Effect of rotational speed and dwell time on mechanical properties of dissimilar AA1050-AA3105 friction stir spot welded joints
No Thumbnail Available
Date
2014
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Walter De Gruyter Gmbh
Abstract
Friction stir spot welding is a newly developed joining technology which is expected to be used in the automotive industry for joining body parts made of aluminum sheets. The effect of the rotational speed and dwell time on the mechanical properties of dissimilar friction stir spot welded aluminum sheet alloys was investigated in this study. In the experimental studies, macro-structural characterization, micro-hardness tests and tensile shear tests were conducted. The experimental results showed that the tensile shear load and tensile deformation of the friction stir spot welded joints decreased roughly by 20 % and 25 %, respectively, when the rotational speed increased from 1000 rpm to 2000 rpm. On the other hand, when the dwell time increased from 3 s to 11 s, the tensile shear load increased roughly by 7 %, while the tensile deformation decreased roughly by 19 %, respectively.
Description
Keywords
Dissimilar aluminium alloys, Al, Friction stir spot welding, Strength, Materials testing, Microstructure, Microhardness, Welding parameters, Tensile shear load, Spot welding, Aluminum, Tensile shear test, Aluminum alloys, Tensile shear load, Aluminum sheet, Tensile deformation, Automotive industry, Structural characterization, Deformation, Spot-welded joints, Friction, Microhardness tests, Friction stir welding, Joining technology, Joining, Friction stir spot welding, Load testing, Welds, Materials testing, Welding, Mechanical properties, Tribology, Microhardness, Tensile testing, Stainless steel, Materials Science
Citation
Aydın, H. vd. (2014). "Effect of rotational speed and dwell time on mechanical properties of dissimilar AA1050-AA3105 friction stir spot welded joints". Materialpruefung/Materials Testing, 56(10), 818-825.