Detonation properties of nitromethane, deuterated nitromethane and bromonitromethane

Sheffield, Stephen A.; Davis, Lloyd L.; Engelke, Ray
April 2000
AIP Conference Proceedings;2000, Vol. 505 Issue 1, p789
Academic Journal
Liquid nitromethane (CH[SUB3]NO[SUB2] -- NM) is an important explosive material because of its chemical and physical simplicity. It has proved useful in studies of the chemistry and physics of initiation and detonation. We have experimentally investigated some of the effects on its properties due to replacing one of its hydrogen atoms with bromine (BrNM) and all its hydrogen atoms with deuterium (DNM). French workers have found that the failure diameter of DNM in glass is more than double that of NM.[1] We report critical diameters and diameter effect curves for NM, BrNM, and DNM confined in brass. In addition, detonation wave profiles were obtained by use of VISAR techniques. We recorded interface particle velocity profiles between the detonating liquids and polymethyl methacrylate (PMMA) windows. DNM has a larger critical diameter in brass than either NM or BrNM. DNM's diameter-effect curve lies below that of NM and above that of BrNM.


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