Preparation and electromagnetic wave absorption properties of SiCNW-Cf/LAS composites

SiCNW were prepared with different molar ratio of silicon to carbon on carbon fiber cloth by thermal evaporation method using acetylene black as carbon source. SiCNW-Cf/LAS(Li2O-Al2O<...

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Main Authors:	DING Chu-heng, HOU Jia-bin, XIA Long, ZHANG Xin-yu, ZHONG Bo, ZHANG Tao
Format:	Article
Language:	zho
Published:	Journal of Materials Engineering 2020-05-01
Series:	Journal of Materials Engineering
Subjects:	sic<sub>nw</sub>-c<sub>f</sub>/las different molar ratio of silicon to carbon absorbing property electromag-netic wave loss mechanism
Online Access:	http://jme.biam.ac.cn/CN/Y2020/V48/I5/41

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record_format	Article
spelling	doaj-b688bc37216447799078d3fa099c89482020-11-25T03:48:07ZzhoJournal of Materials EngineeringJournal of Materials Engineering1001-43811001-43812020-05-01485414810.11868/j.issn.1001-4381.2018.00142720200405Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS compositesDING Chu-heng0HOU Jia-bin1XIA Long2ZHANG Xin-yu3ZHONG Bo4ZHANG Tao5School of Materials, Harbin Institute of Technology(Weihai), Weihai 264209, Shandong, China;Naval Architecture & Marine Engineering College, Shandong Jiaotong University, Weihai 264209, Shandong, ChinaSchool of Materials, Harbin Institute of Technology(Weihai), Weihai 264209, Shandong, China;School of Materials, Harbin Institute of Technology(Weihai), Weihai 264209, Shandong, China;School of Materials, Harbin Institute of Technology(Weihai), Weihai 264209, Shandong, China;School of Materials, Harbin Institute of Technology(Weihai), Weihai 264209, Shandong, China;SiC<sub>NW</sub> were prepared with different molar ratio of silicon to carbon on carbon fiber cloth by thermal evaporation method using acetylene black as carbon source. SiC<sub>NW</sub>-C<sub>f</sub>/LAS(Li<sub>2</sub>O-Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub>) were prepared by using slurry-impregnation and vacuum sintering process with SiC<sub>NW</sub>-C<sub>f</sub> as intermediate interlayer. The results show that as the molar ratio of silicon to carbon decreasing, the diameter of SiC<sub>NW</sub> decreases continuously, and the yield first increases and then decreases and reaches the highest when the molar ratio of silicon to carbon is 1:3. The SiC<sub>NW</sub>-C<sub>f</sub>/LAS prepared with a molar ratio of silicon to carbon of 1:1 has a minimum reflection loss of -40.9 dB (7 GHz, 3 mm) for electromagnetic wave. The SiC<sub>NW</sub>-C<sub>f</sub>/LAS prepared at a molar ratio of silicon to carbon of 1:3 has a maximum effective bandwidth for absorbing electromagnetic wave of 4.61 GHz (Ku band, 1.5 mm). The excellent absorbing properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites can be attributed to their higher dielectric loss and scattering loss for electromagnetic wave and adjustment of LAS to material and space impedance matching.http://jme.biam.ac.cn/CN/Y2020/V48/I5/41sic<sub>nw</sub>-c<sub>f</sub>/lasdifferent molar ratio of silicon to carbonabsorbing propertyelectromag-netic wave loss mechanism
collection	DOAJ
language	zho
format	Article
sources	DOAJ
author	DING Chu-heng HOU Jia-bin XIA Long ZHANG Xin-yu ZHONG Bo ZHANG Tao
spellingShingle	DING Chu-heng HOU Jia-bin XIA Long ZHANG Xin-yu ZHONG Bo ZHANG Tao Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites Journal of Materials Engineering sic<sub>nw</sub>-c<sub>f</sub>/las different molar ratio of silicon to carbon absorbing property electromag-netic wave loss mechanism
author_facet	DING Chu-heng HOU Jia-bin XIA Long ZHANG Xin-yu ZHONG Bo ZHANG Tao
author_sort	DING Chu-heng
title	Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites
title_short	Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites
title_full	Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites
title_fullStr	Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites
title_full_unstemmed	Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites
title_sort	preparation and electromagnetic wave absorption properties of sic<sub>nw</sub>-c<sub>f</sub>/las composites
publisher	Journal of Materials Engineering
series	Journal of Materials Engineering
issn	1001-4381 1001-4381
publishDate	2020-05-01
description	SiC<sub>NW</sub> were prepared with different molar ratio of silicon to carbon on carbon fiber cloth by thermal evaporation method using acetylene black as carbon source. SiC<sub>NW</sub>-C<sub>f</sub>/LAS(Li<sub>2</sub>O-Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub>) were prepared by using slurry-impregnation and vacuum sintering process with SiC<sub>NW</sub>-C<sub>f</sub> as intermediate interlayer. The results show that as the molar ratio of silicon to carbon decreasing, the diameter of SiC<sub>NW</sub> decreases continuously, and the yield first increases and then decreases and reaches the highest when the molar ratio of silicon to carbon is 1:3. The SiC<sub>NW</sub>-C<sub>f</sub>/LAS prepared with a molar ratio of silicon to carbon of 1:1 has a minimum reflection loss of -40.9 dB (7 GHz, 3 mm) for electromagnetic wave. The SiC<sub>NW</sub>-C<sub>f</sub>/LAS prepared at a molar ratio of silicon to carbon of 1:3 has a maximum effective bandwidth for absorbing electromagnetic wave of 4.61 GHz (Ku band, 1.5 mm). The excellent absorbing properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites can be attributed to their higher dielectric loss and scattering loss for electromagnetic wave and adjustment of LAS to material and space impedance matching.
topic	sic<sub>nw</sub>-c<sub>f</sub>/las different molar ratio of silicon to carbon absorbing property electromag-netic wave loss mechanism
url	http://jme.biam.ac.cn/CN/Y2020/V48/I5/41
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Preparation and electromagnetic wave absorption properties of SiC<sub>NW</sub>-C<sub>f</sub>/LAS composites

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