Improved electromagnetic shielding properties of SiC/SiBCN modified by SiC nanowires

Hailong Qin, Yongsheng Liu, Fang Ye, Jing Wang, Xiaoqiang Li, Laifei Cheng

科研成果: 期刊稿件文章同行评审

19 引用 (Scopus)

摘要

SiCnw-SiC/SiBCN composites were prepared through chemical vapor infiltration. Electromagnetic interference (EMI) shielding effectiveness (SE) provided by SiCnw-SiC/SiBCN composites with variable SiCnw loading was investigated at frequencies ranging from 8.2 to 12.4 GHz. SEA of the material was observed to increase significantly with increased SiCnw loading. SEA value increased by 22.4% compared to plain SiC/SiBCN composites at SiCnw loading of 6.74 wt%, reaching a maximum of 9.3 dB. SER values of the specimens varied from 4.3 to 5.4 dB, while SET increased from 11.9 dB to 14.7 dB as SiCnw loading increased from 0 to 6.74 wt%. Absorption was identified as the dominant EMI shielding mechanism.

源语言英语
页(从-至)24375-24381
页数7
期刊Ceramics International
45
18
DOI
出版状态已出版 - 15 12月 2019

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