Material Selection and Properties Open access Peer reviewed

VARIASI ALIRAN GAS PELINDUNG DAN KECEPATAN PENGELASAN MIG PADA PIPA ALUMINIUM 6063 TERHADAP KEKUATAN TARIK DAN CACAT LAS

Yozep Imanuel, Sulistyono, Fauzan Baananto

Jurnal Teknik Mesin | May 31, 2026

Abstract

The Metal Inert Gas (MIG) welding process is influenced by welding speed and shielding gas flow rate, which play an important role in determining weld joint quality. This study aims to analyze the effect of variations in shielding gas flow rate and welding speed on the tensile strength and weld defects of Aluminum Alloy 6063. The shielding gas flow rates used were 12 l/min, 14 l/min, and 16 l/min, while the welding speeds were varied at 4 mm/s, 5 mm/s, and 6 mm/s. Tensile strength testing was conducted in accordance with ASTM E8/E8M standards. The results indicate that the combination of a welding speed of 4 mm/s and a shielding gas flow rate of 16 L/min produced the highest tensile strength of 125.97 MPa. An increase in welding speed reduced heat input, resulting in decreased penetration and weld joint quality. Furthermore, non-optimal shielding gas flow rates promoted weld defects such as porosity and oxidation, which contributed to a reduction in the tensile strength of the welded joints

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Authors

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Yozep Imanuel

first | State University of Malang

Sulistyono

middle | State University of Malang

Fauzan Baananto

last | State University of Malang | ORCID 0000-0003-3390-4447

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Welding Techniques and Residual Stresses Latest Material Selection and Properties research Latest Advanced Welding Techniques Analysis research

Citation

BibTeX

@article{Imanuel2026VARIASI,
  title = {VARIASI ALIRAN GAS PELINDUNG DAN KECEPATAN PENGELASAN MIG PADA PIPA ALUMINIUM 6063 TERHADAP KEKUATAN TARIK DAN CACAT LAS},
  author = {Yozep Imanuel and Sulistyono and Fauzan Baananto},
  journal = {Jurnal Teknik Mesin},
  year = {2026},
  doi = {10.33795/j-meeg.v5i1.9380},
  url = {https://doi.org/10.33795/j-meeg.v5i1.9380}
}

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