棒
渗透(战争)
锥面
材料科学
机械
铝
射弹
限制
复合材料
物理
机械工程
冶金
数学
工程类
病理
医学
替代医学
运筹学
作者
M. J. Forrestal,Kunihiko Okajima,V.K. Luk
摘要
We developed engineering models for forces on rigid, long rods with spherical, ogival, and conical noses that penetrated rate independent, elastic-perfectly plastic targets. The spherical and cylindrical, cavity-expansion approximations simplified the target analyses, so we obtained closed-form penetration equations. To verify our models, we performed terminal-ballistic experiments with 7.1-mm dia., 0.024 kg, marging steel rods and 152-mm dia., 6061-T651 aluminum targets. The models predicted penetration depths that were in reasonable agreement with the data for impact velocities between 0.4-1.4 km/s.
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