Abstract

Porous, sometimes called distended, materials consist of solid materials and voids such that the foam or compact is less than the theoretical maximum density (TMD). Porous high explosives (HEs) are compacts made by pressing (consolidating) crystals or multicrystal-line agglomerates together. The compact density may be as little as 50% or as much as 99% of the density of the solid material. Explosives used for munitions as well as blasting are often made in this way. Shock-loading studies of porous materials, particularly metals, have been done over the years and there are a number of papers in the literature (both English and Russian) dealing with this. In this chapter, however, we will concentrate on HE materials and discuss only studies with direct application.

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