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All-dielectric radar absorbing array metamaterial based on silicon carbide/carbon foam material
Li, Wanchong; Li, Chusen; Lin, Lihai; Wang, Yan; Zhang, Jinsong
2019-04-15
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume781Pages:883-891
AbstractA kind of all-dielectric radar absorbing array metamaterial (AMM) is created by simulation and experiment. The AMM bases on the silicon carbide/carbon (SiC/C) foam dielectric material and the idea of metamaterial (MM) design. The SiC/C foam dielectric material is obtained by replica method. The changing laws of the effect on absorption performances due to the physical dimension and array period of AMM are studied. The electromagnetic (EM) wave absorption mechanisms of AMM are investigated by the EM field distribution, power loss density distribution, impedance analysis and equivalent circuit method. At last, an optimized AMM with excellent absorption properties is designed and prepared. The reflectivity of the optimized AMM below-10dB cover the frequency of 4GHz - 18GHz with the bulk density is about 0.5g/cm(3). The absorption performance of the optimized AMM is determined by using the freespace method. The simulated results are agree well with the measured results. Furthermore, the absorption performance under wide-angle oblique incidence, the mechanical behavior, and the thermal stability of AMM are investigated. The design method proposed in this paper is a kind of effective supplement for constructing lightweight and broadband radar absorbing material, and also useful in the design of other absorbing material. (C) 2018 Elsevier B.V. All rights reserved.
KeywordRadar absorbing material Foam materials Metamaterial
Indexed BySCI
Language英语
WOS IDWOS:000457845900102
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81185
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Li, Wanchong,Li, Chusen,Lin, Lihai,et al. All-dielectric radar absorbing array metamaterial based on silicon carbide/carbon foam material[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,781:883-891.
APA Li, Wanchong,Li, Chusen,Lin, Lihai,Wang, Yan,&Zhang, Jinsong.(2019).All-dielectric radar absorbing array metamaterial based on silicon carbide/carbon foam material.JOURNAL OF ALLOYS AND COMPOUNDS,781,883-891.
MLA Li, Wanchong,et al."All-dielectric radar absorbing array metamaterial based on silicon carbide/carbon foam material".JOURNAL OF ALLOYS AND COMPOUNDS 781(2019):883-891.
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