Arrohman, Ryan Taufiq and , Ir. Bibit Sugito, MT (2022) Analisa Kuat Arus Pada Pengelasan GMAW Sambungan Alumunium 6063 dengan Kampuh V Tunggal Terhadap Kekuatan Tarik Kekerasan Struktur Mikro dan Unsur Bahan. Skripsi thesis, Universitas Muhammadiyah Surakarta.
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Abstract
Aluminum alloy is one type of metal that is used as a construction material on ships. Determination of welding parameters is very important in the welding process, especially the strength of the welding current and the shape of the seam on the mechanical properties of the weld. This study was conducted to determine how much influence on the mechanical properties if the current used in welding is varied with the current strength values of 120 A, 140 A, and 160 A. The material used is Aluminum Series 6063 with a thickness of 5 mm with a single V joint connection of 60°. The welding method applied in this research is GMAW welding with ER 5356 filler with a diameter of 1 mm as the filler metal. By conducting tensile, hardness, microstructure, and elemental tests, the highest tensile strength was achieved at a current of 120 A with a stress value of 235 Mpa, strain 0.029, and modulus of elasticity 8102 Mpa. The lowest tensile strength occurs at a current of 160 A with a stress value of 167.6 Mpa, a strain of 0.032, and a modulus of elasticity of 5252 Mpa. The results of the SEM-EDX test are influenced by the low and high variations in current and heat input so that there are differences in the content of compounds in it, this indicates that the hardness value in the weld area is always greater than in the HAZ area and the parent metal for each variation of current strength. At a current of 120 A, the hardness test obtained the highest strength of 63.4 HVN, the lowest hardness at a current of 160 A with a value of 57.23 HVN.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | GMAW, Al-Si, Current, Elasticity V, Tensile Test, Hardness, SEM |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | RYAN TAUFIQ ARROHMAN |
| Date Deposited: | 11 Aug 2022 06:42 |
| Last Modified: | 11 Aug 2022 06:42 |
| URI: | http://eprints.ums.ac.id/id/eprint/103580 |
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