Abstract In this work we analyze the effect of friction on the shank of a rigid sharp-nosed projectile as it perforates a metallic plate. In order to account for this retarding force we use a velocity-dependent friction coefficient which is calibrated through several sets of perforation experiments. It turns out that this coefficient has non-vanishing values only for low sliding velocities. Thus, the friction's contribution is apparent only when the impact velocity is close to the ballistic limit velocity of the projectile/plate pair.

中文翻译：

---

刚性弹丸在金属板穿孔中的摩擦效应

摘要 在这项工作中，我们分析了摩擦力对刚性尖头弹丸在穿透金属板时的柄部的影响。为了说明这种阻滞力，我们使用速度相关的摩擦系数，该系数通过几组穿孔实验进行校准。事实证明，该系数仅在低滑动速度下才具有非零值。因此，只有当撞击速度接近弹丸/板对的弹道极限速度时，摩擦的贡献才明显。