Comparison of some thermal and kinetic properties of stable and unstable double base propellants

23 p.The ageing of gun propellants causes decrease of a number of relevant propellants properties (decrease of nitrocellulose molar mass, decrease of stabiliser content, decrease of specimen mass, change of mechanical properties, change of ballistic properties, change of thermal properties, etc.). The quality of propellants at a given moment of time, i.e. their stability, may be determined by measuring these properties. On the other hand, the ageing increases propellants thermal hazard potential, i.e. possibility of the self-ignition. Thus, it is necessary to quantify propellants quality and stability by measuring both, the changes of propellants relevant properties and thermal hazard potential.