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BALLISTIC RESPONSE OF THERMOPLASTIC COMPOSITE LAMINATED STRUCTURES

机译:热塑性复合层压结构的弹道响应

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Thermoplastic composite laminates are being used more in ballistic applications due to their high specific strength, stiffness, low cost, and higher strain-to-failure values. They display excellent energy absorbing mechanisms under impact such as back face cone formation, tension in primary yarns, deformation of secondary yarns, and shear plugging. The V50 test is a characteristic indication of the materials capabilities to resist high velocity impact for a specific areal density. The focus of the present work was to (a) understand the impact response of self-reinforced polypropylene (SRP) composites at a range of temperatures, ranging from cold (-40 C), room temperature (RT) and high temperature (up to 120 C), and (b) evaluate the effect of consolidation of SRP to their ballistic response, and (c) model the SRP in conjunction with ceramic facing. The study has applications in cargo containers, military vehicles, aircraft and other applications requiring resistance to impact loads
机译:由于其高比强度,刚度,低成本和更高的应变失效值,热塑性复合层压板在弹道应用中使用更多。它们在诸如背面锥形形成,初级纱线的张力,辅助纱线变形和剪切堵塞的施加下的抗冲击机制下显示出优异的能量吸收机制。 V50测试是材料能力的特征指示,以抵抗特定的面密度的高速冲击。本作工作的重点是(a)了解自增强聚丙烯(SRP)复合材料在一系列温度下的冲击响应,从冷(-40℃),室温(RT)和高温(最高) 120 c),(b)评估SRP将SRP整合到它们的弹道反应的效果,(c)与陶瓷面向相结合SRP。该研究在货物集装箱,军用车,飞机和需要抵抗抗冲击载荷的应用中有应用

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