Abstract
Reactive chemical vapour deposition (RCVD) has been used for the coating of the single filaments of a PAN-based carbon yarn by SiC. A continuous process has been developped, it consists to react a mixture SiCl4-H2 with the fiber, at T 1000°C, under, atmospheric pressure. By the aid of thermodynamic calculations and experimentation, the conditions of RCVD (gaz composition, temperature, reaction time) are optimized to elabore a coating without degrading the fiber. It is shown that a SiC-β coating, 0.05 micron thick, modified slighty the characteristics and is sufficient to reduce the rate of combustion of the fibers by a factor closed to 100.
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© 1989 Springer Science+Business Media B.V.
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Vincent, H., Vincent, C., Ponthenier, J.L., Mourichoux, H., Bouix, J. (1989). Elaboration en Continu d’un Depot Mince de Carbure Refractaire en Surface des Fibres de Carbone: Caracterisation de la Fibre C/SiC. In: Bunsell, A.R., Lamicq, P., Massiah, A. (eds) Developments in the Science and Technology of Composite Materials. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1123-9_35
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DOI: https://doi.org/10.1007/978-94-009-1123-9_35
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6997-7
Online ISBN: 978-94-009-1123-9
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