Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites

The mechanical properties of wood polymer composites (WPC) consisting of polypropylene (PP) and mixed sawdust (SD) of meranti shorea spp. dominant and rice husk (RH) filler have been studied. Three different fillers loading of 50 wt. %, 60 wt. % and 70 wt. % were used and the process of compounding...

Full description

Saved in:

Bibliographic Details
Main Author:	Ashari, Aminullah
Format:	Thesis
Language:	English
Published:	2012
Subjects:	TA404 Composite materials
Online Access:	http://eprints.usm.my/41155/1/AMINULLAH_ASHARI_24_Pages.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-usm-ep.41155
record_format	uketd_dc
spelling	my-usm-ep.411552018-07-25T08:46:56Z Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites 2012 Ashari, Aminullah TA404 Composite materials The mechanical properties of wood polymer composites (WPC) consisting of polypropylene (PP) and mixed sawdust (SD) of meranti shorea spp. dominant and rice husk (RH) filler have been studied. Three different fillers loading of 50 wt. %, 60 wt. % and 70 wt. % were used and the process of compounding and extrusion was carried out using a twin screw extruder. Increase in flexural modulus and tensile modulus are observed while tensile strength, elongation at break, flexural strength and Izod impact strength decrease with increasing filler loading. Water absorption capability increased significantly with the increased of filler loading especially composite with 70 wt. % filler loading. Composites with 50 wt. % of filler found to have an optimum mechanical and physical property, thus being used for further study on the effect of coupling agent. The interfacial bonding between wood filler and PP matrix were studied using maleic anhydride grafted polypropylene (MAPP). Three different loading of MAPP with 1 wt. %, 2 wt. % and 3 wt. % were used in this study. Addition of the MAPP shows some improvement especially tensile strength, tensile modulus and flexural properties. Most of the time, an improvements were observed at 1 wt. % of MAPP, further increment of the MAPP did not show any significant impact on the property tested. SD-PP composites consistently produce an excellence mechanical and physical property to compare with RH-PP composite, better aspect ratio value of SD filler is the main reason for the excellence property. SD-PP composites were used for further study on the impact of difference type of specimens conditioning. Tensile and flexural properties decreased with the exposure to difference extreme conditions. The tensile and flexural properties of the SD-PP composite exposed to xenon-arc light affected most to compare with other exposure. SD-PP composite (without MAPP) experience drop in tensile modulus about 46 % and the drop of mechanical properties is due to the photo-oxidation and chain scission of the polymer molecule. The degradation of specimens after 1000 hours exposure Xenon-arc light was also proven by colour change analysis where it is found that all samples lost most of it original colour 2012 Thesis http://eprints.usm.my/41155/ http://eprints.usm.my/41155/1/AMINULLAH_ASHARI_24_Pages.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Bahan dan Sumber Mineral
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	TA404 Composite materials
spellingShingle	TA404 Composite materials Ashari, Aminullah Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites
description	The mechanical properties of wood polymer composites (WPC) consisting of polypropylene (PP) and mixed sawdust (SD) of meranti shorea spp. dominant and rice husk (RH) filler have been studied. Three different fillers loading of 50 wt. %, 60 wt. % and 70 wt. % were used and the process of compounding and extrusion was carried out using a twin screw extruder. Increase in flexural modulus and tensile modulus are observed while tensile strength, elongation at break, flexural strength and Izod impact strength decrease with increasing filler loading. Water absorption capability increased significantly with the increased of filler loading especially composite with 70 wt. % filler loading. Composites with 50 wt. % of filler found to have an optimum mechanical and physical property, thus being used for further study on the effect of coupling agent. The interfacial bonding between wood filler and PP matrix were studied using maleic anhydride grafted polypropylene (MAPP). Three different loading of MAPP with 1 wt. %, 2 wt. % and 3 wt. % were used in this study. Addition of the MAPP shows some improvement especially tensile strength, tensile modulus and flexural properties. Most of the time, an improvements were observed at 1 wt. % of MAPP, further increment of the MAPP did not show any significant impact on the property tested. SD-PP composites consistently produce an excellence mechanical and physical property to compare with RH-PP composite, better aspect ratio value of SD filler is the main reason for the excellence property. SD-PP composites were used for further study on the impact of difference type of specimens conditioning. Tensile and flexural properties decreased with the exposure to difference extreme conditions. The tensile and flexural properties of the SD-PP composite exposed to xenon-arc light affected most to compare with other exposure. SD-PP composite (without MAPP) experience drop in tensile modulus about 46 % and the drop of mechanical properties is due to the photo-oxidation and chain scission of the polymer molecule. The degradation of specimens after 1000 hours exposure Xenon-arc light was also proven by colour change analysis where it is found that all samples lost most of it original colour
format	Thesis
qualification_level	Master's degree
author	Ashari, Aminullah
author_facet	Ashari, Aminullah
author_sort	Ashari, Aminullah
title	Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites
title_short	Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites
title_full	Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites
title_fullStr	Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites
title_full_unstemmed	Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites
title_sort	effect of fiber composition on mechanical and physical properties of high loading wood fiber composites
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Kejuruteraan Bahan dan Sumber Mineral
publishDate	2012
url	http://eprints.usm.my/41155/1/AMINULLAH_ASHARI_24_Pages.pdf
_version_	1747820884369866752

Effect Of Fiber Composition On Mechanical And Physical Properties Of High Loading Wood Fiber Composites

Similar Items