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HERO ID
7764430
Reference Type
Journal Article
Title
Systematic Study of the Explosive Chemical Kinetics of Derivatives of ETN and PETN at Low Pressure
Author(s)
Cawkwell, MJ; Perriot, R; Lease, N; Manner, VW
Year
2020
Is Peer Reviewed?
Yes
Journal
AIP Conference Proceedings
ISSN:
0094-243X
EISSN:
1551-7616
Publisher
American Institute of Physics Inc.
Book Title
AIP Conference Proceedings
Volume
2272
Language
English
DOI
10.1063/12.0000788
Web of Science Id
WOS:000616190800008
Abstract
The delay times prior to the thermal runaway of the explosives erythritol tetranitrate (ETN), erythritol tetraazide (ETA), pentaerythritol tetranitrate (PETN), cyclotrimethylene trinitramine (RDX), and cyclotetramethylene tetranitramine (HMX) have been obtained using molecular dynamics simulations with a semi-empirical model for the interatomic forces. We find that the mean delay times for each of the explosives follow Arrhenius chemical kinetics despite the complexity of the underlying chemical reactions. The temperatures required for these explosives to transition to thermal runaway appears to be correlated with their impact sensitivities, in accord with observations of Wenograd in the early 1960s. © 2020 American Institute of Physics Inc.. All rights reserved.
Editor(s)
Zaug J.
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