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Effect of mechanical treatment on the reactivity of ammonium perchlorate

Deevi, Seetharama C (1988) Effect of mechanical treatment on the reactivity of ammonium perchlorate. In: Journal of Materials Science (full set), 23 (1). 201 -207.

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Thermal reactivities of ammonium perchlorate (AP) pressed at 1500 kg cm–2 for various dwell times ranging from 0 to 45 min have been investigated. Reactivity of AP is observed to (a) increase with increase of dwell time up to 15 min and (b) decrease for the compacts obtained at higher dwell times. X-ray diffraction profiles of the compacts indicated a broadening up to 15 min dwell time and a narrowing thereafter. The increase in the reactivity has been attributed to the increase in the number of gross imperfections and plastic deformation of particles. The decrease in the reactivity is explained in terms of recrystallization after plastic deformation. Local heating is shown to exist during compaction though its macroscopic effect is insignificant during compaction of AP.

Item Type: Journal Article
Publication: Journal of Materials Science (full set)
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 15 Sep 2010 10:22
Last Modified: 19 Sep 2010 06:16
URI: http://eprints.iisc.ac.in/id/eprint/32160

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