Kinetics of pyrocarbon formation on the surface of carbon fiber filament

T. V. Bukharkina; Бухаркина Т. В.; M. V. Shishanov; Шишанов М. В.; M. S. Luchkin; Лучкин М. С.; A. K. Golubkov; Голубков А. К.; A. A. Vologdina; Вологдина А. А.

doi:10.31857/S0023117724030046

Kinetics of pyrocarbon formation on the surface of carbon fiber filament

Authors: Bukharkina T.V.¹, Shishanov M.V.¹, Luchkin M.S.¹, Golubkov A.K.², Vologdina A.A.²
Affiliations:
1. Mendeleev University of Chemical Technology of Russia
2. Aircraft corporation “Rubin”
Issue: No 3 (2024)
Pages: 23-31
Section: Articles
URL: https://ruspoj.com/0023-1177/article/view/677491
DOI: https://doi.org/10.31857/S0023117724030046
EDN: https://elibrary.ru/NCEQTQ
ID: 677491

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Abstract

A kinetic model of the formation of a pyrocarbon layer on the surface of filaments of carbonized PAN fiber is proposed. The resulting kinetic model is confirmed by experimental data. Models for the formation of a pyrocarbon layer and an increasing of thickness of a pyrocarbon layer on a bundle of carbon fiber filaments after a long cycle of CVD are predicted.

Keywords

CVD, pyrolytic carbon, carbon fiber, topochemical reactions, Carbon-Carbon (C/C) Composites

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About the authors

T. V. Bukharkina

Mendeleev University of Chemical Technology of Russia

Author for correspondence.
Email: tvb_53@mail.ru
Russian Federation, Моscow, 125047

M. V. Shishanov

Mendeleev University of Chemical Technology of Russia

Email: shishanov.m.v@muctr.ru
Russian Federation, Моscow, 125047

M. S. Luchkin

Mendeleev University of Chemical Technology of Russia

Email: luchkin.max@yandex.ru
Russian Federation, Моscow, 125047

A. K. Golubkov

Aircraft corporation “Rubin”

Email: gaz_250@mail.ru
Russian Federation, Balashiha, 143903

A. A. Vologdina

Aircraft corporation “Rubin”

Email: volaa8@mail.ru
Russian Federation, Balashiha, 143903

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2. Fig. 1. Micrographs of carbon fiber filaments with the average thickness of the total pyrocarbon layer ΔD on the surface after each pyrocondaction cycle.

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3. Fig. 2. Diagram of a fiber with a deposited layer of pyrocarbon with symbols.

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4. Fig. 3. Diagram of a fiber with a deposited layer of pyrocarbon with symbols after n and n − 1 cycles of pyrocondaction.

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5. Fig. 4. Graph of the dependence of the thickness of the pyrocarbon layer on the number of pyrocondaction cycles.

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6. Fig. 5. Micrographs of carbon fiber filaments after the first pyroclassification cycle.

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7. Fig. 6. Micrographs of carbon fiber filaments before the fifth pyroclassification cycle.

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8. Fig. 7. Micrographs of carbon fiber filaments after the sixth pyroclassification cycle.

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9. 8. A layer of pyrocarbon on the surface of a bundle of ten fiber filaments: (a) after five cycles of pyroclassification; (b) after six and further cycles of pyroclassification.