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Tensile and Flexural Properties of Grass/Epoxy Composites

The applications of synthetic fibrecomposites in industry are very significant especially in aerospace and automotive sector due to their excellent properties and low density. However, concern for environment has caused people to start looking forward to use natural fibre as reinforcement in composi...

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Main Author: NGAH, MUHAMMAD HELMI
Format: Final Year Project
Language:English
Published: UNIVERSITI TEKNOLOGI PETRONAS 2012
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://utpedia.utp.edu.my/6190/1/MUHAMMAD%20HELMI%20NGAH_Dissertation.pdf
http://utpedia.utp.edu.my/6190/
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spelling my-utp-utpedia.61902017-01-25T09:40:09Z http://utpedia.utp.edu.my/6190/ Tensile and Flexural Properties of Grass/Epoxy Composites NGAH, MUHAMMAD HELMI TJ Mechanical engineering and machinery The applications of synthetic fibrecomposites in industry are very significant especially in aerospace and automotive sector due to their excellent properties and low density. However, concern for environment has caused people to start looking forward to use natural fibre as reinforcement in composite. One of the natural fibres that need to be extracted its competency as the reinforcing component is grass (ImperataCylindrica). Grass is an invasive plant that grows at a disturbed area. The inexpensiveness and the abundance source of grass in this country has made is the potential candidate to be studied. In this research, the effects of length of5 %wt. discontinuous reinforcements (10, 15 and 20 mm)on tensile and flexural properties of grass/epoxy composites are investigated. The plates were produced manually by using hand stirring technique. The curing process was done at room temperature of 25°C for 24 hours without compression pressure. Then, tensile and flexural test was conducted with the crosshead speed on 20 mm/min. From the test, the mechanical properties of the composites are increasing with the fibre length. Besides, it is found out that the optimum fibre length of grass to reinforce the epoxy is 20 mm with the tensile strength, Young’s modulus, flexural strength and flexural modulus of 22.03 MPa, 1.38 GPa, 51.68 MPa and 4.77 GPa respectively. Besides, the addition of grass reinforcement in epoxy (GE20) shows the most significant effect in the flexural modulus of the composites where it increases approximately by 39 %. UNIVERSITI TEKNOLOGI PETRONAS 2012-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/6190/1/MUHAMMAD%20HELMI%20NGAH_Dissertation.pdf NGAH, MUHAMMAD HELMI (2012) Tensile and Flexural Properties of Grass/Epoxy Composites. UNIVERSITI TEKNOLOGI PETRONAS, UNIVERSITI TEKNOLOGI PETRONAS. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
NGAH, MUHAMMAD HELMI
Tensile and Flexural Properties of Grass/Epoxy Composites
description The applications of synthetic fibrecomposites in industry are very significant especially in aerospace and automotive sector due to their excellent properties and low density. However, concern for environment has caused people to start looking forward to use natural fibre as reinforcement in composite. One of the natural fibres that need to be extracted its competency as the reinforcing component is grass (ImperataCylindrica). Grass is an invasive plant that grows at a disturbed area. The inexpensiveness and the abundance source of grass in this country has made is the potential candidate to be studied. In this research, the effects of length of5 %wt. discontinuous reinforcements (10, 15 and 20 mm)on tensile and flexural properties of grass/epoxy composites are investigated. The plates were produced manually by using hand stirring technique. The curing process was done at room temperature of 25°C for 24 hours without compression pressure. Then, tensile and flexural test was conducted with the crosshead speed on 20 mm/min. From the test, the mechanical properties of the composites are increasing with the fibre length. Besides, it is found out that the optimum fibre length of grass to reinforce the epoxy is 20 mm with the tensile strength, Young’s modulus, flexural strength and flexural modulus of 22.03 MPa, 1.38 GPa, 51.68 MPa and 4.77 GPa respectively. Besides, the addition of grass reinforcement in epoxy (GE20) shows the most significant effect in the flexural modulus of the composites where it increases approximately by 39 %.
format Final Year Project
author NGAH, MUHAMMAD HELMI
author_facet NGAH, MUHAMMAD HELMI
author_sort NGAH, MUHAMMAD HELMI
title Tensile and Flexural Properties of Grass/Epoxy Composites
title_short Tensile and Flexural Properties of Grass/Epoxy Composites
title_full Tensile and Flexural Properties of Grass/Epoxy Composites
title_fullStr Tensile and Flexural Properties of Grass/Epoxy Composites
title_full_unstemmed Tensile and Flexural Properties of Grass/Epoxy Composites
title_sort tensile and flexural properties of grass/epoxy composites
publisher UNIVERSITI TEKNOLOGI PETRONAS
publishDate 2012
url http://utpedia.utp.edu.my/6190/1/MUHAMMAD%20HELMI%20NGAH_Dissertation.pdf
http://utpedia.utp.edu.my/6190/
_version_ 1739831320488443904
score 13.211869

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