Numerical Simulations for Bobbin Tool Friction Stir Welding of Aluminum 6082-T6

• Autorzy: Hamilton C. , Dymek S. , Węglowska A. , Pietras A.

Identyfikatory

DOI

10.24425/123784

• Języki publikacji: EN

Abstrakty

EN

Aluminum 6082-T6 panels were joined by friction stir welding utilizing a bobbin tool. A thermal simulation of the process was developed based upon machine torque and the temperature dependent yield stress utilizing a slip factor and an assumed coefficie nt of friction. The torque-based approach was compared to another simulation established on the shear layer methodology (SLM), which does not require the slip factor or coefficient of friction as model inputs. The SLM simulation, however, only models hea t generation from the leading edges of the tool. Ultimately, the two approaches yielded matching temperature predictions as both methodologies predicted the same overall total heat generation from the tool. A modified shear layer approach is proposed that adopts the flexibility and convenience of the shear layer method, yet models heat generation from all tool/workpiece interfaces.

Słowa kluczowe

EN

friction stir welding; bobbin tool; aluminum; simulation; temperature

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 3
• Strony: 1115--1123
• Opis fizyczny: Bibliogr. 23 poz., rys., tab., wykr., wzory

Twórcy

autor

Hamilton C.

• Miami University, Department of MechanicalaAnd Manufacturing Engineering, College of Engineering And Computing, Oxford, Ohio, USA

autor

Dymek S.

• AGH University of Science and Technology, Faculty of Metal Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Węglowska A.

• Institute of Welding, Department of The Testing of Materials Weldability and Welded Construction, Bł. Czesława Str., 44-100 Gliwice, Poland

autor

Pietras A.

• Institute of Welding, Department of The Testing of Materials Weldability and Welded Construction, Bł. Czesława Str., 44-100 Gliwice, Poland

Bibliografia

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Uwagi

EN

1. The authors acknowledge the AGH University of Science and Technology for the support of this research within the project no. 11.11.110.295.

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).