Abaca Fiber Reinforced Epoxy Composites: Evaluation of Impact Strength

Ramadevi Punyamurthy, Dhanalakshmi Sampathkumar, Basavaraju Bennehalli, Raghu Patel, Srinivasa Chikkol Venkateshappa


This study focuses on the fabrication and characterization of untreated, alkali treated, acrylated, benzene diazonium chloride treated, and permanganate treated abaca fiber reinforced epoxy composites. Composites are prepared with different fiber loadings of 10%, 20%, 30%, 40%, 50% and 60% by hand lay-up technique. Impact properties for the prepared composites were investigated and comparison is made between impact properties of untreated and treated abaca fiber reinforced epoxy composites. This study revealed that treated composites showed improved impact strength compared to untreated abaca fiber reinforced epoxy composites and 40% fiber loading showed optimum properties. Amongst all the treatments carried out, benzene diazonium chloride treated fiber composites of 40% fiber loading showed maximum impact strength of 7.68 mJ/mm2, followed by acrylic acid treatment, permanganate treatment and alkali treatment with impact strength values of 7.12 mJ/mm2,6.8 mJ/mm2 and 6.5 mJ/mm2 respectively.


Abaca fibers; Benzenediazonium chloride; fiber loading; impact strength; epoxy resin.

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