Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method

Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method

The paper proposed a method to improve the anti-oxidation performance of carbon fibers (CF) at high temperature environment by coating silicon dioxide (SiO2) and silicon carbide (SiC). The modified sol-gel method had been used to ensure the proper interface between fibers and coating. We used polydi...

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Main Authors: Guangyuan Yang, Zhixiong Huang, Xu Wang, Bo Wang
Format: Article
Language:English
Published: MDPI AG 2018-02-01
Series:Materials
Subjects:
carbon fiber
oxidation resistance
coating
characterization
Online Access:http://www.mdpi.com/1996-1944/11/3/350
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spelling doaj-f04aeba8c99f4f4d95a7116fa276bfc82020-11-24T22:36:21ZengMDPI AGMaterials1996-19442018-02-0111335010.3390/ma11030350ma11030350Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel MethodGuangyuan Yang0Zhixiong Huang1Xu Wang2Bo Wang3Department of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, ChinaDepartment of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, ChinaDepartment of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, ChinaDepartment of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, ChinaThe paper proposed a method to improve the anti-oxidation performance of carbon fibers (CF) at high temperature environment by coating silicon dioxide (SiO2) and silicon carbide (SiC). The modified sol-gel method had been used to ensure the proper interface between fibers and coating. We used polydimethylsiloxane and ethyl orthosilicate to make stable emulsion to uniformly disperse SiC nanoparticles. The modified SiO2/SiC coating had been coated on CF successfully. Compared with the untreated CF, the coated fibers started to be oxidized around 900 °C and the residual weight was 57% at 1400 °C. The oxidation mechanism had been discussed. The structure of SiC/SiO2 coated CF had been characterized by scanning electron microscope and X-ray diffraction analysis. Thermal gravimetric analysis was used to test the anti-oxidation ability of CF with different coatings.http://www.mdpi.com/1996-1944/11/3/350carbon fiberoxidation resistancecoatingcharacterization
collection DOAJ
language English
format Article
sources DOAJ
author Guangyuan Yang
Zhixiong Huang
Xu Wang
Bo Wang
spellingShingle Guangyuan Yang
Zhixiong Huang
Xu Wang
Bo Wang
Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method
Materials
carbon fiber
oxidation resistance
coating
characterization
author_facet Guangyuan Yang
Zhixiong Huang
Xu Wang
Bo Wang
author_sort Guangyuan Yang
title Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method
title_short Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method
title_full Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method
title_fullStr Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method
title_full_unstemmed Fabrication and Anti-Oxidation Ability of SiC-SiO2 Coated Carbon Fibers Using Sol-Gel Method
title_sort fabrication and anti-oxidation ability of sic-sio2 coated carbon fibers using sol-gel method
publisher MDPI AG
series Materials
issn 1996-1944
publishDate 2018-02-01
description The paper proposed a method to improve the anti-oxidation performance of carbon fibers (CF) at high temperature environment by coating silicon dioxide (SiO2) and silicon carbide (SiC). The modified sol-gel method had been used to ensure the proper interface between fibers and coating. We used polydimethylsiloxane and ethyl orthosilicate to make stable emulsion to uniformly disperse SiC nanoparticles. The modified SiO2/SiC coating had been coated on CF successfully. Compared with the untreated CF, the coated fibers started to be oxidized around 900 °C and the residual weight was 57% at 1400 °C. The oxidation mechanism had been discussed. The structure of SiC/SiO2 coated CF had been characterized by scanning electron microscope and X-ray diffraction analysis. Thermal gravimetric analysis was used to test the anti-oxidation ability of CF with different coatings.
topic carbon fiber
oxidation resistance
coating
characterization
url http://www.mdpi.com/1996-1944/11/3/350
work_keys_str_mv AT guangyuanyang fabricationandantioxidationabilityofsicsio2coatedcarbonfibersusingsolgelmethod
AT zhixionghuang fabricationandantioxidationabilityofsicsio2coatedcarbonfibersusingsolgelmethod
AT xuwang fabricationandantioxidationabilityofsicsio2coatedcarbonfibersusingsolgelmethod
AT bowang fabricationandantioxidationabilityofsicsio2coatedcarbonfibersusingsolgelmethod
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