摘要
车辆底盘、门板、发动机盖等受到子弹、路边炸弹、地雷等攻击后极易导致装备受损和人员伤亡,传统装甲防护结构材料可靠性和安全性受到巨大考验,研发低密度、高防护、小体积、易挂载的新型抗震防弹材料十分必要.在引入碳纤维、陶瓷、非牛顿流体等轻质新材料的基础上,本研究提出一种多材料层合防护结构材料,采用非牛顿流体切削和蜂窝单元吸能柱(螺栓)切割的双切削消能模式.运用ANSYS Autodyn有限元分析仿真模拟,初步验证了该新型抗爆防弹装甲防护结构的抗弹性能.该防护结构材料能充分发挥金属、陶瓷、流体材料以及蜂窝嵌套的材料与结构组合优势,最大程度地发挥其抗爆震、抗冲击体、防火隔热等抗爆防弹能力,在提升装备和驾乘人员战场生存能力方面具有巨大潜在应用价值.
Abstract
Vehicle chassis,door panels,engine covers,etc.are attacked by bullets,roadside bombs,landmines,and other at-tacks,which can easily lead to equipment damage and casualties.The reliability and safety of traditional armor protective struc-ture materials are greatly challenged.It is necessary to develop new anti-seismic and bulletproof materials with low density,high protection,small size and easy mounting.Based on the introduction of new lightweight materials such as carbon fiber,ceramics,and non-Newtonian fluids,a multi-material and multi-layer composite armor structure is proposed in this study,which uses the double cutting energy dissipation mode including non-Newtonian fluid cutting and honeycomb element energy absorbing column(bolt).ANSYS autodyn finite element analysis simulation is also used to verify the ballistic performance of the new anti-explo-sion and bulletproof armor protection structure.This new material can make full use of the advantages of metal,ceramics,fluid materials,and honeycomb nested materials and structures,maximizing its shock wave resistances,projectile/fragment penetra-tion,fire insulation,and heat insulation.The new material has great potential in the battlefield for protecting the equipment and soldiers.
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