Investigation of the synthesis of ultradispersed diamonds in mixtures of TNT with RDX, HMX, and PETN

Abstract

The dependence of the yields of condensedcarbon and ultradispersed diamond (UDD), and the fraction of UDD in the carbon, on the composition of cast mixtures of TNT with RDX, HMX, and PETN, are investigated experimentally by detonations in a blast chamber. Mixtures having a TNT content from 90 to 35% are studied. It is shown that the yield of condensed carbon decreases linearly as the amount of TNT in the mixture is reduced, while the fraction of diamond phase in the carbon increases monotonically (for mixtures with PETN) or reaches a constant value (for mixtures with RDX and HMX). The dependence of the yield of UDD on composition of the explosive displays an extremum; the maximum yield is attained for a TNT content of 60-70%.