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Joint Characteristics of Spot Friction Stir Welded A 5052 Alloy Sheet  

Yeon, Yun-Mo (Dept. of Automated System, Suwon Science College)
Lee, Won-Bae (Dept. of Advanced Materials Engineering, Sungkyunkwan University)
Lee, Chang-Yong (Dept. of Advanced Materials Engineering, Sungkyunkwan University)
Jung, Seung-Boo (Dept. of Advanced Materials Engineering, Sungkyunkwan University)
Song, Keun (Dept. of Advanced Materials Application, Suwon Science College)
Publication Information
Journal of Welding and Joining / v.24, no.1, 2006 , pp. 71-76 More about this Journal
Abstract
In this study, the microstructure and mechanical properties of spot friction stir welded A 5052 alloy were investigated. Especially, the effect of insertion depth of welding tool on microstructural changes and mechanical properties was investigated in order to obtain the optimum spot friction stir welding condition. The lap shear load of spot friction stir welded A 5052 alloy plates showed lower value at the shallowest insertion depth and increased with tool insertion depth. At 1.6mm, the maximum value of 3.35 kN was obtained, and then dropped to lower load when the insertion depth was deeper. Spot friction stir welded joints showed shear fracture mode at shallower insertion depths and fracture mode changed to plug fracture mode as the insertion depth was deeper.
Keywords
Spot friction stir welding; A 5052 alloy sheet; Lap joints; Solid state joining process; Automotive; Al alloy spot welding;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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