Vibration-induced decomposition of trinitrobenzene

Loginov, N. P.; Muratov, S. M.; Epifanov, V. B.

doi:10.1007/bf00749087

Cited by 1 publication

(1 citation statement)

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“…Apart from those papers on polymers and polymer composites which refer more or less opaquely to energetic applications, little was published on the topic of vibrational heating of energetic materials between the late 1970s and around a decade ago. One exception to this was Loginov and colleagues, who followed their early work (discussed earlier) with a number of papers on this topic between 1976 and 2009 [16,45,[89][90][91][92][93][94][95][96][97].…”

Section: Vibrational Heating Of Energetic Materialsmentioning

confidence: 99%

Vibration-Induced Heating of Energetic Materials: A Review

Perry

Walley

2021

J. dynamic behavior mater.

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The transport of energetic materials—whether by truck over rough terrain, or attached to the undercarriage of a high-performance jet aircraft—carries a certain level of inherent risk as the repeatedly applied stresses from vibration may lead to heating, mechanical degradation, and potentially even the triggering of an ignition event. Increasing knowledge of the underlying physics which control ignition is allowing us to better understand, and thus reduce, the risk of a catastrophic event occurring. The Apollo and Space Shuttle programmes provided motivation for research into the topic in the 1960s and 1970s, and some recent studies have focussed on the grain-scale physics of ignition. However, much of the useful insight has arisen from work with other primary applications in mind. Therefore, this review aims to bring together literature from several fields, with the intention of better understanding vibration-induced heating (VIH) phenomena in energetic materials. Sensitivity, VIH in viscoelastic polymers and inert composites, and a technique known as vibrothermography which uses VIH to detect cracks, are all considered where relevant read-across can be found. Often being viscoelastic materials and composites with complex rheology, energetic materials subjected to vibrational loading tend to warm up, with potential for even greater temperature rises due to anisotropy-driven localised heating mechanisms. Binders soften as temperature rises, and the chance of damage increases, which may lead to runaway heating and thermal failure (if mechanical failure does not occur first).

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