NDLI: Structural Characteristic and Mechanical Behaviour of Polypropylene Composites Reinforced with Entada Mannii Fibre

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Structural Characteristic and Mechanical Behaviour of Polypropylene Composites Reinforced with Entada Mannii Fibre

Content Provider	Semantic Scholar
Author	Baloguna, Oluwayomi P. Omotoyinbob, Joseph A. Alanemec, Kenneth K.
Copyright Year	2017
Abstract	The mechanical behaviour of polypropylene based thermoplastic composites reinforced with Entada mannii fibre suitable for light weight panel in automobile part was investigated. The composites were fabricated by mixing the Entada mannii fibre of 1 %, 3 %, 5 % and 7 % of alkaline-treated and untreated and the polypropylene matrix in a twin screw extruder followed by compression moulding. Tensile properties, impact strength and flexural properties of the composites were determined while the surface morphology of the composite fracture surface was examined using scanning electron microscopy (SEM). The results show that NaOH treatment modified the surface characteristics and physical constituents of the fibres. Tensile strength and elastic modulus of the composites were improved with the treated and untreated fibre reinforced composites with increasing fibre loading. Reduction in the percentage elongation was observed as the fibre loading increases for all the treated and untreated composites. A remarkable improvement in impact strength was observed for the alkalinetreated composites than the unreinforced and untreated fibre reinforced composites. However, flexural strength and flexural modulus of the alkaline-treated composites improved significantly than that of the untreated and unreinforced composites. The fracture surface morphology of the untreated composites revealed fibre pullout, fibre debonding, and deposition of pores/holes indicted a weak adhesion between the fibre and the matrix. Finally, alkaline-treated fibre reinforced composites revealed significant improvement in the bonding of the fibre to the matrix.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://apett.org/journal/vol45_n2_Oct2017/M02_17036_v45n2p13-20_(OPBalogun)-Jun1726.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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