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Russian Journal of Physical Chemistry B

, Volume 6, Issue 4, pp 511–516 | Cite as

Effect of the initial temperature on the threshold of laser initiation of pentaerythritol tetranitrate seeded with aluminum nanoparticles

  • B. P. AduevEmail author
  • G. M. Belokurov
  • D. R. Nurmukhametov
Combustion, Explosion, and Shock Waves

Abstract

The effect of temperature on the threshold of explosive decomposition of pentaerythritol tetranitrate samples with a density of ρ = 1.73 g/cm3 containing 0.1 wt % 100- to 120-nm aluminum particles under the action of laser pulses (λ = 1.06 μm, τ = 20 ns) is examined. A model capable of describing the experimental results is proposed, according to which the explosive decomposition of the samples is associated with the absorption of laser radiation by structural defects of pentaerythritol tetranitrate and aluminum nanoparticles. It is demonstrated that, at 300 K, explosion initiation is largely determined by the heating of aluminum nanoparticles with the formation of chemical decomposition kernels nearby.

Keywords

explosion pentaerythritol tetranitrate nanoparticles laser pulse 

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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • B. P. Aduev
    • 1
    Email author
  • G. M. Belokurov
    • 1
  • D. R. Nurmukhametov
    • 1
  1. 1.Kemerovo Department of the Institute of Solid-State Chemistry and Mechanochemistry, Siberian BranchRussian Academy of SciencesKemerovoRussia

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