Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate

Composite has been widely use in many industries especially in aeronautic and automotive due to superior mechanical properties of composite such as light weight and high specific strength. The concern about environmental impact of emission from automobiles and uncertainty in fuel price has attracted...

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Main Author: Mohd Zalani, Naziatul Fazilah
Format: Thesis
Language:English
English
Published: 2019
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Online Access:http://eprints.utem.edu.my/id/eprint/24668/1/Investigation%20On%20Mechanical%20Behaviour%20Of%20Light%20Weight%20Woven%20Kenaf%20Fibre%20Reinforced%20Polypropylene-Aluminium%20Fibre%20Metal%20Laminate.pdf
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institution Universiti Teknikal Malaysia Melaka
collection UTeM Repository
language English
English
advisor Dhar Malingam, Sivakumar

topic TA Engineering (General)
Civil engineering (General)
spellingShingle TA Engineering (General)
Civil engineering (General)
Mohd Zalani, Naziatul Fazilah
Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate
description Composite has been widely use in many industries especially in aeronautic and automotive due to superior mechanical properties of composite such as light weight and high specific strength. The concern about environmental impact of emission from automobiles and uncertainty in fuel price has attracted many researchers to replace the use of monolithic metal in structural application of vehicle skin. Thus, the manufacturing of a light weight fibre metal laminate (FML) is potential to solve the problems since weight reduction of globally used vehicles helps in reducing energy consumption and CO2 emissions coupled with safety. The aim of this research is to investigate the mechanical properties of natural fibre FML through different parameters. Panels of woven kenaf fibre reinforced polypropylene-aluminium FML (WK/PP-aluminium FML) were fabricated by sandwiching 0.5 mm thin metal sheet of aluminium 6061-0 and 2 mm thickness of woven kenaf fibre reinforced polypropylene composite with different FML configuration determined by different layer of woven fibre (one layer (1L), two layers (2L) and three layers (3L)) and different fibre angle orientation (0/90° and 45/-45°). The experimental study on mechanical properties of FML were tested under tensile (ASTM D3039), flexural (ASTM D790), quasi static indentation, QSI (ASTM D6264), and low velocity impact, LVI (ASTM D3763) test to investigate the performance of the FMLs. The first objectives of the study is to investigate the effect of alkaline treatment of the fibre and were tested under tensile. The result obtained prove that treated fibre helps to improve tensile strength by 26.56% compared to the untreated fibre. Then, the following mechanical testing were conducted using FML with only treated fibre. The overall results shows that 3L FML outperformed the other FML which exhibited maximum load, strength, modulus and energy absorbed since it consists of optimum fibre content in WK/PP composite. On the other hand, the FML depicted that the increase in fibre layer results in reduction in elongation for all testing due to increase in stiffness. The FML with 45/-45° angle gives greater elongation than 0/90° angle orientation due to trellis effect. In comparison between fibre angles, tensile and flexural result shows that 0/90° is higher than 45/-45°. The QSI and LVI test were conducted using small and large indenter with diameter size of 12.7 mm and 20 mm. The results shows that FML with 45/-45° fibre angle offers more impact resistance compared to 0/90°. The trellis effect is significant in the 45/−45° angle orientation contributing to more energy to be absorbed. The large indenter gives higher properties than small indenter for both testing due to larger contact surface area which require more load and provides more energy absorbed. Besides, the failure mechanism of tensile and flexural were both demonstrated by visible composite fracture and aluminium fracture. The damage in QSI and LVI seems to have similar type of failure since all FML sample were completely perforated. In conclusion, the results obtained for WK/PP-aluminium FML shows a good mechanical properties and have a high potential to be use in related applications.
format Thesis
qualification_name Master of Philosophy (M.Phil.)
qualification_level Doctorate
author Mohd Zalani, Naziatul Fazilah
author_facet Mohd Zalani, Naziatul Fazilah
author_sort Mohd Zalani, Naziatul Fazilah
title Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate
title_short Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate
title_full Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate
title_fullStr Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate
title_full_unstemmed Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate
title_sort investigation on mechanical behaviour of light weight woven kenaf fibre reinforced polypropylene-aluminium fibre metal laminate
granting_institution Universiti Teknikal Malaysia Melaka
granting_department Faculty of Mechanical Engineering
publishDate 2019
url http://eprints.utem.edu.my/id/eprint/24668/1/Investigation%20On%20Mechanical%20Behaviour%20Of%20Light%20Weight%20Woven%20Kenaf%20Fibre%20Reinforced%20Polypropylene-Aluminium%20Fibre%20Metal%20Laminate.pdf
http://eprints.utem.edu.my/id/eprint/24668/2/Investigation%20On%20Mechanical%20Behaviour%20Of%20Light%20Weight%20Woven%20Kenaf%20Fibre%20Reinforced%20Polypropylene-Aluminium%20Fibre%20Metal%20Laminate.pdf
_version_ 1747834083697754112
spelling my-utem-ep.246682021-10-05T11:28:38Z Investigation On Mechanical Behaviour Of Light Weight Woven Kenaf Fibre Reinforced Polypropylene-Aluminium Fibre Metal Laminate 2019 Mohd Zalani, Naziatul Fazilah TA Engineering (General). Civil engineering (General) Composite has been widely use in many industries especially in aeronautic and automotive due to superior mechanical properties of composite such as light weight and high specific strength. The concern about environmental impact of emission from automobiles and uncertainty in fuel price has attracted many researchers to replace the use of monolithic metal in structural application of vehicle skin. Thus, the manufacturing of a light weight fibre metal laminate (FML) is potential to solve the problems since weight reduction of globally used vehicles helps in reducing energy consumption and CO2 emissions coupled with safety. The aim of this research is to investigate the mechanical properties of natural fibre FML through different parameters. Panels of woven kenaf fibre reinforced polypropylene-aluminium FML (WK/PP-aluminium FML) were fabricated by sandwiching 0.5 mm thin metal sheet of aluminium 6061-0 and 2 mm thickness of woven kenaf fibre reinforced polypropylene composite with different FML configuration determined by different layer of woven fibre (one layer (1L), two layers (2L) and three layers (3L)) and different fibre angle orientation (0/90° and 45/-45°). The experimental study on mechanical properties of FML were tested under tensile (ASTM D3039), flexural (ASTM D790), quasi static indentation, QSI (ASTM D6264), and low velocity impact, LVI (ASTM D3763) test to investigate the performance of the FMLs. The first objectives of the study is to investigate the effect of alkaline treatment of the fibre and were tested under tensile. The result obtained prove that treated fibre helps to improve tensile strength by 26.56% compared to the untreated fibre. Then, the following mechanical testing were conducted using FML with only treated fibre. The overall results shows that 3L FML outperformed the other FML which exhibited maximum load, strength, modulus and energy absorbed since it consists of optimum fibre content in WK/PP composite. On the other hand, the FML depicted that the increase in fibre layer results in reduction in elongation for all testing due to increase in stiffness. The FML with 45/-45° angle gives greater elongation than 0/90° angle orientation due to trellis effect. In comparison between fibre angles, tensile and flexural result shows that 0/90° is higher than 45/-45°. The QSI and LVI test were conducted using small and large indenter with diameter size of 12.7 mm and 20 mm. The results shows that FML with 45/-45° fibre angle offers more impact resistance compared to 0/90°. The trellis effect is significant in the 45/−45° angle orientation contributing to more energy to be absorbed. The large indenter gives higher properties than small indenter for both testing due to larger contact surface area which require more load and provides more energy absorbed. Besides, the failure mechanism of tensile and flexural were both demonstrated by visible composite fracture and aluminium fracture. The damage in QSI and LVI seems to have similar type of failure since all FML sample were completely perforated. In conclusion, the results obtained for WK/PP-aluminium FML shows a good mechanical properties and have a high potential to be use in related applications. 2019 Thesis http://eprints.utem.edu.my/id/eprint/24668/ http://eprints.utem.edu.my/id/eprint/24668/1/Investigation%20On%20Mechanical%20Behaviour%20Of%20Light%20Weight%20Woven%20Kenaf%20Fibre%20Reinforced%20Polypropylene-Aluminium%20Fibre%20Metal%20Laminate.pdf text en public http://eprints.utem.edu.my/id/eprint/24668/2/Investigation%20On%20Mechanical%20Behaviour%20Of%20Light%20Weight%20Woven%20Kenaf%20Fibre%20Reinforced%20Polypropylene-Aluminium%20Fibre%20Metal%20Laminate.pdf text en validuser https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=117642 mphil doctoral Universiti Teknikal Malaysia Melaka Faculty of Mechanical Engineering Dhar Malingam, Sivakumar 1. Abdullah, M.R., Pang, C.L., Husain, N.A., and Abdi, B., 2014. Indentation Fracture Behaviour of Fibre Metal Laminates Based on Kenaf/Epoxy. 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