Assessment of the Fatigue Behaviour of Friction Stir Welded Joints: Aluminium Alloy 6082-T6 |
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| Journal | Key Engineering Materials (Volumes 348 - 349) |
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| Volume | Advances in Fracture and Damage Mechanics VI |
| Edited by | J. Alfaiate, M.H. Aliabadi, M. Guagliano and L. Susmel |
| Pages | 209-212 |
| DOI | 10.4028/www.scientific.net/KEM.348-349.209 |
| Citation | Pedro Miguel Guimarães Pires Moreira et al., 2007, Key Engineering Materials, 348-349, 209 |
| Online since | September, 2007 |
| Authors | Pedro Miguel Guimarães Pires Moreira, A.M.P. de Jesus, A.S. Ribeiro, Paulo Manuel Salgado Tavares de Castro |
| Keywords | AA6082-T6, Fatigue Crack Growth, Fatigue Life, Friction Stir Welding (FSW), Microhardness Profile, Tensile Strength |
| Abstract | A study on the fatigue behaviour of friction stir butt welds of 3mm thick 6082-T6 aluminium alloy was carried out. Monotonic tensile and cyclic tests of welded joints and base material were performed to understand the influence of the welding process on the static and fatigue properties. Microhardness profiles were measured and fatigue crack growth curves were determined for cracks growing in different locations of the weldments. Friction stir material exhibited lower strength and ductility properties than the base material. However, an enhanced crack propagation resistance is observed. |
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