The effect of FSW parameters on residual stresses in aluminum alloy using finite element analysis.
Document Type : Original Article
Authors
1
Space Transportation Systems Engineering Research Group,, Space Transportation Research Institute, Iranian Space Research Center
2
Space Transportation Research Institute, Iranian Space Research Center, Tehran, Iran
Abstract
The purpose of this study is to investigate the parameters affecting friction stir welding (FSW ) of aluminum alloy, based on previous research, numerical method and finite element analysis. In this study, FSW welding was simulated by the sequential couple method in ABAQUS software, and then the residual stresses caused by welding were extracted. Also, friction stir welding parameters were investigated by finite element methods and other researches. The analytical parts were made of 6061 aluminum alloy. The heat resulting from FSW welding in this study is the result of the heat produced due to the friction of the tool shoulder with the surface of the part, the rotation of the pin inside the material and the flow of the material in the welding area. The parameters investigated in this research are tool rotation speed, welding speed, tool axial force, pin diameter, and tool material, and their effect on the quality of friction stir welding and residual stress has been investigated. The results showed that the values of axial force, rotation speed and welding speed have the greatest effect on the values of residual stresses and their increase causes a significant increase in residual stresses.
Keywords
Subjects
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Volume 6, Issue 1
September 2026Pages 36-49
- Receive Date 17 February 2025
- Revise Date 17 May 2025
- Accept Date 09 August 2025