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Effect of layering on ballistic properties of metallic shields against sharp-nosed rigid projectiles

机译：分层对尖锐刚性弹丸金属屏蔽弹道性能的影响

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摘要

On the basis of general assumptions that are pertinent to penetration modeling, we investigated the effect of layering of metallic shields on their protective characteristics against sharp-nosed rigid impactors and established/explained a number of general features of the penetration phenomenon. The main results can be formulated as follows: (i) any layering has an adverse effect on protective properties of the shield against perforation, (ii) increasing the number of layers with the same thicknesses impairs protective properties of the shield. These assertions are validated by analyzing results of experiments and numerical calculations available in the literature that allow comparing protective properties of monolithic and layered shields.
机译：基于与渗透模型相关的一般假设，我们研究了金属屏蔽层的分层对其对尖锐刚性冲击器的防护特性的影响，并确定/解释了渗透现象的许多一般特征。主要结果可以表述为：（i）任何分层都会对屏蔽罩的抗穿孔性能产生不利影响;（ii）增加相同厚度的层数会损害屏蔽罩的保护性能。通过分析实验结果和文献中提供的数值计算可以验证这些主张，这些文献可以比较整体式和分层式屏蔽的防护性能。

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