A continuum mechanics analysis of shear characterisation methods

Remko Akkerman (Corresponding Author)

    Research output: Contribution to journalArticleAcademicpeer-review

    2 Citations (Scopus)
    36 Downloads (Pure)

    Abstract

    The shear response of fabrics and fabric reinforced materials is primarily characterised by means of Picture Frame and Bias Extension experiments. Normalisation methods have been proposed earlier to enable comparison between different measurement results. Here, a continuum mechanics based analysis is presented for biaxial fabric materials without intra-ply slip, subject to constraints of fibre inextensibility. The fibre stresses are separated from the constitutively determined extra stresses, leading to a scalar equivalent stress resultant which makes the analysis of these tests more transparent. The equations are elaborated for both shear characterisation experiments and a direct measurement evaluation is proposed, without the need for iterative parameter identification methods.

    Original languageEnglish
    Pages (from-to)131-140
    Number of pages10
    JournalComposites Part A: Applied Science and Manufacturing
    Volume109
    Early online date2018
    DOIs
    Publication statusPublished - 1 Jun 2018

    Keywords

    • Fabrics/textiles
    • Analytical modelling
    • Mechanical testing
    • Forming

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