STUDI EKSPERIMEN KEKUATAN BENDING KOMPOSIT SERBUK TONGKOL JAGUNG DAN SERBUK KAYU JATI BERMATRIKS RESIN EPOKSI SEBAGAI BAHAN KANDIDAT SAYAP PESAWAT TANPA AWAK

Fachri, M. (2023) STUDI EKSPERIMEN KEKUATAN BENDING KOMPOSIT SERBUK TONGKOL JAGUNG DAN SERBUK KAYU JATI BERMATRIKS RESIN EPOKSI SEBAGAI BAHAN KANDIDAT SAYAP PESAWAT TANPA AWAK. Thesis thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

The development of technology in the manufacturing industry, especially in the production of unmanned aerial vehicles, has resulted in significant progress. Composites are formed from a combination of two or more materials with different mechanical properties. The matrix acts as a binding material, while the reinforcement acts as a strengthening material. Powder is generally used as reinforcement in composites. This study aims to test the bending strength of teak sawdust composites with a volume fraction of 10% corncob powder - 20% teak wood powder - 70% epoxy resin and hardener, 10% corn cob powder - 30% teak wood powder - 60% resin epoxy and hardener, 10% corncob powder – 40% teak sawdust - 50% epoxy resin and hardener. The standard used in the test is ASTM D 790-99 for bending strength. The results showed that the highest bending strength in the volume fraction of 10% corn cob powder and 20% teak wood powder was 34.414 N/mm2 while the lowest bending strength in the volume fraction of 10% corn cob powder and 40% teak wood powder was 16.133 N/mm2. The higher the volume fraction of teak sawdust, the bending strength of the composite will tend to decrease.

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