Predicting the impact sensitivity of a polymorphic high explosive: the curious case of FOX-7

Adam A. L. Michalchuk; Svemir Rudić; Colin R. Pulham; Carole A. Morrison

doi:10.1039/D1CC03906G

Predicting the impact sensitivity of a polymorphic high explosive: the curious case of FOX-7

Adam A. L. Michalchuk
, Svemir Rudić
, Colin R. Pulham
, Carole A. Morrison

Chemistry

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Abstract

The impact sensitivity (IS) of FOX-7 polymorphs is predicted by phonon up-pumping to decrease as layers of FOX-7 molecules flatten. Experimental validation proved anomalous owing to a phase transition during testing, raising questions regarding impact sensitivity measurement and highlighting the need for models to predict IS of polymorphic energetic materials.

Original language	English
Pages (from-to)	11213-11216
Number of pages	4
Journal	Chemical Communications
Volume	57
Issue number	85
Early online date	1 Oct 2021
DOIs	https://doi.org/10.1039/D1CC03906G
Publication status	Published - 4 Nov 2021

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title = "Predicting the impact sensitivity of a polymorphic high explosive: the curious case of FOX-7",

abstract = "The impact sensitivity (IS) of FOX-7 polymorphs is predicted by phonon up-pumping to decrease as layers of FOX-7 molecules flatten. Experimental validation proved anomalous owing to a phase transition during testing, raising questions regarding impact sensitivity measurement and highlighting the need for models to predict IS of polymorphic energetic materials.",

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AU - Pulham, Colin R.

AU - Morrison, Carole A.

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AB - The impact sensitivity (IS) of FOX-7 polymorphs is predicted by phonon up-pumping to decrease as layers of FOX-7 molecules flatten. Experimental validation proved anomalous owing to a phase transition during testing, raising questions regarding impact sensitivity measurement and highlighting the need for models to predict IS of polymorphic energetic materials.

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DO - 10.1039/D1CC03906G

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SP - 11213

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JO - Chemical Communications

JF - Chemical Communications

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Predicting the impact sensitivity of a polymorphic high explosive: the curious case of FOX-7

Abstract

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