PENGARUH WAKTU PEMANASAN PASCA PENGELASAN TERHADAP KEKUATAN TARIK DAN DISTORSI PADA SAMBUNGAN PLAT STAINLESS STEEL 430

NUR HAKIKI, HUDA (2018) PENGARUH WAKTU PEMANASAN PASCA PENGELASAN TERHADAP KEKUATAN TARIK DAN DISTORSI PADA SAMBUNGAN PLAT STAINLESS STEEL 430. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Welding is the common method for joining material used in construction and industrial applications. The variables of welding and reheating process are the important as they affect the mechanical properties of the welded materials after joining. This study used Gas Tungsten Arch Welding (GTAW) method and the reheating process used Gas Oxy Acetylene weld. The Variations used welding without reheating then by reheating 1-2-4 times of heating (20 seconds for eack time).The mechanical properties obtained from the tensile testing. Based on the analysis of data, the longer the heating time given, the higher value of the tensile strength and the distortion achieved. In the welding without reheating, 1 time had a tensile strength value of 389,361 N/mm2 meanwhile, in the welding with reheating 4 times had 404,723 N/mm2. In the welding without treatment the reheating had 5,75˚ distortion value while in the reheating 4 times, it had 2.5˚ distortion value.

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