Science and Technology of Energetic Materials

Vol.66, No.5 (2005)Special Issue for ISEM 2005


Dynamic mechanical analysis for characterization of solid rocket propellants - transitions in double base propellant
Jiri Pachman and Jakub Selesovsky


Dynamic mechanical analysis has been applied to characterize frequency dependency of transitions observed in double base solid rocket propellant. Two transitions were observed one designated α at temperature interval from 213 to 273 K with peak in tan δ around 258 K and second above room temperature designated β with peak in tan δ around 338. Apparent activation energies were calculated from peak and onset values of dynamic properties measured at frequencies from 0.1 to 20 Hz. The activation energies found for the α transition were higher than for the β transition. Absolute values of these activation energies varied significantly depending on the dynamic property used for evaluation.

> Full text (Open access*)


DMA, dynamic mechanical analysis, propellant, DBP, transition

© Copyright 1999-2017 Japan Explosives Society. All right reserved.