Tiarno, Ryan and , Ir. Bibit Sugito, MT (2022) Studi Analisa Pengaruh Kecepatan Gas Pada Pengelasan Gmaw Al 6061 Terhadap Kekuatan Tarik, Kekerasan, Dan Struktur Mikro Dengan Sambungan Bevel Groove. Skripsi thesis, Universitas Muhammadiyah Surakarta.
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Abstract
This study aims to analyze the effect of shielding gas flow velocity on GMAW Aluminum 6061 welding on tensile strength, hardness, and Scanning Electron Microscopy (SEM) in bevel groove joints. The tensile test results from the reasoning for variations in the flow velocity of the protective gas 5 liters/minute have an average value of 4.56 kN, 10 liters/minute have an average value of 5.86 kN, 15 liters/minute have an average value of 6.73 kN. From the results of the micro vikers test which has decreased, for the hardness of the 5 liter/minute gas shield speed variation in the welding section is 71.53 HVN, the HAZ 1 section is 75.83 HVN, the HAZ 2 section is 76.27 HVN, 10 liters/minute in the weld section is 67.70 HVN, the HAZ 1 section is 65.56 HVN, the HAZ 2 section is 69.50 HVN, 15 liters/minute in the weld section is 57.83 HVN, the HAZ 1 section is 59.23 HVN, the HAZ 2 is 67.73 HVN. The results of Scanning Electron Microscope (SEM) photos on the LAS and Heat Affected Zone (HAZ) sections with variations in the speed of the protective gas flow 5 liters/minute, 10 liters/minute, 15 liters/minute there is a growth of fine and dense grains.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | GMAW, Al, Chemical Composition, Tensile Strength, Hardness, SEM |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | RYAN TIARNO |
| Date Deposited: | 10 Nov 2022 02:02 |
| Last Modified: | 10 Nov 2022 02:02 |
| URI: | http://eprints.ums.ac.id/id/eprint/105612 |
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