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锥头弹丸撞击下FRP层合板的侵彻与穿透的理论研究

DOI: 10.11858/gywlxb.2007.02.002, PP. 121-128

Keywords: FRP层合板,侵彻,穿透,弹道极限,锥头弹丸

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Abstract:

研究了锥头弹丸撞击下FRP层合板的侵彻和穿透性能,在局部化破坏模式假定的基础上改进了Wen提出的能量简化分析模型。改进模型仍假设弹体在侵彻过程中表面所受靶体的平均压力由靶体材料弹塑性变形所引起的静态阻力和速度效应引起的动阻力两部分组成,认为侵彻过程中靶体对弹体的阻力不再是一个常数,而是侵彻速度的函数。并由此推导出了锥头弹丸在侵彻和贯穿过程中的侵彻深度、残余速度和弹道极限速度的公式。理论预测与实验结果符合得很好。

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