CD Skripsi
Pemanfaatan Serat Pelepah Kelapa Sawit Pada Komposit Dengan Quasi Isotropic Lay Up Untuk Aplikasi Nose Cone Pada Mobil Formula Student
ABSTRACT
The automotive industry sector currently requires materials that have strong and lightweight properties such as composite materials. Composites are the result of combining two or more materials macroscopically which aims to produce materials with superior properties. Therefore, the use of oil palm frond fiber as a composite reinforcement is an environmentally friendly alternative to reduce the use of synthetic fibers. This study aims to obtain a quasi-isotropic lamination direction of oil palm frond fiber and epoxy resin for tensile and impact strength that meets FSAE standards. Composite manufacturing was carried out by vacuum-assisted resin infusion method and quasi-isotropic lay-up, fiber:epoxy fraction 40:60% with variations in fiber orientation direction A(0,45,90,-45)°s, B(90,-45,0,45)°s, C(45,90,-45,0)°s. Alkali treatment was carried out with 20g/liter NaOH solvent with a soaking time of 1 hour at a temperature of 100 °C, the oil palm frond fiber used was a continuous fiber type. The results showed that the composite with specimen code C(45,90,-45,0)°s gave the best results in the tensile test with a tensile strength of 13.26 MPa and the composite with specimen code A(0,45,90,-45)°s gave the best results in the impact test with an impact value of 9.43 kJ/m2. The results showed that the composite that had met the requirements of the Society of Automotive Engineers (SAE) for bumper/nose cone applications using quasi-isotropic composites and met the requirements of the Japan Industrial Standard (JIS) A5905-2003 for bumper/nose cone applications with a targeted tensile strength of 0.4 MPa, but had not met the targeted impact value of 24.33 kJ/m2. This research provides new insights into the development of composite materials using natural fibers as an alternative for environmentally friendly bumpers/nose cones and has the potential to replace the use of synthetic fibers.
Keywords: composite, oil palm frond fiber, vacuum assisted resin infusion, quasi isotropic lay up
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