This study presents a new methodology for designing, manufacturing, and testing advanced armor protection systems and applied to the development of three different protection solutions suitable for real armored vehicles. The backplate laminates of the presented composite armor protection solutions were composed of three different materials: steel, aluminum AA6082, and aluminum alloy AA2024 reinforced by multi-walled carbon nanotubes (MWCNTs). The frontal laminates remained the same for the three cases. Keeping almost the same mass while changing the material of each backplate and adapting the thickness, the three different protection systems were ballistically tested and compared according to Level 4 (Level IV) of the standard AEP-STANAG 4569 (projectile 14.5 mm × 114 mm API B32) with real military tests. Furthermore, the performance of the total laminated structure and the performance of each backplate in the total laminated structure were compared in terms of deformation and ballistic fractures. High-quality images acquired by the high-speed camera were helpful in evaluating and comparing the backplates and the entire protection system. The results show that all three protection configurations present high performance mechanical properties and ballistic characteristics compared to commonly used armor systems. Even the under-developed AA2024-CNTs composite is a promising near-term backplate solution.

中文翻译：

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军用车辆先进复合装甲防护系统：设计方法、弹道测试和比较

这项研究提出了一种设计、制造和测试先进装甲防护系统的新方法，并应用于开发适合真实装甲车辆的三种不同的防护解决方案。所提出的复合装甲防护解决方案的背板层压板由三种不同的材料组成：钢、铝 AA6082 和多壁碳纳米管 (MWCNT) 增强的铝合金 AA2024。三个案例的正面层压板保持相同。在保持几乎相同的质量的同时改变每个背板的材料并调整厚度，根据标准 AEP-STANAG 4569（弹丸 14.5 mm × 114 mm API）的 4 级（IV 级）对三种不同的防护系统进行了弹道测试和比较B32）进行真正的军事测试。此外，还比较了总叠层结构的性能以及总叠层结构中各背板的变形和弹道断裂性能。高速相机获取的高质量图像有助于评估和比较背板和整个保护系统。结果表明，与常用的装甲系统相比，所有三种防护配置都呈现出高性能的机械性能和弹道特性。即使是尚未开发的 AA2024-CNT 复合材料也是一种有前途的近期背板解决方案。