The Radial Friction Welding (RFW) is a solid-state welding process in which two long elements of several metallic alloys can be joined, without the occurrence of common problems to the conventional welding processes that include fusion. During friction welding the temperature evolution is directly related with the deformation gradient, and these fields govern the joint properties. In this work, the finite element method was used to solve the full coupled termomechanical problem in order to determine the deformation and the stress fields and the variation of the temperature during RFW process. The simulation of the RFW process permitted to establish the influence of the welding parameters, like rotation and approximation speed, on the joint quality. Furthermore, the knowledge of the temperature gradient and cooling rates allowed the prediction of the resulting microestruture and determination of the level of residual stresses of the joint. To verify the analytical results the determination of the residual stresses was accomplished by the hole drilling method in several points along the perimeter of two welded workpieces.
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ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering
June 12–17, 2005
Halkidiki, Greece
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
0-7918-4197-9
PROCEEDINGS PAPER
Residual Stresses Evaluation on Radial Friction Welded Joints Available to Purchase
Rosa Irene Terra Pinto,
Rosa Irene Terra Pinto
Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
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Telmo Roberto Strohaecker
Telmo Roberto Strohaecker
Federal Unversity of Rio Grande do Sul, Porto Alegre, RS, Brazil
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Rosa Irene Terra Pinto
Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
Telmo Roberto Strohaecker
Federal Unversity of Rio Grande do Sul, Porto Alegre, RS, Brazil
Paper No:
OMAE2005-67080, pp. 43-48; 6 pages
Published Online:
November 11, 2008
Citation
Pinto, RIT, & Strohaecker, TR. "Residual Stresses Evaluation on Radial Friction Welded Joints." Proceedings of the ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 3. Halkidiki, Greece. June 12–17, 2005. pp. 43-48. ASME. https://doi.org/10.1115/OMAE2005-67080
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