PENGARUH VARIASI WAKTU KOMPAKSI KOMPOSIT SERAT DAUN PANDAN LAUT - POLIPROPILENA TERHADAP KEKUATAN IMPAK DAN MORFOLOGI KOMPOSIT

PURNOMO, ALFIAN (2020) PENGARUH VARIASI WAKTU KOMPAKSI KOMPOSIT SERAT DAUN PANDAN LAUT - POLIPROPILENA TERHADAP KEKUATAN IMPAK DAN MORFOLOGI KOMPOSIT. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Natural fiber composites are one of the environmentally friendly composites. Natural fibers such as flax, pineapple, and kenaf can be a good reinforcing material for thermoset and thermoplastic composites. Composites that use natural fiber reinforcement can be increased by adding time to pressure in the process of its formation. The aim of this study was to identify the effects of the addition of variations in compression time on the mechanical properties of composites of sheets of sea pandanus fibers - polypropylene. Sea pandanus sheet fiber composite material - Polypropylene processed with simple heat press method. The temperature used in the pressing process was 250 ° C with a pressure of 2,436 Psi and 0.066 Psi. The variation in pressing time was 40, 50, 70, 80 minutes. The mechanical properties that had been tested were impact and SEM. The composite facts were observed using a scanning electron microscope (SEM). The impact tests on sea pandanus polypropylene sheet fiber composites with a variation of 2,436 Psi and 0.066 Psi showed the highest average impact value was in the variation of the compaction pressure of 2,436 Psi with a 40 minute compaction time of 0.0077 J/mm2 and the average the lowest impact value was at a pressure change of 0.066 Psi with a compaction time of 80 minutes which equals 0, 0023 J/mm2 .

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