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

Research output: Contribution to journal › Article › peer-review

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
Journal	Chemical Communications
Early online date	1 Oct 2021
DOIs	https://doi.org/10.1039/D1CC03906G
Publication status	E-pub ahead of print - 1 Oct 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 - Michalchuk, Adam A. L.

AU - Rudić, Svemir

AU - Pulham, Colin R.

AU - Morrison, Carole A.

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N2 - 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.

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

M3 - Article

JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

ER -

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

Abstract

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