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All Journal Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Akma Febriansya Sanjaya
Politeknik Negeri Malang
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering

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Pengaruh Laser Power dan Wobble Size terhadap Kekuatan Tarik pada Pengelasan Laser Material Aluminium Alloy 1100 Akma Febriansya Sanjaya; Elka Faizal
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 5 (2026): Oktober: Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i5.1752

Abstract

The quality of aluminum laser-welded joints is influenced by process parameters, particularly laser power and wobble size. This study aims to investigate the effects of laser power, wobble size, and their interaction on the tensile strength of laser-welded AA1100 aluminum alloy joints using ER5356 filler wire. The experimental method involved three laser power levels (800, 850, and 900 W) and three wobble size levels (2, 2.5, and 3 mm). The tests included tensile testing with three replicates for each parameter combination, microstructural examination, and two-way analysis of variance (ANOVA). The results indicated that laser power had no statistically significant effect on tensile strength (p > 0.05), whereas wobble size had a statistically significant effect (p < 0.05). The interaction between the two parameters was not statistically significant. The highest tensile strength of 159.52 MPa was obtained at a laser power of 800 W and a wobble size of 2 mm, while the lowest tensile strength of 127.03 MPa was recorded at a laser power of 800 W and a wobble size of 3 mm. The microstructural examination supported these findings, revealing a more uniform weld metal morphology in the specimen with the highest tensile strength.
Co-Authors Elka Faizal