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Effect of Storage Temperatures on the Mechanical Properties of the Composite Solid Propellants

Kishore, K and Verneker, VR Pai (1979) Effect of Storage Temperatures on the Mechanical Properties of the Composite Solid Propellants. In: Combustion Science and Technology, 19 (3-4). pp. 107-118.

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Accelerated ageing studies for three composite propellant formulations, namely polystyrene (PS)/ ammonium perchlorate (AP), polymethylmethacrylate (PMMA)/AP and poly phenol formaldehyde (PPF)/AP have been carried out in the temperature range of 55-125°C. Measurements of the ultimate compression strength (Uc) and isothermal decomposition rate (TD rate) were monitored as a function of storage time and temperature. The change in Uc was found to be linearly dependent on the change in TD rate irrespective of the propellant systems. Analysis of the results further revealed that the cause of ageing for both Uc and burning rate (r) is the thermal decomposition of the propellant. The safe-life for the change in mechanical properties was found to be higher compared to the change in r for PS and PMMA based propellants.

Item Type: Journal Article
Publication: Combustion Science and Technology
Publisher: Taylor and Francis Group
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 20 Oct 2010 04:49
Last Modified: 26 Nov 2018 15:15
URI: http://eprints.iisc.ac.in/id/eprint/33307

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