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Laser pulse initiation of RDX-A1 and PETN-A1 composites explosion

机译:RDX-A1和PETN-A1复合材料爆炸的激光脉冲启动

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摘要

The explosive thresholds H-cr of the composites cyclotrimethylenetrinitramine (RDX)-Al and pentaerythritol tetranitrate (PETN)-Al under the action of neodymium laser (wavelength 532 nm, pulse duration 14 ns) were experimentally determined for the first time as a function of the aluminum content. The experiments were performed using aluminum nanopowder with average diameter 100 nm. The gas-dynamic energy losses were prevented. The minimal thresholds achieved in the experimental conditions were determined that are H-cr = 1 J/cm(2) for the composites RDX-Al at the mass fraction of Al 0.2% and H-cr = 0.33 J/cm(2) for PETN-Al composites at aluminum mass fraction 0.1%. (C) 2019 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
机译:作为钕激光器(波长532nm,脉冲持续时间14ns)的作用,将复合材料的爆炸阈值H-Cr与诸如钕激光器(波长532nm,脉冲持续时间14ns)的作用下进行实验确定的爆炸阈值(Rdx)-al和季戊四醇四硝酸酯(PETN)-al铝含量。使用具有平均直径100nm的铝纳米液进行实验。防止了气体动态能量损失。确定在实验条件下实现的最小阈值,其在Al 0.2%和H-Cr = 0.33J / cm(2)的质量分数上是复合材料RDX-Al的H-Cr = 1J / cm(2)。铝质量分数0.1%的PETN-Al复合材料。 (c)2019燃烧研究所。由elsevier Inc.出版的所有权利保留。

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