Two stages of growth of electrical conductivity of detonation products of plasticbonded TATB are registered: a fast stage with a characteristic time of 0.1 µsec, which is commensurable with the time of chemical reactions, and a subsequent slow stage, which lasts for 0.5-1.0 µsec until specimen unloading begins. Under the assumption of the thermal mechanism of conductivity emergence, the second stage could be caused by an increase in temperature due to slow energy release in the course of growth of carbon nanoparticles in explosion products.
The modified impedance matching method was used for investigation of isentropic expansion of the detonation products of plasticized TATB-based composition. Experimental installation consists of flat aluminum flyer plate, aluminum "shield", the sample of explosive and inert barrier. The thickness of explosive sample is 15 mm. It was used 14 substances with various densities. Measured values of the shock wave velocity in the barrier were used for determination of particle velocity and pressure. Obtained results are in agreement with simulation and with experimental data for similar composition T 2 .
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