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Optimal design for hybrid composites under flexural loading

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Authors
Dong, Chensong
Davies, Ian
Date
2012
Type
Conference Paper

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Dong, Chensong and Davies, Ian J. 2012. Optimal design for hybrid composites under flexural loading, in Y. Bai, J. Wang and D. Fang (ed), 23rd International Congress of Theoretical and Applied Mechanics, Aug 19-24 2012. Beijing, China: Chinese Society of Theoretical and Applied Mechanics (CSTAM).
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Proceedings of the 23rd International Congress of Theoretical and Applied Mechanics
Source Conference
23rd International Congress of Theoretical and Applied Mechanics
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Abstract

A study on the flexural behaviour of hybrid composites reinforced by S-2 glass and T700S carbon fibres is presented in this paper. The effects of fibre volume fractions, hybrid ratio and span-to-depth ratio were studied with the aid of FEA. It is shown that utilisation of hybridisation can improve the flexural strength. A general rule is in order to improve flexural strength, the fibre volume fraction of glass/epoxy plies needs to be higher than that of carbon/epoxy plies. The overall maximum hybrid effect, 37.34%, is achieved when the hybrid ratio is 0.318 ([02G/06C]) when Vfc = 50% and Vfg = 70%. The strength increases are 44.55% and 24.07% when compared with those of the full carbon and glass configurations respectively.