Abstract
A method for measuring the electroconductivity profiles behind the detonation front in dense solid high explosives with a resolution of 0.1 mm was developed. The method has a measurement range more than an order of magnitude wider than the available methods. During the detonation of pressed PETN, RDX, and HMX, an electroconductivity peak with an amplitude of several Ω -1 cm -1 and a width of 40 to 70 ns was observed. The peak width is in agreement with the available data on the width of the chemical reaction zone. The peak is accompanied by a tail with an electroconductivity several times lower.
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