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The oxidation behaviour of carbon fibres

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Abstract

The oxidation behaviour of carbon fibres has been studied in air at different temperatures from 550 to 860 °C. A linear relationship has been observed between the carbon fibre size and oxidation time. Experimental results show that the oxidation process is in a mixed control zone, i.e. controlled both by diffusion of the gaseous reactant and product within the boundary layer and by the chemical reaction. The activation energy of carbon burn-off is 140±5 kJ mol−1. The uniform nature of the surface oxidation makes it possible to re-size the carbon fibres to smaller diameters.

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Yin, Y., Binner, J.G.P., Cross, T.E. et al. The oxidation behaviour of carbon fibres. J Mater Sci 29, 2250–2254 (1994). https://doi.org/10.1007/BF01154706

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  • DOI: https://doi.org/10.1007/BF01154706

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