Kishore, Kaushal and Vencatesh, R and Verneke, Pai and Prasad, Ganga (1978) Storage stability of solid rocket fuels. 2. Effect of oxidizer loadings. In: Fuel, 57 (1). pp. 22-24.
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Ageing behaviour, leading to ballistic changes, has been studied as a function of oxidizer loading in polystyrene/ammonium perchlorate solid-propellants. The ageing studies were carried out at 100 °C in air. Change in burning rate decreased as the oxidizer loading increased from 75 to 80%. The change in thermal decomposition rates both at 230 and 260 °C also decreased as the oxidizer loading in the propellants increased. The shapes of the plots of the changes in burning rate and thermal decomposition rate (230 and 260 °C) at different storage times for different oxidizer-loaded propellants seem to be exactly similar. These results lead to the conclusion that the thermal decomposition of the propellant may be responsible for bringing about the ballistic changes during the ageing process. Infrared studies of the binder portion of the aged propellant indicate that peroxide formation takes place during the course of ageing and that peroxide formation for a particular storage time and temperature increases as the loading decreases.
| Item Type: | Journal Article |
|---|---|
| Publication: | Fuel |
| Publisher: | Elsevier Science |
| Additional Information: | Copyright of this article belongs to Elsevier Science. |
| Department/Centre: | Division of Chemical Sciences > Inorganic & Physical Chemistry |
| Date Deposited: | 18 Dec 2009 06:40 |
| Last Modified: | 18 Dec 2009 06:40 |
| URI: | http://eprints.iisc.ac.in/id/eprint/24107 |
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