多带电磁干扰屏蔽复合材料,具有动态热管理和被动红外隐形性能
Jie Mei1, Huimin Liao1, Siqi Yang1
1Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu 610039, People's Republic of China.
ACS applied materials & interfaces
|July 21, 2025
概括
这项研究介绍了一种用于先进军事保护的新型复合材料,它提供了卓越的电磁干扰屏蔽和有效的红外隐形能力. 该材料确保稳定的温度调节和适应性伪装在各种环境条件下.
科学领域:
- 材料科学与工程 材料科学与工程
- 电磁学和光子学 电磁学和光子学
- 军事技术 军事技术
背景情况:
- 现代军事行动需要具有电磁干扰 (EMI) 屏蔽和红外隐形性能的材料.
- 现有的被动红外隐形方法在复杂环境中难以稳定温度调节,导致基于热对比度的检测.
- 迫切需要综合解决方案,为军事装备提供全天候电磁和红外保护.
研究的目的:
- 开发一种创新的复合材料,用于集成的多频段电磁保护和红外隐形.
- 为了实现稳定的温度调节和适应性红外伪装,用于军事应用.
- 克服传统被动红外隐形策略的局限性.
主要方法:
- 使用无电工艺制造一种新的PF@Ag-MF@Ag-x复合材料.
- 在三维框架上通过银层增长构建连续导电网络.
- 宽带电磁干扰屏蔽效果和红外隐形性能的特征.
主要成果:
- 实现了92.3dB (X频段) 和90.1dB (Ku频段) 的特殊宽带EMI屏蔽效率.
- 通过层次的孔结构和低红外辐射率,通过有效的被动红外隐蔽,抑制热传导和辐射.
- 通过双模电热转换和等离子体共振效应,启用了适应性红外伪装的活性温度调制.
结论:
- 开发的PF@Ag-MF@Ag-x复合材料成功地将多频段电磁保护与主动-被动红外隐形相结合.
- 这种创新材料为军事设备的全天候电磁/红外综合保护提供了强大的解决方案.
- 复合材料的独特结构和特性在各种战斗场景中提高了生存能力和作战效率.
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