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Initiation and Decomposition of Tetrazole Containing Green Energetic Materials

Published online by Cambridge University Press:  11 January 2012

Nicholas W. Piekiel ,
Richard E. Cavicchi  and
Michael R. Zachariah
Nicholas W. Piekiel
Affiliation:
Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, U.S.A.
Richard E. Cavicchi
Affiliation:
Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, 20899
Michael R. Zachariah
Affiliation:
Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, U.S.A. Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, 20899
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Abstract

A T-Jump/Time-of-Flight Mass Spectrometer (T-Jump/TOFMS) is used to probe the decomposition of several aminotetrazole containing energetic materials under very high heating rates of 105-106 K/s. Subtle differences between materials in functional group placement and anion composition allow for further understanding of the decomposition pathway of the tetrazole structure and various anions. Two decomposition pathways for the tetrazole ring are observed, which result in the primary formation of HN3 or N2. Further analysis is performed using a rapid-heating μ-DSC device, which revealed lower activation energies than previously reported.

Keywords

energetic materialkineticsmass spectroscopy
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1405: Symposium Y – Advances in Energetic Materials Research , 2012 , mrsf11-1405-y08-05
Copyright
Copyright © Materials Research Society 2012

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