ANALISIS PERBANDINGAN HASIL UJI TARIK PADA MATERIAL KOMPOSIT SANDWICH CARBON POLYFOAM DENGAN SUDUT FACE 900 DAN 450

BUDI KUSUMA, SYAHRUL (2019) ANALISIS PERBANDINGAN HASIL UJI TARIK PADA MATERIAL KOMPOSIT SANDWICH CARBON POLYFOAM DENGAN SUDUT FACE 900 DAN 450. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Composite is a material that is often used on UAV aircraft. Composite is often used on UAV aircraft because it has mild properties, is resistant to corrosion, is inexpensive, has strong, durable usage and so on. As is well known some of the UAV aircraft structures use composite materials, one of which is the sandwich structure. The sandwich structure consists of thin skins that have high mechanical properties and thick cores that have low density. Besides the sandwich structure also has high strength, light weight and can reduce the overall weight of an aircraft and improve fuel efficiency. The aircraft components are made of sandwich structures namely on the tail, wing of the aircraft, radome, inner duck, aileron, fan cowl and flap. The material that is often used in sandwich structures is carbon-polyfoam material. Sandwich structure is a structure that is often applied to UAV aircraft so it needs to be tested on the material. In this study, testing was conducted on carbon-polyfoam sandwich materials with different face angles, namely at an angle of 900 to the axis (Y) and 450 to the axis (Y) using a tensile test method and then the results can be used as a reference in the selection of strong and safe materials in making aircraft. In addition, this test was conducted to determine the process of making carbon-polyfoam sandwich composites with the hand lay-up method. Testing uses the hand lay-up method because it is easier and cheaper. Based on the results obtained from testing, specimens with a 900 face angle have better results than specimens with a 450 face angle. Because it has an average value of load that can be received specimens with 900 face angles is greater that is 713.9826 Kgf while specimens with face angles 450 is 427,519 Kgf. So that it can be said that the selection of material with a 900 face angle is better than the material with a 45 0 face angle installation

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