Vikri A, Diefa (2023) Analisis Pengaruh Variasi Fraksi Volume dan Durasi Lama Perendaman NaOH Terhadap Uji Tarik dan Uji Impact Material Komposit Serat Sabut Kelapa. Undergraduate thesis, Politeknik Negeri Jember.
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Abstract
Composite is a combination of two materials that results in a third, more useful material. The composite is made up of coconut fiber for strengthening and resin for binding. The NaOH alkali treatment of coir fibers removes contaminants and lignin layers from the fibers, allowing the fibers' natural characteristics to offer excellent adhesion to the resin. Hand lay up is a method of creating composites that involves pouring resin into the fiber before exerting pressure and leveling it with a brush or roll. The fiber volume fraction employed is a mix of SR-1 (40%: 60%), SR-2 (50%: 50%), SR-3 (60%: 40%), and variations in fiber immersion time 1 and 2 hours. Tensile test results with the SR-2 variation (50%:50%) have the greatest tensile strength value of 22.25 N/mm2, followed by the SR-3 mixture variation (60%:40%) with a value of 20.37 N/mm2, and the SR-1 mixture variation (40%:60) with a value of 19 N/mm2. The impact test results with the SR-1 variation (40%:60%) had the greatest impact strength value of 0.01005 J/mm2 compared to the SR-3 mixture variation (60%:40%) of 0.00970 J/mm2 and the SR-2 mixture variation (50%:50) of 0.00935 J/mm2. In both tensile and impact testing, fiber soaking in 5% NaOH alkali for 2 hours outperformed fiber soaking in 1 hour in both tensile and impact testing.
| Item Type: | Thesis (Undergraduate) | ||||||
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| Uncontrolled Keywords: | Composite, Coconut Fiber, 5% NaOH, Hand Lay Up, Tensile, Impact. | ||||||
| Subjects: | 410 - Rumpun Ilmu Teknik > 430 - Ilmu Keteknikan Industri > 445 - Teknik Material (Ilmu Bahan) | ||||||
| Divisions: | Jurusan Teknik > Prodi D4 Mesin Otomotif > Tugas Akhir | ||||||
| Depositing User: | Diefa Vikri A | ||||||
| Date Deposited: | 14 Aug 2023 06:10 | ||||||
| Last Modified: | 14 Aug 2023 06:10 | ||||||
| URI: | https://sipora.polije.ac.id/id/eprint/27962 |
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