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Joint properties of tilted angles of spin for 6061 aluminum alloys in friction stir welded experiments

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3 Author(s)
Ming-Der Jean ; Inst. of Mechatron. Sci. & Technol., Yung-Ta Inst. of Technol. & Commerce, Ping-Tung, Taiwan ; Wei-Jen Chen ; Jeng-Der Lin

The applicability of friction stir welding to 6061 aluminum alloy with a cylinder-screw-shaped S45C steel spin has been investigated. Three different tilted angles of spin were designed in the friction stir welding experiments. Experimental results have shown that surface defects at spin tilted angle were not observed at the weld zone such as face, toe and root of the weld, and a concentric onion ring pattern with increasing tilted angle of spin appears to be faintly visible. The tensile strength of the butt joints of tilted angles of spin are found to be higher that that of the normal. Also, butt joints through tilted angles of spin are higher than that of substrate matrix, while the tensile strength of the normal was less that that of the substrate matrix. The proposed procedure was applied at butt joints of friction stir welding, and the implementation results demonstrated its feasibility and effectiveness to improve tensile tested experiments for developing robust friction stir welding.

Published in:

Consumer Electronics, Communications and Networks (CECNet), 2012 2nd International Conference on

Date of Conference:

21-23 April 2012