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Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron
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在不活性塑料结合爆炸物 (PBX) 模拟剂内进行热降解的地下光谱,使用反辅助波面成型.

Benjamin R Anderson1, Natalie Gese1, Hergen Eilers1

  • 1Applied Sciences Laboratory, Institute for Shock Physics, Washington State University, Spokane, Washington, USA.

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概括

在聚合物模拟剂中嵌入惰性高爆炸性模拟晶体 (EYAD) 可以提高其热稳定性. 该聚合物限制了化,允许光在较高的温度比裸体晶体.

关键词:
拉曼·拉曼,拉曼·拉曼,拉曼·拉曼.波浪正面形成的形状没有秩序的材料.光是一种光.不同质的材料不同质的材料.散射散射是一种散射.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 频谱学是一种光谱学.
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 了解能量材料的热降解对于安全性和性能至关重要.
  • 光谱技术对于在各种条件下对材料特性进行表征至关重要.
  • 由于光散射,异质材料对地下分析提出了挑战.

研究的目的:

  • 为了研究塑料结合爆炸模拟剂中的惰性高爆炸性模拟物 (Eu:Y(acac) 3 ((DPEPO) - EYAD) 的地下热降解.
  • 评估将EYAD晶体嵌入异质聚合物矩阵对其热稳定性和光谱性质的影响.
  • 为了证明反辅助波面成型的实用性,用于复杂材料中增强的地下光谱学.

主要方法:

  • 利用反辅助波面成型,将光聚焦到聚合物模拟剂内的嵌入式EYAD晶体上.
  • 采用光和拉曼光谱仪来监测EYAD的热降解.
  • 嵌入式EYAD与赤裸的EYAD晶体在一个温度范围内比较的光谱特征.

主要成果:

  • 在异质聚合物中嵌入EYAD显著提高了其热稳定性.
  • 在聚合物中,EYAD光度持续到>612 K,而裸体晶体的火程度为500 K.
  • 由于增强的光聚焦,观察到嵌入式EYAD的更好的光谱特征.

结论:

  • 聚合物矩阵通过限制化效应来增强EYAD晶体的热稳定性.
  • 波面造型是一种有效的技术,用于探测异质能量材料的地下热降解.
  • 这项研究提供了关于通过矩阵嵌入来稳定高能材料的见解,以提高性能和安全性.