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  • Influence of interphase imperfections on the macroscopic stiffness of hollow-sphere reinforced composites

    Author(s)
    Makvandi, Resam
    Oechsner, Andreas
    Griffith University Author(s)
    Oechsner, Andreas
    Year published
    2015
    Metadata
    Show full item record
    Abstract
    Metallic hollow-sphere structures are a new type of advanced materials with promising mechanical properties for multifunctional applications. A simple computational model to consider damage in the sphere-matrix interphase is presented. Two types of damage distributions, i.e., localized and randomized, are investigated. The procedure is applied to steel hollow spheres embedded in an epoxy matrix. It is shown that the interface damage lowers the mechanical properties and localized damage is more critical than randomized at higher damage values.Metallic hollow-sphere structures are a new type of advanced materials with promising mechanical properties for multifunctional applications. A simple computational model to consider damage in the sphere-matrix interphase is presented. Two types of damage distributions, i.e., localized and randomized, are investigated. The procedure is applied to steel hollow spheres embedded in an epoxy matrix. It is shown that the interface damage lowers the mechanical properties and localized damage is more critical than randomized at higher damage values.
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    Journal Title
    Mechanics of Advanced Materials and Structures
    Volume
    22
    Issue
    12
    DOI
    https://doi.org/10.1080/15376494.2014.907945
    Subject
    Numerical Modelling and Mechanical Characterisation
    Engineering
    Publication URI
    http://hdl.handle.net/10072/171036
    Collection
    • Journal articles

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