7A52/7A62合金板材的弹道性能:对配置效应的数值研究
Qunjiao Wang1, Meilin Yin1, Jiangong Zhou1
1Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110819, China.
Materials (Basel, Switzerland)
|January 10, 2026
概括
这项研究研究了用于弹道防护的板. 四层层层材,特别是ABAB序列,通过通过分层和塑性变形增强能量吸收,显著提高性能.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 计算力学 计算力学 计算力学
背景情况:
- 高性能保护板对于国防和航空航天至关重要.
- 合金为传统装甲材料提供了一个轻量化的替代品.
- 了解层层结构的弹道性行为对于优化设计至关重要.
研究的目的:
- 系统地研究7A52/7A62合金层板的弹道性能.
- 评估不同层次配置和堆叠序列对弹道阻力的影响.
- 为了确定最佳的层设计,以增强轻量保护.
主要方法:
- 7A52和7A62合金的动态机械行为的实验性表征.
- 对基本合金的约翰逊-库克 (J-C) 构成参数进行校准.
- 在单层,双层和四层层层板上进行弹道撞击的数值模拟,并采用不同的堆叠序列.
主要成果:
- 四层层面板表现出优越的弹道性能,与单立体和双层板相比.
- ABAB堆叠序列 (软-硬-软-硬) 呈现出最佳性能,将剩余射弹速度降低约27%.
- 弹道性能排名:ABAB > BAAB > ABBA > BABA. 弹道性能排名:ABAB > BAAB > ABBA > BABA. 弹道性能排名:ABAB > BAAB > ABBA > BABA.
结论:
- 层状合金板,特别是具有特定堆叠序列的四层配置,提供了增强的弹道阻力.
- 多接口分层和塑性变形是改善能量吸收的关键机制.
- 这些发现为使用7XXX系列合金轻量化设计的防护盔甲提供了宝贵的见解.
相关概念视频
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