Volume 5, Issue 1 ((Journal OF Welding Science and Technology 2019)
JWSTI 2019, 5(1): 125-136 |
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Narimani R, Eliasi M, Hosseinzadeh M, Aghajani Derazkola H. Effect of Tool Pin Threat on the Material Flow and Mechanical Properties Friction Stir Welding of 6061 Aluminum Alloy to Copper. JWSTI 2019; 5 (1) :125-136
URL: http://jwsti.iut.ac.ir/article-1-262-en.html
URL: http://jwsti.iut.ac.ir/article-1-262-en.html
Abstract: (6633 Views)
Dissimilar joint with good quality and mechanical properties is one of the major problems the industries. One of the most commonly used methods to solve this problem is friction stir welding process. In this paper two different tool pin with simple cylindrical and screwed profile were used to finding optimization of friction stir welding parameters to reach best mixing flow, composite structure and maximum tensile strength in dissimilar joint between AA6065 aluminum alloy and pure copper. In this research 1130 rpm tool rotation, 24, 40 and 65 mm/min travelling speed, 0.3 mm plunge depth and 3o tool tilt angle were carried out. The results shows that internal material flow that produced with screw pin was better than simple cylindrical in constant process parameters. According to the results, at lower tool travelling speed the strength of joint increases. The tensile test results revealed the maximum strength of joint of screw pin was 345MPa with 2.6mm elongation and simple cylindrical pin was 272MPa with 2.2mm elongation which welded with 1130 rpm and 24 mm/min travelling speed.
Keywords: Dissimilar joint, Friction stir welding, Tool pin profile, AA6065 aluminum alloy, pure copper
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