All-dielectric radar absorbing array metamaterial based on silicon carbide/carbon foam material
Li, Wanchong1,2; Li, Chusen1; Lin, Lihai1,2; Wang, Yan3; Zhang, Jinsong1,2
Corresponding AuthorLi, Wanchong( ; Zhang, Jinsong(
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
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000457845900102
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Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, Wanchong; Zhang, Jinsong
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
3.AVIC, Aviat Key Lab Sci & Technol Elect Environm Effect, Shenyang Aircraft Design & Res Inst, Shenyang, Liaoning, Peoples R China
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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