PENGARUH DIAMETER HOLE TERHADAP KEKUATAN SINGLE LAP JOINT PADA MATERIAL ALUMINIUM 2024-T3 DALAM KEGIATAN AIRCRAFT MAINTENANCE

SURYA ANDHIKA, DIMAS (2018) PENGARUH DIAMETER HOLE TERHADAP KEKUATAN SINGLE LAP JOINT PADA MATERIAL ALUMINIUM 2024-T3 DALAM KEGIATAN AIRCRAFT MAINTENANCE. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Riveting on aircraft material required drilling. Some errors occur during the drilling, the technician may be able to make a mistake resulting in the diameter of the hole does not same to the diameter rivet. This is probably due to the drilling for riveting not only once done, so that technicians have a fatigue, then the position of drilling is not perpendicular. As a result of the incidence the diameter of the hole may increase. This research is focused to analyze the strength of result of single joint joint with riveting which varied its diameter hole. The joint type on the material is a single riveted lap joint. The riveting is done by personnel who have certificate of expertise in the field of riveting. Then the results of riveting done tensile testing and macro photo testing. The specimens used in this study were Aluminum 2024-T3 and for rivet using countersunk rivet. The test results on the 3.4 mm diameter hole variation has the highest shear strength values compared to the 3.2 mm and 3.5 mm diameter hole variations. Shear strength value of diameter hole variation 3.4 mm is 253.752 N / mm2 and has a damage length of 0.01 mm. It can be interpreted the maximum oversize during drilling is at 3.4

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