Preparation of carbon fibers to interphase coating deposition for ceramic matrix composites

Valueva, M. I.; Zelenina, I.V.; Хасков, М. А.; Gulyaev, A. I.

doi:10.18577/2307-6046-2017-0-10-9-9

Cited by 10 publications

(3 citation statements)

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“…To protect the carbon fiber from mechanical stress during operation, a thin layer of epoxycompatible sizing (mass fraction -1.5%) was applied on the carbon fibers surface. To remove the sizing, carbon fibers were heat-treated [7].…”

Section: Methodsmentioning

confidence: 99%

Preparation of TiO2 Coatings on Carbon Fibers

Gallyamova

Safiullin

Докичев

et al. 2022

MSF

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Carbon fibers have been TiO2 coated. Previously, the carbon fiber surface has been heat-treated to remove the sizing. The TiO2 layer has been formed on the fiber surface using the sol-gel technique by immersion in a solution. After coating, the samples have been dried at room temperature and annealed at 500 °C in air for 30 minutes. The phase composition of the coating obtained has been studied using X-ray diffraction. X-ray diffraction analysis of the coating and sol has shown that the rutile phase and the average size of TiO2 crystallites grow with an increase in the annealing temperature. The results of studying TiO2 coating antioxidative properties within 500-800 °C are given. Studying the morphology of the TiO2 coating on the fiber surface and the burnout rate (weight change) have shown that the coating exhibits good oxidation resistance up to 600 °C.

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Section: Methodsmentioning

confidence: 99%

Preparation of TiO2 Coatings on Carbon Fibers

Gallyamova

Safiullin

Докичев

et al. 2022

MSF

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“…1. The sizing was removed by heat treatment at a temperature of 400 ° C for 20 min [13]. Preparation of the coating.…”

Section: Methodsmentioning

confidence: 99%

Formation of TiO2 Coating by the Sol-Gel on Carbon Fibers

Gallyamova

Safiullin

Musin

2021

DDF

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“…In this study, carbon fibers from a PAN precursor of the brand UMT49-12K-EP (Russia) were used; the average diameter of one filament is 5.5 μm. Carbon fibers were preliminarily subjected to heat treatment at a temperature of 400 °С for 20 minutes to remove polymer size from the surface [12]. Carbon fibers were immersed in the obtained sol-gel solution and held for 15 seconds.…”

Section: Methodsmentioning

confidence: 99%

Effect of sol-gel solution parameters on the formation of films on the surface of carbon fibers

et al. 2020

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In this study to apply an oxide film to the surface of carbon fibers a sol-gel solution was used. Sol-gel solutions were prepared according to the described procedure from tetraethoxysilane (TEOS) and ethanol at various H2O concentrations. The molar ratio H2O/TEOS ratio was changed in the range from 2 to 20. After coating and drying, the surface morphology of carbon fibers was investigated. The relationship between the concentration of sol-gel solutions and the amount of deposited SiO2 on the surface of carbon fibers was analyzed.

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Preparation of carbon fibers to interphase coating deposition for ceramic matrix composites

Cited by 10 publications

References 0 publications

Preparation of TiO<sub>2 </sub>Coatings on Carbon Fibers

Preparation of TiO<sub>2 </sub>Coatings on Carbon Fibers

Formation of TiO<sub>2</sub> Coating by the Sol-Gel on Carbon Fibers

Effect of sol-gel solution parameters on the formation of films on the surface of carbon fibers

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