电磁辐射
吸收(声学)
衰减
材料科学
微波食品加热
宽带
工程物理
纳米技术
复合材料
光学
计算机科学
电信
工程类
物理
作者
Yuzhang Du,Yichen Liu,Aoao Wang,Jie Kong
出处
期刊:iScience
[Elsevier]
日期:2023-09-11
卷期号:26 (10): 107873-107873
被引量:11
标识
DOI:10.1016/j.isci.2023.107873
摘要
Electromagnetic waves have caused great harm to military safety, high-frequency electronic components, and precision instruments, and so forth, which urgently requires the development of lightweight, high-efficiency, broadband electromagnetic waves (EMW) absorbing materials for protection. As the basic fibrous materials, carbon fibers (CFs) and SiC fibers (SiCf) have been widely applied in EMW absorption due to their intrinsic characteristics of low density, high mechanical properties, high conductivity, and dielectric loss mechanism. Nevertheless, it has remained a great challenge to develop lightweight EMW-absorbing fibrous materials with strong absorption capability and broad frequency range. In this review, the fundamental electromagnetic attenuation mechanisms are firstly introduced. Furthermore, the preparation, structure, morphology, and absorbing performance of CFs and SiCf-based EMW absorbing composites are summarized. In addition, prospective research opportunities are highlighted toward the development of fibrous absorbing materials with the excellent absorption performance.
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