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STUDY ON TENSILE AND FLEXURAL PROPERTIES OF RECYCLED HIGH DENSITY POLYETHELENE/SAWDUST COMPOSITES

JOHAR, AIMI NURLIYANA (2011) STUDY ON TENSILE AND FLEXURAL PROPERTIES OF RECYCLED HIGH DENSITY POLYETHELENE/SAWDUST COMPOSITES. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Plastic lumber is a wood plastic composite and usually made from recycled material. It is composed of recycled High Density Polyethylene (r-HDPE) and wood waste known as saw dust. The goal for this project is to evaluate the tensile and flexural properties of r-HDPE/sawdust composites with various compositions. The sawdust was ranging from 0 wt% to 50 wt%. Sawdust is commonly available at furniture factories whereas r-HDPE was collected from milk and yoghurt bottles. Twin-screw extruder and hot press compression moulding machines were used to produce this polymer composite. Study of the mechanical properties of the loading sawdust content showed that tensile strength of the composites is decreased with increasing of sawdust content. The best tensile strength was achieved with I 0 wt % of sawdust, which translated to reductions of 14.3% compared to pure r-HDPE. For flexural strength and modulus, the performance is increased by increasing of sawdust content. The maximum flexural strength and modulus were obtained with 40 wt% of sawdust content, which were 46.0% and 58.9% improvement. Scanning electron microscopy (SEM) images of the fractured surfaces from tensile testing had been done to investigate the interfacial bonding between sawdust and r-HDPE matrix

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Polymers - Recycling
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 08 Nov 2013 11:42
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/10400

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