Hussain, Nur Fadzila (2019) Low Velocity Impact Response Of Oil Palm Empty Fruit Bunch Fibre Metal Laminates. Masters thesis, Universiti Teknikal Malaysia Melaka.
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Abstract
The search for new environmental-friendly materials is ever growing. Hence, the use of natural fibre reinforced polymer composite in fibre metal laminates (FML) fields is the current interest. The potential and performance of FML based natural fibre have been investigated. Recently, the applications of lightweight criteria of FML in mechanical properties attract other industries including the automotive industry. This industry demands lightweight materials for vehicles concerning with sustainable and low manufacturing cost. Hence, FML with new alternative materials is required for this industry. Since FML is desired to be used in automotive or other forms of transport vehicles, the understanding of its behaviour under impact loading was relevant and important. This study investigated the effect of different stacking configuration (2/1, 3/2 and 4/3) subjected to quasi static indentation test and low velocity impact test for oil palm empty fruit bunch fibre reinforced-metal laminate (OPFML) system. Experiments were performed with a constant strain rate of 1.0mm/s of static loading and varying impact velocities at 1.98m/s, 2.80m/s and 3.43m/s of dynamic loading. The similar hemispherical indenter size with 12.7mm was used for both testing. The indentation behaviour and impact resistance of OPFML panels were presented based on the peak load, maximum displacement, energy absorption and specific energy absorption values. For both testing, it is clear the highest stacking configuration, OPFML 4/3 showed the highest value of the peak load, energy absorption and specific energy absorption values due to the stiffer behaviour. An examination of different impact velocities under low velocity impact test revealed the highest velocity of 3.43m/s which showed the highest value of energy absorption and specific energy absorption for each stacking configuration. From this study, it is found that the failure mode of quasi static indentation test showed the similar trend of each stacking configuration whereas the failure mode of low velocity impact test showed the different trends for each velocity. As a conclusion, the stacking configuration influenced the indentation behaviour and impact resistance of OPFML panels. Hence, oil palm empty fruit bunch fibre is suitable as a new raw material for the composite part in automotive industry application.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Fibrous composites, Mechanical properties, Composite materials, Laminated materials, Oil Palm, Empty Fruit Bunch, Fibre Metal Laminates |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Library > Tesis > FKM |
| Depositing User: | F Haslinda Harun |
| Date Deposited: | 05 Nov 2020 08:54 |
| Last Modified: | 05 Oct 2021 12:30 |
| URI: | http://eprints.utem.edu.my/id/eprint/24665 |
| Statistic Details: | View Download Statistic |
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