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CSME 2026/02
Volume 47 No.1
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93-102
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Optimizations of Friction Stir Welding Parameters of AA6061-T6 and AA7075-T6 Aluminum Alloys
İbrahim Ülke a, Mustafa Yurdakul b and Yusuf Tansel İç c
aMSc, Department of Mechanical Engineering, Gazi University, Ankara, 06570, Turkiye.
bProf. Dr., Department of Mechanical Engineering, Gazi University, Ankara, 06570, Turkiye.
cProf. Dr., Department of Industrial Engineering, Baskent University, Ankara, 06790, Turkiye
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Abstract:
In our study, the effects of test parameters on the weld quality in friction stir butt welding of AA7075-T6 and AA6061-T6 aluminum alloy sheets, each with a thickness of 2 mm and dimensions of 125 mm x 100 mm, are examined. Three different control variables, each with three levels, tool inclination angle 1°, 0.5 °, and 0°, tool rotation speed 1000 rpm, 710 rpm, and 500 rpm, tool feed rate 40 mm/min, 28 mm/min, and 20 mm/min were applied. The experiments are carried out to weld AA6061-AA7075, AA7075-AA7075, and AA6061-AA6061 pairs, consisting of two different aluminum material plates using the Box-Behnken experimental design. Each experiment is performed three times (three replications). The output analysis of the experiments is provided in this paper.
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Keywords: aluminum alloy, response surface methodology, friction stir welding, optimization, factorial design.
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©
2026
CSME , ISSN 0257-9731
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