A review on the effects of shoulder diameter to pin diameter (D/d) ratio on friction stir welded aluminium alloys. (2021)

• Record Type: Journal Article
• Authors: Muthu Vaidyanathan, R.; Sivaraman, N.; Patel, Mahaboob; Woldegioris, Mebratu Markos; Atiso, Tsegaye Alemayehu
• Is Part Of: Materials today. Volume 45:Part 6(2021)
• Page Start: 4792
• Page End: 4798
• Publication Date: 2021
• Subjects: FSW Friction stir welding -- UFSW Underwater friction stir welding -- NFSW Normal friction stir welding -- FSWed Friction stir welded -- UTS Ultimate tensile strength -- D Shoulder diameter (mm) -- d Pin diameter (mm) -- ω Tool rotational speed (rpm) -- v Welding Speed (mm/min); Friction stir welding -- D/d ratio -- Cylindrical pin -- Aluminium alloy -- Mechanical property; Materials science -- Congresses -- Periodicals; 620.1
• DOI: 10.1016/j.matpr.2021.01.255
• Languages: English
• ISSNs: 2214-7853

Abstract

Abstract: Friction stir welding is a predominant procedure to bind numerous materials. An optimal parameter is vital to create a better and defect-free weld. The thermomechanical joining methods have a unique advantage, and it needs an appropriate key variable for better joining. Though many parameters control the process, the D/d ratio and rotational speed are the key factors. An aluminium alloy with a similar and dissimilar joint was considered. The association of the D/d ratio of a straight cylindrical pin with rotational speed and welding speed on an aluminium alloy butt joint was studied. In addition to various parameters, the D/d ratio immensely impacts mechanical strength and grain refinement. A shoulder diameter to pin diameter ratio of three significantly increases the tensile strength, joint efficiency, and elongation.