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Electrospinning preparation and electromagnetic wave absorption properties of SiCN fibers

文献类型： 外文期刊

作者： Xiao, Feifei 1 ; Sun, Haibin 1 ; Li, Jiao 1 ; Guo, Xue 1 ; Zhang, Hua 1 ; Lu, Junbin 1 ; Pan, Zhaoxu 1 ; Xu, Jiakun 2 ;

作者机构： 1.Shandong Univ Technol, Sch Mat Sci & Engn, Zibo 255049, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Polar Fisheries, Qingdao 266071, Peoples R China

关键词： SiCN fibers; Polymer-derived method; Microwave absorption; Electrospinning technology

期刊名称：CERAMICS INTERNATIONAL （ 影响因子：4.527； 五年影响因子：4.049 ）

ISSN： 0272-8842

年卷期： 2020 年 46 卷 8 期

页码：

收录情况： SCI

摘要： The SiCN fibers were synthesized by the combination of polymer-derived method and electrospinning technology. The XRD, FT-IR, TEM, SEM, XPS and Raman spectroscopy were applied to study the phase composition, chemical structure, morphology and carbon crystalline state of the SiCN fibers. In addition, a vector network analyzer was used to study the electromagnetic properties of SiCN fibers. The results showed the amorphous carbon increased with the temperature increasing, which can significantly adjust the dielectric properties of the SiCN fibers. The SiCN fibers synthesized at 1300 degrees C showed excellent electromagnetic wave (EMW) absorption performance, wherein the effective absorption bandwidth was 4.59 GHz (11.8 similar to 16.4 GHz, RL < -10 dB) and the RLmin value reached - 31.1 dB at the thickness of 2 mm.

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