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http://dx.doi.org/10.5781/JWJ.2016.34.3.17

Effect of Tool Plunge Depth on Weldability of Dissimilar Al5083-O/DP590 Friction Spot Joint  

Jeong, Su-Ok (Graduate School of Welding and Joining Science Engineering, Chosun University)
Bang, Han-Sur (Dept. of Welding and Joining Science Engineering, Chosun University)
Bang, Hee-Seon (Dept. of Welding and Joining Science Engineering, Chosun University)
Publication Information
Journal of Welding and Joining / v.34, no.3, 2016 , pp. 17-22 More about this Journal
Abstract
In terms of mechanical and metallurgical characteristics, the effect of tool plunge depths(0.2, 0.5, 0.7, 1.0, 1.5mm) on weldability in dissimilar Al5083-O/DP590 friction spot joint has been clarified. From the results, it is found that the stirred nugget was stably formed at a plunge depth of more than 0.7mm, which is caused by improved stirring action against each other material. With increasing a plunge depth, the thickness of intermetallic compound(IMC) layer in Al5083-O/DP590 joint has a tendency to increase. The tensile shear strength reaches to the maximum failure load of 6.5kN at a plunge depth of 0.7mm due to relatively small decrease in the thickness of Al5083-O sheet and relatively minute thickness of IMC layer, compared with those of other plunge depth conditions.
Keywords
Friction spot joining(FSJ); Dissimilar materials; Plunge depth; Intermetallic compound (IMC);
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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