体积压缩对不同浓度纳米级碳和铝颗粒的 PETN 混合物激光脉冲启动阈值的影响

IF 0.4 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Russian Physics Journal Pub Date : 2025-03-03 DOI:10.1007/s11182-025-03387-2

V. P. Tsipilev, V. I. Oleshko, A. N. Yakovlev, V. A. Ovchinnikov, I. Yu. Zykov, E. V. Forat, I. A. Saidazimov, T. V. Grechkina

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Effect of volume compression on the thresholds of laser pulse initiation of PETN mixtures at various concentrations of nano-sized carbon and aluminum particles

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Effect of volume compression on the thresholds of laser pulse initiation of PETN mixtures at various concentrations of nano-sized carbon and aluminum particles

The energy thresholds and the kinetics of explosive degradation of PETN and its composites is studied experientially under ignition by a laser pulse (λ₀ = 1064 nm, τ_p = 12 ns) depending on the concentration of absorbing additives and the pressure changing in the range from 40 to 600 MPa. A complex dependence of the initiation thresholds on the pressure and additive concentration has been demonstrated. Results are explained by the authors within the framework of the thermal micro-spot model of initiating the transparent explosive components (the hot spot model).

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来源期刊

Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

50.00%

发文量

208

审稿时长

3-6 weeks

期刊介绍： Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.