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Comparison of theoretical and experimental values of tensile properties of injection moulded polylactic acid – kenaf fibre biocomposite

Anuar, Hazleen and Ahmad, Zuraida and Kovacs, J. G. and Tabi, T. (2011) Comparison of theoretical and experimental values of tensile properties of injection moulded polylactic acid – kenaf fibre biocomposite. In: 14th International Conference on Advances in Material and Processing Technologies (AMPT 2011), 13-16 July 2011, Istanbul, Turkey. (Unpublished)

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Abstract

This paper focuses on the fabrication of polylactic acid (PLA)–kenaf fibre (KF) biocomposite using intermeshing co-rotating twin screw extruder and then injection moulded for tensile properties characterization. The effect of kenaf fibre loading from 0-20 wt% was studied. The average of kenaf fibre aspect ratio is 30. Tensile strength and modulus show similar trend where significant improvement was attained at 20 wt% kenaf fibre content. Scanning electron micrograph of tensile fracture specimen has revealed the hypothesis of interaction between fibre and matrix subsequently amplified the tensile properties. It is an interesting finding where the experimental value of tensile modulus was 15% higher than theoretical tensile modulus at 20 wt% KF. Additionally PLA-KF bicomposite produced have high specific strength and specific modulus. This could suggest that kenaf fibre may be incorporated into PLA to reduce mass of the end product and substantially reduced the cost of raw materials.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: 4130/5784
Uncontrolled Keywords: Polylactic acid, kenaf fibre, biocomposite, tensile properties, specific properties.
Subjects: T Technology > TS Manufactures > TS1080 Paper manufacture. Woodpulp industry
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Dr Hazleen Anuar
Date Deposited: 18 Nov 2011 22:26
Last Modified: 22 Nov 2011 07:08
URI: http://irep.iium.edu.my/id/eprint/5784

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