Investigation of mechanical and metallographic properties of dissimilar aluminum alloy plates joined by friction stir welding method
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S. Ocalir
Seref Ocalir works as an assistant professor at Tarsus University, Mersin, Turkey. He obtained his BSc and MSc degree from Mersin University and PhD degree from Tarsus University, Turkey, in 2006, 2009 and 2019 respectively. His research interests include friction stir welding, machinability of materials, design and corrosion.
and
A. Ilhan
Asim Ilhan works as a mechanical engineer in a private company which is the world's leading manufacturers of polyester, fiber, filament yarn, polyesterbased polymers, special polymers and intermediate products. He obtained his BSc degree from Mersin University and MSc degree from Tarsus University. His research interests include friction stir welding, corrosion and artificial aging of metals.
Abstract
In this study, AA 5083 and AA 6082 aluminum alloy plates were joined by friction stir welding method at different rotational speeds and traverses. Mechanical tests and metallographic examinations were performed on the joints. In tensile test, welding performance was found to be in the range of 66.23 %–77.27 % compared to the tensile strength of the AA 5083 base alloy, and in the range of 62.22 %–72.59 % compared to the tensile strength of the AA 6082 base alloy.
Result of the bending test, splitting was observed at the heat affected zone boundary after surface bending in some parameters. The light microscope examinations, onion ring-shaped shear bands were clearly seen in the center of the welded joints. The hardness values were low on the AA 5083 side, while they tended to increase towards the AA 6082 side.
Kurzfassung
In dieser Arbeit wurden Bleche aus den Aluminiumlegierungen AA 5083 und AA 6082 mit dem Rührreibschweißverfahren bei unterschiedlichen Drehzahlen und Verfahrgeschwindigkeiten miteinander verbunden. Anschließend wurden die Verbindungen mechanischen Tests und metallografischen Untersuchungen unterzogen. Die Tragfähigkeit der Schweißverbindung lag im Zugversuch bei 66,23–77,27 % der Zugfestigkeit der Basislegierung AA 5083 bzw. bei 62,22–72,59 % der Zugfestigkeit der Basislegierung AA 6082.
Das Ergebnis des Biegeversuchs zeigte in einigen Fällen eine Aufspaltung an der Grenze der Wärmeeinflusszone nach Oberflächenbiegung. Lichtmikroskopische Untersuchungen zeigten zwiebelringförmige Scherbänder in der Mitte der Schweißnähte. Die Härtewerte waren auf der Seite der AA 5083 niedriger und nahmen zur Seite der AA 6082 hin tendenziell zu.
About the authors
Seref Ocalir works as an assistant professor at Tarsus University, Mersin, Turkey. He obtained his BSc and MSc degree from Mersin University and PhD degree from Tarsus University, Turkey, in 2006, 2009 and 2019 respectively. His research interests include friction stir welding, machinability of materials, design and corrosion.
Asim Ilhan works as a mechanical engineer in a private company which is the world's leading manufacturers of polyester, fiber, filament yarn, polyesterbased polymers, special polymers and intermediate products. He obtained his BSc degree from Mersin University and MSc degree from Tarsus University. His research interests include friction stir welding, corrosion and artificial aging of metals.
5 Acknowledgments
This study was supported by Tarsus University Scientific Research Projects Coordination Unit. Project Number: OSB.23.004.
The authors are grateful for grant and financial support.
5 Danksagung
Diese Studie wurde von der Koordinierungsstelle für wissenschaftliche Forschungsprojekte der Universität Tarsus unterstützt. Projektnummer: OSB.23.004
Die Autoren bedanken sich für die Förderung und finanzielle Unterstützung.
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Articles in the same Issue
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- Editorial
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- Investigation of mechanical and metallographic properties of dissimilar aluminum alloy plates joined by friction stir welding method
- Effect of high-temperature titanium alloy ring forging microstructure on ultrasonic testing
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- Failure Analysis
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- Picture of the Month
- Picture of the Month
- News
- News
- Meeting Diary
- Meeting Diary
Articles in the same Issue
- Inhalt
- Editorial
- Editorial
- Investigation of mechanical and metallographic properties of dissimilar aluminum alloy plates joined by friction stir welding method
- Effect of high-temperature titanium alloy ring forging microstructure on ultrasonic testing
- Effect of cold metal transfer (CMT) on the microstructure of as welded 2205 duplex stainless steel
- Failure Analysis
- Metallurgical analysis of creep failure in M16 fastening bolts made of N80A
- Picture of the Month
- Picture of the Month
- News
- News
- Meeting Diary
- Meeting Diary
