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Ballistic Behavior of Oblique Ceramic Composite Structure against Long-Rod Tungsten Projectiles

机译:倾斜陶瓷复合结构对长杆钨弹的弹道特性

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摘要

Oblique ceramic armor structure composed of an oblique part and a backing part was designed to resist the ballistic impact of long rod penetrators. The front part consisted of an oblique silicon carbide ceramic and a triangular titanium alloy prism. The backing part contained layered silicon carbide and armor steel designed to absorb the residual energy of penetrators. The structure’s response to penetration was examined experimentally by considering different impact locations on oblique targets. Numerical simulations of the experiments were performed to reproduce the penetration and failure processes that occurred in the armor modules. In addition, a simple layer structure with the identical line-of-sight thickness of each material used in the oblique impact was simulated under a normal impact. The rod and target performances with the oblique impact and normal impact were compared and analyzed in detail. The results showed that the oblique structure had a better ballistic performance as a result of an extra short dwell period before penetrating the ceramic in comparison with the normal layer case. The ability of the oblique targets to defeat long rod projectiles differed with the impact location on the ceramic. The present study paves the way for ceramic armor obliquity applications.
机译:由倾斜部分和衬里部分组成的倾斜陶瓷装甲结构旨在抵抗长杆穿透器的弹道冲击。前部由倾斜的碳化硅陶瓷和三角形的钛合金棱镜组成。背衬部分包含分层的碳化硅和铠装钢,旨在吸收穿透剂的剩余能量。通过考虑倾斜目标的不同撞击位置,通过实验检查了结构对穿透的反应。进行了实验的数值模拟,以重现装甲模块中发生的穿透和破坏过程。另外,在普通冲击下模拟了一种简单的层结构,该层结构具有与斜冲击中使用的每种材料相同的视线厚度。对比了斜杆和斜杆的目标杆和目标性能。结果表明,与普通层相比,由于渗透陶瓷之前的停留时间特别短,因此倾斜结构具有更好的弹道性能。斜靶击破长杆弹丸的能力因在陶瓷上的撞击位置而异。本研究为陶瓷装甲倾斜应用铺平了道路。

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