Investigation of Protective Coatings for Carbon Fibers by the Sol-Gel Method

Abstract:

The article shows the possibility of applying a silicon dioxide coating on the carbon fiber by the sol-gel method. The evaluation of the protective properties of the obtained coatings at a temperature of 600 ° C is given; the changing of the a coated fiber surface morphology during the destruction process is shown for the first time. The destruction of the carbon fiber surface without coating begins at a soaking time of 120 min, which is accompanied by a significant decrease in the diameter of the fiber. The destruction of the coated carbon fiber surface begins at a soaking time of 360 minutes, the fiber diameter changes insignificantly. The paper shows that the sol-gel coatings slow down the oxidation of the carbon fiber more than 2 times.

• Periodical: Solid State Phenomena (Volume 284)
• Pages: 1242-1247
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.284.1242
• Online since: October 2018
• Authors: Rida Gallyamova*, S.N. Galyshev, Fanil F. Musin, A.G. Badamshin, V.A. Dokichev
• Keywords: Carbon Fiber, Coating, Composite, SiO₂, Sol-Gel

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