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A Study on the Shelf-life Prediction of the Single Base Propellants Using Accelerated Aging Test  

Lee, Jong-Chan (Defense Agency for Technology and Quality)
Yoon, Keun-Sig (Defense Agency for Technology and Quality)
Kim, Yong-Hwa (Defense Agency for Technology and Quality)
Cho, Ki-Hong (Defense Agency for Technology and Quality)
Publication Information
Journal of Korean Society for Quality Management / v.35, no.2, 2007 , pp. 45-52 More about this Journal
Abstract
The danger of self-ignition of single base propellants will increase with time. Therefore, a good prediction of the safe storage time is very important. In order to determine the remaining shelf-life of the propellants, the content of stabilizer is determined. The propellants stored under normal storage conditions about 10 to 18 years were investigated and accelerated aging test was carried out by storing propellant sample at higher temperature. Finally, we analyzed the results by various methods in order to show the best way to predict the realistic shelf-life. The safe storage life of the propellants will be 24 years, at least 15 years. In case of applying Arrhenius's law, using the reaction rate constant at 28$^{\circ}C$ to 30$^{\circ}C$ to predict the shelf-life by accelerated aging test is reasonable for a good prediction.
Keywords
Single Base Propellants; Shelf-life; Accelerated Aging Test; Stabilizer;
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