Abstract
Aluminium alloy sheets are being utilized in automotive parts such as hood, trunk, and tailgate. However, the spot welding of aluminium alloy has many problems, such as electrode sticking and expulsion, and therefore research on the resistance spot welding of aluminium alloy sheets is necessary. In this study, we evaluated the effects of electrode face thickness on the resistance spot weldability of aluminium alloy 6061. The two electrode face thickness conditions were compared, and the electrode face thickness was determined to be an important process variable that affected the spot weldability of aluminium alloy 6061. Key words: Resistance spot welding, Aluminium alloy, Electrode face thickness, Sticking, Expulsion, Radius type electrode
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