Effect of shoulder geometry on residual stress and fatigue properties of AA6082 FSW joints

Journal of Mechanical Science and Technology

Volumn 23, Issue 1, 2009, Pages 26-35

  de Giorgi, M ^a   Scialpi, A ^b   Panella, F W ^a   de Filippis, L A C ^b  

^a UNIVERSITY OF SALENTO   (Italy)

^b POLITECNICO DI BARI   (Italy)

Author keywords

AA6082t6; Fatigue; Friction stir welding; Residual stresses; Shoulder geometry

Indexed keywords

AA6082T6; FATIGUE PROPERTIES; FSW JOINT; JOINT LINE; LONGITUDINAL TENSILE; MICROHARDNESS PROFILES; ROOM TEMPERATURE; SHALLOW CAVITIES; TOOL GEOMETRY; WELD STRENGTH;

FATIGUE OF MATERIALS; FATIGUE TESTING; FRICTION STIR WELDING; GAS WELDING; RESIDUAL STRESSES; STRENGTH OF MATERIALS; TENSILE TESTING;

GEOMETRY;

EID: 79961189721     PISSN: 1738494X     EISSN: None     Source Type: Journal    
DOI: 10.1007/s12206-008-1006-4     Document Type: Article

References (44)

1. C. D. Mariora, S. J. Andersen, J. Jansen and H. W. Zandberg, The influence of temperature and storage time at RT on nucleation of the β" phase in a 6082 Al-Mg-Si alloy, Acta Materialia 51 (2003) 789-796.
2. L. P. Troeger and E. A. Starke Jr, Microstructural and mechanical characterization of a superplastic 6xxx aluminum alloy, Material Science and Engineering A 277 (2000) 102-113.
3. I. Polmear, Light Alloys, Butterwoth-Heinemann, Fourth edition 2006.
4. M. Ericsson and R. Sandström, Influence of welding speed on the fatigue of friction stir welds, and comparison with MIG and TIG, International Journal of Fatigue 25 (2003) 1379-1387.
5. S. J. Maddox, Review of fatigue assessment procedures for welded aluminium structures, International Journal of Fatigue 25 (2003) 1359-1378.
6. J. Przydatek, A ship classification view on friction stir welding, in: Proc. of 1st International Friction Stir Welding Symp., CA, USA, 14-16 Jun., 1999
7. J. Mononen, M. Sirén and H. Hänninen, Cost comparison of FSW and MIG welded Aluminium panels, Proc. of the 3rd International Friction Stir Welding Symp., Kobe, Japan, 27-28 September 2001.
8. W. M. Thomas, E. D. Nicholas, J. C. Needham, M. G. Murch, P. Templesmith and C. J. Dawes, International Patent Application No. PCT/GB92/02203.
9. J.-Q. Su, T. W. Nelson, R. Mishra and M. Mahoney, Microstructural investigation of friction stir welded 7050-T651 aluminium, Acta Materialia 51 (2003) 713-729.
10. P. Cavaliere, E. Cerri and A. Squillace, Mechanical response of 2024-7075 aluminium alloys joined by Friction Stir Welding, Journal of Materials Science 40 (2005) 3669-3676.
11. W. M. Thomas, E. D. Nicholas and M. Gittos, Friction based technology for aluminium, Proc. Of the Aluminium 98 Conference, Essen, Germany, 23-24 September 1998.
12. M. B. Prime, T. Gnäupel-Herold, J. A. Baumann, R. J. Lederich, D. M. Bowden and R. J. Sebring, Residual stress measurement in a thick, dissimilar aluminum alloy friction stir weld, Acta Materialia 54 (2006) 4013-4021.
13. R. John, K. V. Jata and K. Sadananda, Residual stress effects on near-threshold fatigue crack growth in friction stir welds in aerospace alloys, International Journal of Fatigue, 25 (2003) 939-948.
14. L. Fratini and B. Zuccarello, An analysis of through-thickness residual stresses in aluminium FSW butt joints, International Journal of Machine Tools & Manufacture 46 (2006) 611-619.
15. W. M. Thomas, E. D. Nicholas and S. D. Smith, Friction stir welding - tool developments, Paper presented at the Aluminum Joining Symposium during the 2001 TMS Annual Meeting, 11-15 February 2001, New Orleans, Louisiana, USA.
16. M. Boz and A. Kurt, The influence of stirrer geometry on bonding and mechanical properties in friction stir welding process, Material and Design, 26 (2004) 343-347.
17. Barcellona, G. Buffa and L. Fratini, Pin shape effect on friction stir welding of AA 6082-T6 sheets, in: Proc. of 4th CIRP International Seminar on Intelligent Computation in Manufacturing Engineering (ICME 04), Italy, 30 Jun.-2 Jul., 2004, 499-502.
18. O. T. Midling and G. Rørvik, Effect of tool shoulder material on heat input during friction stir welding, in: Proc. of 1st International Friction Stir Welding Symp. Oaks, CA, USA, 14-16 Jun., 1999.
19. C. J. Dawes and W. M. Thomas, Development of improved tool designs for friction stir welding of aluminium, in: Proc. of 1st International Friction Stir Welding Symp. Oaks, CA, USA, 14-16 Jun., 1999.
20. W. M. Thomas, A. B. M. Braithwaite and R. John, Skew-StirTM Technology, in: Proc. of 3rd International Friction Stir Welding Symp. Kobe, Japan, 27-28 Sept., 2001.
21. H. Fujii, L. Cui, M. Maeda and K. Nogi, Effect of tool shape on mechanical properties and microstructure of friction stir welded aluminum alloys, Materials Science and Engineering A 419 (2006) 25-31.
22. P. A. Cologrove, H. R. Shercliff and P. L. Threadgill, Modelling and development of the TrivexTM friction stir welding tool, in: Proc. of 4th International Friction Stir Welding Symp. Utah, USA, 14-16 May, 2003.
23. P. A. Colegrove and H. R. Shercliff, 3-Dimensional CFD modelling of flow round a threaded friction stir welding tool profile, Journal of Material Processing Technology 169 (2005) 320-327.
24. G. Buffa, J. Hua, R. Shivpuri and L. Fratini, Design of the friction stir welding tool using the continuum based FEM model, Materials Science and Engineering A 419 (2006) 381-388.
25. R. J. Heideman, J. W. T. Scott, C. B. Smith, T. M. Thessin, B. N. Ranganathan, D. F. Bishofberger, Friction Stir Welding Tool, International Patent Application N° PCT/US99/10672, Publication Number WO 99/58288, November 1999.
26. S. Lomolino, R. Tovo and J. Dos Santos, On the fatigue behaviour and design curves of friction stir butt-welded Al alloys, International Journal of Fatigue, 27 (2005) 305-316.
27. M. N. James, D. G. Hattingh and G. R. Bradley, Weld tool travel speed effects on fatigue life of friction stir welds in 5083 aluminium, International Journal of Fatigue, 25 (2003) 1389-1398.
28. L. A. C. De Filippis, A. D. Ludovico, A. Scialpi and R. Surace, Effect of shoulder geometry in Friction Stir Welding thin sheet of AA 6082 T6, in: Proc. of VII AITEM International Congress.
29. st International Friction Stir Welding Symp. Oaks, CA, USA, 14-16 Jun., 1999.
30. M. J. Brooker, A. J. M. van Deudekom, S. W. Kallee and P. D. Sketchley, Applying friction stir welding to the Arianne 5 main motor thrust frame, in: Proc. of 2nd International Friction Stir Welding Symp. Sweden, 26-28 Jun., 2000
31. Kinchen, Z. Li and G. P. Adams, Mechanical properties of friction stir welds in Al-Li 2195-T8, in: Proc. of the 1st International Friction Stir Welding Symp. Oaks, CA, USA, 14-16 Jun., 1999.
32. G. Biallas, R. Braun, C. Dalle Donne, G. Stianek and W. A. Kaysser, Mechanical properties and corrosion behaviour of friction stir welded 2024-T3, in: Proc. of 1st International Friction Stir Welding Symp. Oaks, CA, USA, 14-16 Jun., 1999.
33. Kh. A. A. Hassan, A. F. Norman, D. A. Price and P.B. Prangnell, Stability of nugget zone grain structures in high strength Al-alloy friction stir welds during solution treatment, Acta Materialia 51 (2003) 1923-1936.
34. D. C. Hofmann and K. S. Vecchio, Submerged friction stir processing (SFSP): An improved method for creating ultra-fine-grained bulk materials, Materials Science and Engineering A 402 (2005) 234-241.
35. S. Benavides, Y. Li, L. E. Murr, D. Brown and J. C. McClure, Low-temperature friction stir welding of 2024 aluminum, Scripta Materialia 41(1999) 809-815.
36. Genevois, A. Deschamps and A. Denquin, B. Doisneau-Cottignies, Quantitative investigation of precipitation and mechanical behaviour for AA2024 friction stir welds, Acta Materialia 53 (2005) 2447-2458.
37. L. E. Svensson and L. Karlsson, Microstructure, hardness and fracture in Friction Stir Welded AA 6082, in: Proc. of 1st International Friction Stir Welding Symp. Oaks, CA, USA, 14-16 Jun., 1999
38. L. E. Svensson, L. Karlsson, H. Larsson, B. Karlsson, M. Fazzini and J. Karlsson, Microstructure and mechanical properties of friction stir welded aluminium alloys with special reference to AA 5083 and AA 6082, Science and Technology of Welding and Joining 2000 vol. 5 No. 5.
39. Y. S. Sato, M. Urata, H. Kokawa and K. Ikeda, Hall/Petch relationship in friction stir welds of equal channel angular-pressed aluminium alloys, Materials Science and Engineering A 354 (2003) 298-305.
40. A. J. Leonard and S. A. Lockyer, Flaws in friction stir welds, in: Proc. of 4th International Friction Stir Welding Symp. Utah, USA, 14-16 May, 2003.
41. U. A. Mercado, T. Ghidini, C. Dalle Donne and R. Braun, Fatigue and corrosion properties of friction stir welded dissimilar aluminium alloys, Proc. Of 5th International Friction Stir Welding Symp. Metz, France.
42. A. Scialpi, M. De Giorgi, L.A.C. De Filippis, R. Nobile and F. W. Panella, Mechanical analysis of ultra-thin friction stir welding joined sheets with dissimilar and similar materials, Materials & Design, 29 (2008) 928-936.
43. P. Cavaliere, R. Nobile and F. W. Panella, A. Squillace Mechanical and microstructural behaviour of 2024-7075 aluminium alloy sheets joined by friction stir welding International Journal of Machine tools and Manufacture, 46 (2006) 588-594.
44. P. Cavaliere, R. Nobile, F. W. Panella Dissimilar Friction Stir Welded sheets of 2024 and 7075 aluminium alloys: Tensile Strength and Fatigue Resistance ICEFA, International Conference on Engineering Failure analysis, Portugal, July 2004.