Characteristics of Melt Cast Compositions Based on cis-1,3,4,6-Tetranitrooctahydroimidazo-[4,5 d] imidazole (BCHMX)/TNT

摘要: cis-1,3,4,6-Tetranitrooctahydroimidazo-[4,5 d]imidazole (BCHMX) is a new bicyclic nitramine which has been prepared using two-stage synthetic method. In this work, melt cast composition based on BCHMX/TNT (60/40 by wt.) was prepared. For comparison purposes, Composition B RDX (1,3,5-trinitro1,3,5-triazacyclohexane)/TNT wt.), and HMX (1,3,5,7-tetranitro-1,3,5,7tetraazacyclooctane)/TNT were also studied. Impact friction sensitivities of these compositions the individual explosives determined. The detonation velocities measured experimentally. performance studied measuring brisance Kast parameters calculated EXPLO5 thermodynamic code. results show that mixing nitramines with TNT decreases their sensitivities. more sensitive to impact than while it higher parameters, at same level as HMX/TNT. comparison, highest relative It postulated characteristics BCHMX it, in those HMX, are due positive heat formation for nitramine.