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Article Dans Une Revue Journal of Solid State Chemistry Année : 2001

Multilayered BN Coatings Processed by a Continuous LPCVD Treatment onto Hi-Nicalon Fibers

Résumé

Boron nitride coatings were deposited onto SiC fibres by means of a continuous low pressure chemical vapour deposition (LPCVD) treatment from BF3 /NH3 mixtures. This process lies in unrolling the fibre in the reactor axis. The relationships between the processing parameters and the structure of the BN deposits are presented. Thanks to a temperature gradient present in the reactor, multilayered BN films can be performed by stacking successive isotropic and anisotropic sublayers. Tensile tests show that, when the temperature profile is well-adapted, the SiC fibres are not damaged by the LPCVD treatment.

Domaines

Matériaux
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Dates et versions

hal-03967088 , version 1 (03-02-2023)

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Sylvain Jacques, H. Vincent, C. Vincent, A. Lopez-Marure, J. Bouix. Multilayered BN Coatings Processed by a Continuous LPCVD Treatment onto Hi-Nicalon Fibers. Journal of Solid State Chemistry, 2001, 162 (2), pp.358-363. ⟨10.1006/jssc.2001.9387⟩. ⟨hal-03967088⟩
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