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EFFECT OF TWIN-PIN PROFILE TOOL ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF FRICTION STIR WELDED DISSIMILAR AA2024 AND AA6061 ALUMINIUM ALLOYS

Journal: International Journal of Mechanical Engineering and Technology(IJMET) (Vol.9, No. 3)

Publication Date:

Authors : ; ;

Page : 946-953

Keywords : Twin-pin; aluminium alloys; FSW tool geometry; process parameters of FSW.;

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Abstract

Dissimilar AA2024 and AA6061 alloy were friction stir welded by using a "twinpin" profile tool. The present study focuses on the effect of a twin-pin profile tool over friction stir welding (FSW) of dissimilar AA2024 and AA6061 alloys. Whereas (FSW) process parameters such as welding speed and tool rotation speed were investigated with twin-pin profile tool; the results show that the tool with twin-pin profile exhibits better mechanical properties of welded-specimens. Moreover, tensile tests were also performed to determine the tensile strength and the twin-pin profile tool, which shows good tensile properties (162MPa-177MPa). In order to analyze the microstructure of the welded-specimens optical microscopy is used

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Last modified: 2018-12-13 20:52:34