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The Influence of Tool Shape and Process Parameters on the Mechanical Properties of AW-3004 Aluminium Alloy Friction Stir Welded Joints
Abstract
The purpose of the following study was to compare the effect of the shape of a tool onthe joint and to obtain the values of Friction Stir Welding (FSW) parameters that provide the bestpossible joint quality. The material used was an aluminium alloy, EN AW-3004 (AlMn1Mg1). To theauthors’ best knowledge, no investigations of this alloy during FSW have been presented earlier. Fivebutt joints were made with a self-developed, cylindrical, and tapered threaded tool with a rotationalspeed of 475 rpm. In order to compare the welding parameters, two more joints with a rotationalspeed of 475 rpm and seven joints with a welding speed of 300 mm/min with the use of a cylindricalthreaded pin were performed. This involved a visual inspection as well as a tensile strength test ofthe welded joints. It was observed that the value of the material outflow for the joints made withthe cylindrical threaded pin was higher than it was for the joints made with the tapered threadedpin. However, welding defects in the form of voids appeared in the joints made with the taperedthreaded tool. The use of the cylindrical tool resulted in higher values for about 37% of mechanicalproperties compared with the highest result for the tapered threaded joint. As far as the parameterswere concerned, it was concluded that most of the specimens were properly joined for a rotationalspeed of 475 rpm. In the joints made with a welding speed of 300 mm/min, the material was notstirred properly. The best joint quality was given for a rotational speed of 475 rpm as well as a varietyof welding speed values between 150 and 475 mm/min.
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Materials
no. 14,
ISSN: 1996-1944 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Janeczek A., Tomków J., Fydrych D.: The Influence of Tool Shape and Process Parameters on the Mechanical Properties of AW-3004 Aluminium Alloy Friction Stir Welded Joints// Materials -,iss. 14 (2021), s.3244-3244
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma14123244
- Sources of funding:
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- Statutory activity/subsidy
- Verified by:
- Gdańsk University of Technology
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