在不同的冲击速度和面积密度下,通过数值和实验研究优化B4C/UHMWPE复合盔甲的厚度配置
Hongfei Wang1, Kui Tang2, Jinxiang Wang3
1National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, China.
Scientific reports
|October 2, 2025
概括
优化陶与背部厚度比 (Rth) 是轻质复合装甲的关键. 1.4-1.6的最佳Rth增强了反透性,但随着冲击速度和面积密度的变化而变化,以获得最佳性能.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 弹道学 弹道学 弹道学
背景情况:
- 轻质复合装甲对于保护至关重要.
- 优化陶与支厚度比 (Rth) 对抗透性能至关重要.
- 了解Rth,面积密度 (AD) 和撞击速度 (V0) 之间的相互作用是必不可少的.
研究的目的:
- 为了优化B4C/UHMWPE复合装甲的陶与背部厚度比 (Rth).
- 为了提高防透性能,同时保持轻量级要求.
- 系统量化Rth,AD和V0在复合装甲性能上的合机制.
主要方法:
- 结合有限元素方法 (FEM) 模拟.
- 对B4C/UHMWPE复合装甲进行弹道测试.
- Rth (0.4-2.0),AD (25.0-30.0 kg/m2) 和V0 (400.0-550.0 m/s) 的系统变化.
主要成果:
- 在所有AD病例中,弹道极限速度 (Vbl) 在Rth = 1.4-1.6的峰值.
- 最佳Rth范围为1.4-1.6在AD变异中是一致的.
- 当V0超过Vbl时,观察到最大Rth的动态变化,以最小化剩余速度 (Vre),受AD和V0.0的影响.
结论:
- 为V0-AD-Rth合效应建立了一个定量框架.
- 为设计轻质复合装甲提供了可行的指导方针.
- 该研究表明,强大的设计适用于各种弹道威胁.
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