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  • An element-wise scheme to analyse local mechanical anisotropy in fibre-reinforced composites

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    Javanbakht427175-Accepted.pdf (2.269Mb)
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    Accepted Manuscript (AM)
    Author(s)
    Javanbakht, Zia
    Hall, Wayne
    Oechsner, Andreas
    Griffith University Author(s)
    Javanbakht, Zia
    Hall, Wayne
    Year published
    2020
    Metadata
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    Abstract
    Herein, the general constitutive equation of bi-phasic materials equipped with orientation tensor is presented in direct notation. The formulation is refined by some correction factors specific to natural fibre-reinforced composites; then, a planar case is derived. The necessity of local information is emphasised through the introduction of auxiliary maps, which included volume fraction and orientation data. A semi-analytical homogenisation method is introduced through finite element analysis. Auxiliary maps are shown to be a better alternative to the overall orientation of fibres. Global calculations are insensitive to local ...
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    Herein, the general constitutive equation of bi-phasic materials equipped with orientation tensor is presented in direct notation. The formulation is refined by some correction factors specific to natural fibre-reinforced composites; then, a planar case is derived. The necessity of local information is emphasised through the introduction of auxiliary maps, which included volume fraction and orientation data. A semi-analytical homogenisation method is introduced through finite element analysis. Auxiliary maps are shown to be a better alternative to the overall orientation of fibres. Global calculations are insensitive to local variations whilst appropriate auxiliary maps offer refined results. Considering the multidisciplinary application of orientation tensors, the proposed scheme can be used in all areas where local information cannot be disregarded.
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    Journal Title
    Materials Science and Technology
    Volume
    36
    Issue
    11
    DOI
    https://doi.org/10.1080/02670836.2020.1762296
    Copyright Statement
    This is an Author's Accepted Manuscript of an article published in Materials Science and Technology, 36 (11), pp. 1178-1190, 13 May 2020, copyright Taylor & Francis, available online at: https://doi.org/10.1080/02670836.2020.1762296
    Subject
    Materials engineering
    Mechanical engineering
    Science & Technology
    Materials Science, Multidisciplinary
    Metallurgy & Metallurgical Engineering
    Materials Science
    Publication URI
    http://hdl.handle.net/10072/397687
    Collection
    • Journal articles

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