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    Effects of Process-Induced Voids on the Properties of Fibre Reinforced Composites

    250622.pdf (1006.Kb)
    Access Status
    Open access
    Authors
    Dong, Jonathan
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Dong, J. 2015. Effects of Process-Induced Voids on the Properties of Fibre Reinforced Composites. Journal of Materials Science and Technology. 32 (7): pp. 597-604.
    Source Title
    Journal of Materials Science and Technology
    DOI
    10.1016/j.jmst.2016.04.011
    ISSN
    1005-0302
    School
    Department of Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/51436
    Collection
    • Curtin Research Publications
    Abstract

    It is well known that voids have detrimental effects on the performance of composites. This study aims to provide a practical method for predicting the effects of process induced voids on the properties of composites. Representative volume elements (RVE) for carbon fibre/epoxy composites of various fibre volume fractions and void contents are created, and the moduli and strengths are derived by finite element analysis (FEA). Regression models are fitted to the FEA data for predicting composite properties including tensile, compressive and shear. The strengths of composite laminates including tensile strength and interlaminar shear strength (ILSS) are calculated with the aid of the developed models. The model predictions are compared with various experimental data and good agreement is found. The outcome from this study provides a useful optimisation and robust design tool for realising affordable composite products when process induced voids are taken into account.

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