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http://dx.doi.org/10.5916/jkosme.2007.31.4.394

Weldability and properties of lap joints by pin FSW with 1050 Al sheet  

Jang, Seok-Ki (목포해양대학교 기관시스템공학부)
Park, Jong-Seek (목포해양대학교 대학원 응용역학.재료공학)
Han, Min-Su (목포해양대학교 대학원 응용역학.재료공학)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.31, no.4, 2007 , pp. 394-400 More about this Journal
Abstract
The properties and weldability of lap joints by PFSW with 1050 Al sheet was investigated according to tool shape. dimension and welding condition. Tensile shear test was carried out for lap jointed specimen, and the hardness in the joint regions was examined. Moreover interfacial joining length, metallograph and failure location of the lap-jointed cross section were discussed. Two tool types were a simple cylindrical type and a notched cylindrical type. Under joining conditions such as plunging depth of 2.2mm. rotating speed of 1600rpm and dwelling time of 3s, the tensile shear strength of lap-jointed specimen by the notched type tool was superior to that by simple cylindrical type tool. The maximum tensile shear load of lap jointed specimen was 5807N. Optimal dimensions of the notched type tool were as follows : diameters of the shoulder and pin were $18{\phi}mm$ and $10{\phi}mm$, and pin length was 2.2mm.
Keywords
PFSW(Pin Friction Stir Welding); Plunging depth; Rotating speed; Dwelling time; Metallograph;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
연도 인용수 순위
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