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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2024 Volume 50, Issue 24, Pages 3–5 (Mi pjtf6857)

International Conference Physics.SPb/2024

Ignition of inhomogeneous nanothermite mixtures

O. B. Kudryashovaa, N. E. Toropkovab, M. I. Lernerab

a Tomsk State University, Tomsk, Russia
b Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

Abstract: To assess the reactivity of nanothermites, the mathematical model of ignition of a nanothermite tablet by a hot body or radiation flux is expanded to take into account the incomplete homogeneity of the mixture. An approximation expression is given for the ignition time depending on the conditions and degree of homogeneity.

Keywords: nanothermite, degree of homogeneity, ignition, reactivity.

Received: 12.04.2024
Revised: 22.06.2024
Accepted: 30.10.2024

DOI: 10.61011/PJTF.2024.24.59426.6263k



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© Steklov Math. Inst. of RAS, 2025