemical properties of explosives. These studies include work on the shock initiation of the heterogeneous and homogeneous explosives, PBX-9404 and liquid nitromethane, respectively. Both of these studies have provided quantitative information for the estimation of the overall reaction kinetics of condensed-phase explosives under shock loading.

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