OPTIMIZING ROTATIONAL AND TRAVEL SPEEDS IN FRICTION STIR WELDING OF AA7050-T7451 AND AA5083-H116: AN ENHANCED ANALYTICAL MODEL

Doos Q.M. Abdulkadhum H.H. Mohammed M.N. Al-Zubaidi S. Abdullah O.I. Newkirk J.W.
2025 Scibulcom Ltd.

Journal of the Balkan Tribological Association
2025 #31 Issue 5 817 - 833 pp.

The mathematical modeling of friction stir welding is beneficial because of the deep insights that the model provides into the effect of process parameters on the trend of response outcomes. Therefore, this study aims to provide an analytical solution for the friction stir welding (FSW) of AA7075-T7151, AA5083-H116, and AA7075-T7151-AA5083-H116 dissimilar joints. The developed model is neces-sary to optimize tool rotational speed (TRS) and welding speeds (WS). The optimum welding parameters have been estimated based on a developed analytical model, which has been used to obtain a feasible window of optimum tool rotational speeds and welding speeds. Among these obtained parameters, the chosen tool rotational speeds are 279, 309, 334,351, and 376 rpm, and welding speeds are 90, 93, 97, 99, and 102 mm/min, respectively.

analytical model , friction stir welding , rotational speed , travel speed

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Mechanical Engineering Department, College of Engineering, University of Baghdad, Iraq
Mechanical Engineering Department, College of Engineering, Gulf University, Sanad, 26489, Bahrain
Department of Automated Manufacturing Eng., Al-Khwarizmi College of Eng, University of Baghdad, Baghdad, Iraq
College of Engineering, AL-Naji University, Baghdad, Iraq
Department of Energy Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq
Department of Mechanics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Department of Materials Science and Engineering, Missouri University of Science and Technology, Rolla, 65409, MO, United States

Mechanical Engineering Department
Mechanical Engineering Department
Department of Automated Manufacturing Eng.
College of Engineering
Department of Energy Engineering
Department of Mechanics
Department of Materials Science and Engineering

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