Issue 37, 2015
From the journal:

Journal of Materials Chemistry C

Morphology and electromagnetic interference shielding effects of SiC coated carbon short fibers

Yi Zhang,a   Zhou Wang,b   Boliang Zhang,a   Chengjun Zhou, ORCID logo a   Guang-Lin Zhao,b   Jiechao Jiangc  and  S. M. Guo*a  

* Corresponding authors

a Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, USA
E-mail: sguo2@lsu.edu
Fax: +1 225 578 5924
Tel: +1 225 578 7619

b Department of Physics, Southern University and A&M College, Baton Rouge, Louisiana 70813, USA

c Department of Materials Science and Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA

Abstract

The electromagnetic shielding effectiveness of C–SiC/epoxy composites was investigated and compared with that of carbon fiber/epoxy composites. C–SiCs, short fibers with carbon cores and silicon carbide shells, were fabricated by a carbothermal reduction process using chopped carbon fibers (CFs) and rice husk ash. After presenting the morphology and structure of the C–SiC fibers, the electromagnetic interference shielding effect of SiC coated carbon short fibers is discussed. The Kα-band (26.5–40.0 GHz) shielding studies revealed that the maximum total shielding effectiveness (SET) of the composite with 25 vol% of C–SiCs is 17.07 dB, dominated by absorption, while the composite with 25 vol% of the same sized carbon fibers has a SET of 8.44 dB only.

Graphical abstract: Morphology and electromagnetic interference shielding effects of SiC coated carbon short fibers

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Article information

DOI
https://doi.org/10.1039/C5TC01987G
Article type
Paper
Submitted
02 Jul 2015
Accepted
24 Aug 2015
First published
25 Aug 2015

J. Mater. Chem. C, 2015,3, 9684-9694

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Morphology and electromagnetic interference shielding effects of SiC coated carbon short fibers

Y. Zhang, Z. Wang, B. Zhang, C. Zhou, G. Zhao, J. Jiang and S. M. Guo, J. Mater. Chem. C, 2015, 3, 9684 DOI: 10.1039/C5TC01987G

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