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高速钨杆弹对脆性靶体的侵彻分析

DOI: 10.11858/gywlxb.2005.03.011, PP. 257-263

Keywords: 脆性材料,侵彻,柱形空腔膨胀理论,靶体阻力

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Abstract:

考虑脆性材料在高速弹体的侵彻下会发生破碎这一特性,将靶体材料划分为弹性-裂纹-破碎三个响应区,利用静态空腔膨胀理论求出了空腔膨胀压力,即修正的流体动力学模型(A-T模型)中的靶体阻力Rt。分析了压剪系数对靶体阻力和靶体应力场的影响。利用A-T模型求出了钨杆弹以1.5~4.5km/s的速度撞击靶体时的侵彻深度,并与实验结果及其他研究者的结果进行了比较。

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