Microstructural Changes Determining Joint Strength in Friction Stir Welding of Aluminium Alloys


Article Preview

In the paper the results of a wide experimental activity on friction stir welding (FSW) of aluminum alloys are reported. In particular the butt joints of two different materials, namely AA1050-O and AA6082-T6 were considered. Grains dimensions and precipitates density were investigated both in the parent materials and after the welding processes. Furthermore post-welding heat treatments effects on the joint strength were studied.



Main Theme:

Edited by:

M. Geiger, J. Duflou, H.J.J. Kals, B. Shirvani and U.P. Singh




A. Barcellona et al., "Microstructural Changes Determining Joint Strength in Friction Stir Welding of Aluminium Alloys", Advanced Materials Research, Vols. 6-8, pp. 591-598, 2005

Online since:

May 2005




[1] H.J. Liu, H. Fujii, M. Maeda, K. Nogi: Tensile properties and fracture locations of friction-stirwelded joints of 2017-T351 aluminum alloy, J. of Mat. Proc. Tech., Vol. 142 (2003), p.692.

DOI: https://doi.org/10.1016/s0924-0136(03)00806-9

[2] I. Shigematsu, Y.J. Kwon, K. Suzuki, T. Imai, N. Saito: Joining of 5083 and 6061 aluminum alloys by friction stir welding, J. of Mat. s Science Letters, Vol. 22 (2003), p.343.

[3] G. Liu, L.E. Murr, C.S. Niou, J.C. McClure, F.R. Vega: Microstructural aspects of the frictionstir welding of 6061-T6 aluminum alloy, Scr. Mat., Vol. 37 (1997), p.355.

DOI: https://doi.org/10.1016/s1359-6462(97)00093-6

[4] M. Guerra, C. Schmidt, L.C. McClure, L.E. Murr, A.C. Nunes: Flow patterns during friction stir welding, Materials characterization, Vol. 49 (2003), p.95.

DOI: https://doi.org/10.1016/s1044-5803(02)00362-5

[5] J.Q. Su, T.W. Nelson, R. Mishra, M. Mahoney: Microstructural investigation of friction stir welded 7050-T654 aluminium, Acta Materialia, Vol. 51 (2003), p.713.

DOI: https://doi.org/10.1016/s1359-6454(02)00449-4

[6] K.V. Jata, S.L. Semiatin: Continuous dynamic recrystallization during friction stir welding of high strength aluminum alloys, Scripta Materialia, Vol. 43 (2000), p.743.

DOI: https://doi.org/10.1016/s1359-6462(00)00480-2

[7] R.S. Mishra, M.W. Mahoney S.X. McFadden, N.A. Mara, A.K. Mukherijee: High strain rate superplasticity in a friction stir processed 7075 Al alloy, Scripta Materialia, Vol. 42, p.163.

DOI: https://doi.org/10.1016/s1359-6462(99)00329-2

[8] P.S. Pao, S.J. Gill, C.R. Feng, K.K., Sankaran: Corrosion-fatigue crack growth in friction stir welded Al 7050, Scripta Materialia, Vol. 45 (2001), p.605.

DOI: https://doi.org/10.1016/s1359-6462(01)01070-3

[9] C.G. Rhodes, M.W. Mahoney, W.H. Bingel, R.A. Spurling, C.C. Bampton: Effects of Friction Stir Welding on Microstructure of 7075 Aluminum, Scripta Materialia, Vol. 36, No. 1 (1987), p.69.

DOI: https://doi.org/10.1016/s1359-6462(96)00344-2

[10] A. Barcellona, G. Buffa L. Fratini: Process parameters analysis in friction stir welding of AA6082-T6 sheets, keynote paper of the VII ESAFORM Conference, Trondhaim, (2004), p.371.

DOI: https://doi.org/10.1063/1.1766696

[11] ASM Speciality Handbook, Aluminum and Aluminum Alloys, ASM International, Edited by J.R. Davis, Davis & Associates, 1993, ISBN 0-87170-496-X.