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The effect of resin failure strain on the tensile properties of glass fibre-reinforced polyester cross-ply laminates

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Abstract

An investigation has been made of the effect of resin properties on the transverse cracking behaviour of glass fibre-reinforced polyester resin three-ply laminates. The polyester resin properties were modified by the addition of a flexibilizing resin to produce five resin systems with failure stresses ranging from 1.75 to 11.1%. The mechanical properties of the resins which were determined, are observed to affect the stress level at which transverse cracking is initiated and the nature of the cracking behaviour. If fibre bunching is taken into account the Kies strain magnification theory can predict the general trend of the results. However, it is concluded that strain-rate effects associated with fibre bunching are worthy of further investigation.

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References

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Authors and Affiliations

  1. Department of Metallurgy and Materials Technology, University of Surrey, Guildford, UK

    K. W. Garrett & J. E. Bailey

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  1. K. W. Garrett
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  2. J. E. Bailey
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Garrett, K.W., Bailey, J.E. The effect of resin failure strain on the tensile properties of glass fibre-reinforced polyester cross-ply laminates. J Mater Sci 12, 2189–2194 (1977). https://doi.org/10.1007/BF00552239

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  • DOI: https://doi.org/10.1007/BF00552239

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