Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications

The usage of natural fibres as a reinforcement in material composites has increased over time. This utilization had been applied widely in several regions of the world and has already reached maturity in terms of technology, infrastructure and cost competitiveness. Aerospace industries were looking...

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Main Author:	Ismail, Muhammad Faizzuddin
Format:	Thesis
Language:	English
Published:	2018
Subjects:	Aerospace engineering Velocity modulation Kenaf
Online Access:	http://psasir.upm.edu.my/id/eprint/77755/1/FK%202019%2053%20ir.pdf
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spelling	my-upm-ir.777552022-01-24T03:09:42Z Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications 2018-10 Ismail, Muhammad Faizzuddin The usage of natural fibres as a reinforcement in material composites has increased over time. This utilization had been applied widely in several regions of the world and has already reached maturity in terms of technology, infrastructure and cost competitiveness. Aerospace industries were looking forwards on fully utilized their structural components by using composites material towards environmentally friendly solutions. The application of hybrid composites can be utilized by reducing the usage of synthetic fibre and replacing them with natural fibre. Nonetheless, the applications of composites in aircraft’s structure is tends to develop, especially the use of hybrid composites for fuselage which has many conflicting requirements. Several issues are highlighted in this research such as the selection of natural fibre that suits the usage in aerospace structural applications and the most suitable weight percentage combinations of individual fibre in hybrid composites that approaching the original constituents. Hence, the objectives of this research can be summarised as follows: the mechanical properties of a hybrid composite of glass/ kenaf fibre were investigated, especially with regards to tensile strength and low velocity impact (LVIT) resistance. A non-destructive test (NDT) was conducted by using dye penetrant to inspect the damages after impact where those areas were measured and analysed. The compression after impact (CAI) test was also performed on the impacted hybrid composite samples to analyse further the damage progression of the sample from the compressive aspect. It was found that, through mechanical analysis, the hybrid composite with the combination of 75% weight percentage of glass fibre and 25% weight percentage of kenaf fibre had the best tensile properties that approaching the tensile strength of 100% glass fibre. Furthermore, the best selected sample may experience LVIT impact forces up to 40 Joule. The higher impact force had led to larger damage and dents areas. CAI tests were carried out resulting in the decreases of the compression force exerted to the impacted damaged of the 40 Joule’s sample. Aerospace engineering Velocity modulation Kenaf 2018-10 Thesis http://psasir.upm.edu.my/id/eprint/77755/ http://psasir.upm.edu.my/id/eprint/77755/1/FK%202019%2053%20ir.pdf text en public masters Universiti Putra Malaysia Aerospace engineering Velocity modulation Kenaf Hameed Sultan, Mohamed Thariq
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English
advisor	Hameed Sultan, Mohamed Thariq
topic	Aerospace engineering Velocity modulation Kenaf
spellingShingle	Aerospace engineering Velocity modulation Kenaf Ismail, Muhammad Faizzuddin Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
description	The usage of natural fibres as a reinforcement in material composites has increased over time. This utilization had been applied widely in several regions of the world and has already reached maturity in terms of technology, infrastructure and cost competitiveness. Aerospace industries were looking forwards on fully utilized their structural components by using composites material towards environmentally friendly solutions. The application of hybrid composites can be utilized by reducing the usage of synthetic fibre and replacing them with natural fibre. Nonetheless, the applications of composites in aircraft’s structure is tends to develop, especially the use of hybrid composites for fuselage which has many conflicting requirements. Several issues are highlighted in this research such as the selection of natural fibre that suits the usage in aerospace structural applications and the most suitable weight percentage combinations of individual fibre in hybrid composites that approaching the original constituents. Hence, the objectives of this research can be summarised as follows: the mechanical properties of a hybrid composite of glass/ kenaf fibre were investigated, especially with regards to tensile strength and low velocity impact (LVIT) resistance. A non-destructive test (NDT) was conducted by using dye penetrant to inspect the damages after impact where those areas were measured and analysed. The compression after impact (CAI) test was also performed on the impacted hybrid composite samples to analyse further the damage progression of the sample from the compressive aspect. It was found that, through mechanical analysis, the hybrid composite with the combination of 75% weight percentage of glass fibre and 25% weight percentage of kenaf fibre had the best tensile properties that approaching the tensile strength of 100% glass fibre. Furthermore, the best selected sample may experience LVIT impact forces up to 40 Joule. The higher impact force had led to larger damage and dents areas. CAI tests were carried out resulting in the decreases of the compression force exerted to the impacted damaged of the 40 Joule’s sample.
format	Thesis
qualification_level	Master's degree
author	Ismail, Muhammad Faizzuddin
author_facet	Ismail, Muhammad Faizzuddin
author_sort	Ismail, Muhammad Faizzuddin
title	Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
title_short	Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
title_full	Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
title_fullStr	Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
title_full_unstemmed	Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
title_sort	low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications
granting_institution	Universiti Putra Malaysia
publishDate	2018
url	http://psasir.upm.edu.my/id/eprint/77755/1/FK%202019%2053%20ir.pdf
_version_	1747813255879852032

Low velocity impact analysis of glass/kenaf hybrid composites for aerospace structural applications

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