Morphological Characteristics And Wear Mechanism Of Recycled Carbon Fibre Prepreg Reinforced Polypropylene Composites

Mohamad, Noraiham and Abd Latiff, Anisah and Liew, Pay Jun and Kasim, Mohd Shahir and Abd Razak, Jeefferie and Ab Maulod, Hairul Effendy and Qumrul Ahsan (2021) Morphological Characteristics And Wear Mechanism Of Recycled Carbon Fibre Prepreg Reinforced Polypropylene Composites. Malaysian Journal on CompositesScience and Manufacturing, 5 (1). pp. 1-10. ISSN 2716-6945

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Abstract

The polypropylene (PP) reinforced with recycled carbon fibres (rCF) was successfully produced using a Haake internal mixer via melt compounding. The compounding was performed at 180°C, rotor speed of 50 rpm and compounding period of 10 minutes. The standard samples for the pin on disc testing were prepared using injection moulding. The effect of rCF filler loadings of 0.5, 1, 3, 5, 7, 10, 13, 15 and 20 wt% was studied for the tribological properties. The results were compared with 100% PP. The morphological behaviours for the effect of low and high fibre loadings were observed using scanning electron microscopy analyses.The composites with low carbon fibre loading of up to 3 wt% imposed higher resistance to dry sliding friction. In contrast, the increment of fibre loading at 5 wt% to 20 wt% decreased the wear rate of the composites due to patch film and transfer film formation. The wear mechanism of the composites for different fibre loading was graphically sketched from morphological observation. As the conclusions, the composites showed promising self-lubricating properties, capable of wear reduction with significant physical and mechanical properties.

Item Type: Article
Uncontrolled Keywords: Polymer composites, Polypropylene, Recycled carbon fibre, Tribological properties, Wear morphology
Divisions: Faculty of Manufacturing Engineering
Depositing User: Sabariah Ismail
Date Deposited: 28 Feb 2022 16:37
Last Modified: 28 Feb 2022 16:37
URI: http://eprints.utem.edu.my/id/eprint/25610
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