Toughness of Stitched Glass/Epoxy Composites

William Kennon, Devrim Goktas, Venkata Potluri

    Research output: Contribution to journalArticlepeer-review

    Abstract

    This study examines the improvement of Interlaminar Fracture Toughness (IFT) of multilayered 3D glass/epoxy textile composites when through thickness reinforcement is introduced. Three stitching techniques have been examined: Modified Lockstitch (ISO-301), Single-yarn Orthogonal-stitch (ISO-205) and Double-yarn Orthogonal-stitch (ISO-205). It was found that the use of class ISO-205 manual-type stitched reinforcement significantly enhanced the Mode I-IFT, GIC measured using a Double Cantilever Beam technique. Furthermore, in every case, the use of class ISO-205 stitching and high stitch densities offer a significant improvement of 74.5 % on Mode I-IFT against interlaminar delamination.
    Original languageEnglish
    Pages (from-to)351-375
    Number of pages25
    JournalApplied Composite Materials
    Volume24
    Issue number2
    Early online date21 Nov 2016
    DOIs
    Publication statusPublished - Apr 2017

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