Raden Bhanu Rajendra Wijaya, . (2025) KARAKTERISTIK MEKANIS BIOKOMPOSIT BERBAHAN SERAT NANAS DAN RESIN EPOXY VARIASI ORIENTASI SERAT DAN KOMPOSISI MATRIKS TERHADAP KEKUATAN TARIK. Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.
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Abstract
Pineapple leaf fiber is a waste with high potential as a raw material for biocomposites. Environmentally friendly and economically valuable, this fiber offers good tensile strength and flexibility, making it a suitable alternative to conventional composite materials in various industries. The study aims to investigate the effect of fiber orientation and matrix composition on the tensile strength of pineapple fiber-reinforced epoxy biocomposites, as well as to determine the optimal combination of parameters for achieving the best mechanical properties. An experimental method was employed using the hand lay-up technique, with tensile testing conducted according to ASTM D3039 standards. A total of 27 specimens were prepared with variations in fiber orientation (0°, 45°, and 90°), fiber-to-resin ratios (60:40, 70:30, 80:20), and resin-to-hardener ratios (10:3, 10:4, 10:5).The results showed that a 0° fiber orientation yielded the highest tensile strength, with an average of 55.58 MPa and a maximum value of 94.51 MPa. Although composition variations were not statistically significant, the 70:30 fiber-to-resin and 10:4 resin-to-hardener combinations tended to provide better tensile performance. ANOVA analysis indicated a significant effect of fiber orientation on tensile strength (p-value = 0.0000253 < 0.05), while matrix composition variations were not significant (p > 0.05). The coefficient of variation (CV) averaged below 15%, indicating good consistency across repeated tests. Therefore, a combination of 0° fiber orientation, 70:30 fiber-to-resin, and 10:4 resin-to-hardener is recommended for optimal tensile performance in biocomposites produced by the hand lay-up method.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Additional Information: | [No.Panggil: 2010311053] [Pembimbing: Armansyah] [Penguji 1: Fahrudin] [Penguji 2: Budhi Marthana] |
| Uncontrolled Keywords: | hand lay-up, tensile strength, pineapple fiber |
| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin (S1) |
| Depositing User: | RADEN BHANU RAJENDRA WIJAYA |
| Date Deposited: | 08 Aug 2025 09:22 |
| Last Modified: | 08 Aug 2025 09:22 |
| URI: | http://repository.upnvj.ac.id/id/eprint/39537 |
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