Prediction of safe life of propellants

(Гарман Н.С., Пикард Д.P., Полански С., Мерфи Д.M. Прогнозирование гарантийных сроков использования порохов).Technical report. - Dover, New Jersey: Picatinny Arsenal. 1973. -32 p.The measure of chemical stability and the prediction of safe storage life is of prime interest to the manufacturer and use of propellants. This report will discuss the results obtained with standard artillery propellant when exposed to artificial ageing at various temperatures. The measurements of residual stabilizer versus time have been used as the criteria for propellant deterioration. A kinetic interpretation of this deterioration phenomena employing Berthelot's Law demonstrates that a family of straight lines can be plotted characterizing the length of time necessary at the various test temperatures to obtain a given variation of stabilizer content. By establishing realist cut-off points in regard to stabilizer content, propellant safe life may be safely calculated at any storage temperature.