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The effect of fibre sizing on fibres and bundle strength in hybrid glass carbon fibre composites

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Abstract

Tests have been carried out on single carbon fibres supplied in the sized and unsized conditions, as well as impregnated tows and tows in a glass–carbon fibre hybrid composite of the same fibre. The results were analysed using a Weibull distribution for the strengths of the reinforcing fibres and composites. The tensile strength of the single fibres appeared to be unaffected by the sizing of the filaments. In the case of the impregnated tows, an increase in characteristic strength of 7% was observed for the unsized fibres. The strength of the impregnated tows in hybrid composites was seen to be 15% higher than those tested in air. This can be attributed to the “hybrid effect”.

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  1. School of Engineering Systems Design, South Bank University, London, SE1 OAA, UK

    C MARSTON, B GABBITAS & J ADAMS

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  1. C MARSTON
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  2. B GABBITAS
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  3. J ADAMS
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MARSTON, C., GABBITAS, B. & ADAMS, J. The effect of fibre sizing on fibres and bundle strength in hybrid glass carbon fibre composites. Journal of Materials Science 32, 1415–1423 (1997). https://doi.org/10.1023/A:1018537530192

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  • DOI: https://doi.org/10.1023/A:1018537530192

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