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Journal of KWJS 2006;24(1):50-55.
Published online April 3, 2006.
[Research Papers] Evaluation of Friction Spot Joining Weldability of Al Alloys for Automotive
Hyeon-Jin Cho, Heung-Ju Kim, Chang-Keun Cheon, Woong-Seong Chang, Kook-Soo Bang
Abstract
In an attempt to optimize friction spot joining process of Al alloys for automobiles, effects of joining parameters such as tool rotating speed, plunging depth, and joining time on the joints properties were investigated. A wide range of joining conditions could be applied to join Al alloys for automobile without defects in the weld zone except for certain welding conditions with a lower heat input. For sound joints without defects, tensile shear strength of joints was higher than acceptable criteria of tensile shear strength of resistance spot welded joints for aluminum.


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