Mechanical, thermal and morphological properties of a bio-based composite derived from banana plant source
Redhi, Gan G.
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Copyright: 2015. Elsevier. Due to copyright restrictions, only the abstract is available. For access to the full text item, please consult the publisher's website. The definitive version of the work is published in Composites: Part A, 2015. Vol 68 : 90-100.
This paper focuses on the synthesis and testing of a novel bio-based composite structure in which banana ﬁbres was infused with resin made from banana sap. The mechanical, thermal, morphological and bio-degradation properties of the bio-composite were characterized and it was found that the material was suitable for general non-functional components. Mechanical tests indicated 15% increase in tensile strength, 12% improvement in tensile modulus and a 25% improvement in ﬂexural modulus when com-pared to structures produced without banana sap. At elevated temperatures a decrease in the moduli was observed. The thermal stability of the biocomposite composite improved and this corresponded with an increase in the glass transition temperature. Morphological studies using scanning electron microscopy revealed improved compatibility between the ﬁbre and banana sap matrix. This resulted in improved dynamic modulus values and low damping values. Finally, degradation tests revealed increased microbial activity on the banana sap composite. This was indicative of improved biodegradation rates.
Paul, V.; Kanny, K. and Redhi, G.G. 2015. Mechanical, thermal and morphological properties of a bio-based composite derived from banana plant source. Composites: Part A. 68 : 90–100