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首页> 外文期刊>Textile Research Journal >Heat as a Factor in the Penetration of Cloth Ballistic Panels by 0.22 Caliber Projectiles
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Heat as a Factor in the Penetration of Cloth Ballistic Panels by 0.22 Caliber Projectiles

机译：热量是0.22口径弹丸穿透弹道板的一个因素

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摘要

This report explores the possibility that heat plays a role in the penetration of cloth ballistic panels by 0.22 caliber projectiles. We postulate tha theat is generated by friction between the surface of the projectile and the yarns, between filaments within a yarn in advance of and in the path of the projectile. Evaluations by light microscopy, polarized light microscopy, and scanning electron microscopy show heatinduced damage in fibers in the path of and several layers preceding the layer at which a 0.22 caliber projectile comes to rest. Polarizationmicroscopy of impacted yarns reveals differences in birefringence within the fibers close to the hole made by the projectile compared with the same fiber at a greater distance from the hole. Heat is an energy sink, and depending on how, when, and where it is generated, can degrade the ballistic performance of the yarns. The quantitative importance fo heat in affecting balistic panel performance is elusive: consequently, the discussion presented here is largely qualitative.
机译：该报告探讨了热量在0.22口径弹丸渗透布质防弹板中的作用。我们假设，这是由弹丸表面与纱线之间，在弹丸之前和路径中纱线内的长丝之间的摩擦产生的。通过光学显微镜，偏光显微镜和扫描电子显微镜进行的评估显示，在0.22口径弹丸停滞的那一层之前以及其前面几层的路径中，纤维中的热诱导损伤是由热引起的。受到冲击的纱线的偏振显微镜显示，与在距孔较大距离处的相同纤维相比，靠近由射弹形成的孔的纤维内的双折射差异。热量是一个能量吸收器，取决于产生热量的方式，时间和位置，它们可能会使纱线的弹道性能下降。热量在影响平衡板性能方面的定量重要性是难以捉摸的：因此，此处提出的讨论在很大程度上是定性的。

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