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    Local micromechanics of moisture diffusion in fiber reinforced polymer composites

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    Authors
    Jain, D.
    Mukherjee, Abhijit
    Kwatra, N.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Jain, D. and Mukherjee, A. and Kwatra, N. 2014. Local micromechanics of moisture diffusion in fiber reinforced polymer composites. International Journal of Heat and Mass Transfer. 76: pp. 199-209.
    Source Title
    International Journal of Heat and Mass Transfer
    DOI
    10.1016/j.ijheatmasstransfer.2014.04.031
    ISSN
    00179310
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/21855
    Collection
    • Curtin Research Publications
    Abstract

    Fiber distribution in a polymer matrix composite plays a key role in moisture transport which in turn affects its long term behavior. In this paper, effect of filament arrangement on moisture diffusion is studied. The emphasis is on the effect of neighborhood filaments on a single filament placed in a polymer matrix. Fickian diffusion has been simulated using finite element method. Several microstructures have been created using variable angular and spatial orientations of the filaments. Their saturation times have been recorded and analyzed. Microstructures for most favorable saturation time have been identified. The results show that the diffusivity of composites can be controlled through careful spatial design of filaments. The observations should serve as a clue for designing optimum filament geometry for impeding moisture ingress and improving durability of composites.

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