Effect of basalt fibre hybridisation on post-impact mechanical behaviour of hemp fibre reinforced composites

Hom Nath Dhakal, F. Sarasini, C. Santulli, Jacopo Tirillo, Zhong Zhang, V Arumugam

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    Abstract

    A major limitation to the spreading of natural fibre reinforced composites in semi-structural components is their unsatisfactory impact performance. As a potential solution, the production of synthetic/plant fibre hybrid laminates has been explored, trying to obtain materials with sufficient impact properties, while
    retaining a reduced cost and a substantial environmental gain. This study explores the effects of hybridisation of basalt fibre on post-impact behaviour and damage tolerance capability of hemp fibre reinforced composites. All reinforced laminates were impacted in a range of energies (3, 6, and 9 J) and
    subjected to both quasi-static and cyclic flexural tests with a step loading procedure. The tests have also been monitored by acoustic emission (AE), which has confirmed the existence of severe limitations to the use of natural fibre reinforced composites even when impacted at energies not so close to penetration and the enhanced damage tolerance offered by the hybridisation with basalt fibers.
    Original languageEnglish
    Pages (from-to)54-67
    Number of pages13
    JournalComposites Part A: Applied Science and Manufacturing
    Volume75
    DOIs
    Publication statusPublished - Aug 2015

    Keywords

    • Hybrid
    • Impact behaviour
    • Acoustic emission
    • Compression moulding

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