Optimisation of the Strength of Aluminium Foam Sandwich (AFS) Panels by Different Heat Treatments

Abstract:

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Aluminium foam sandwich panels (AFS) made of a low-density aluminium alloy AlSi6Cu6 foam core and two dense 6082 alloy face sheets were fabricated, after which the panels were subjected to two different heat treatments. First, the AFS panels were aged to increase their strength without further solution heat treatment and fast quenching, a process which resembles a T5 treatment. Second, to define a reference point the face sheets of AFS samples were cut off the foam and subjected to a full T6 treatment. Hardness profiles were measured across the thickness of the face sheets after the two different treatments and the microstructure was investigated. The main conclusion is that mechanical performance of AFS panels can be considerably increased by heat treatment without full solution heat treatment (T5), but without reaching the level of a full T6 treatment. The potential use of an easy to apply T5 treatment is an important cost reducing factor.

Info:

Periodical:

Materials Science Forum (Volumes 519-521)

Edited by:

W.J. Poole, M.A. Wells and D.J. Lloyd

Pages:

1221-1226

DOI:

10.4028/www.scientific.net/MSF.519-521.1221

Citation:

S.G. Shabestari et al., "Optimisation of the Strength of Aluminium Foam Sandwich (AFS) Panels by Different Heat Treatments", Materials Science Forum, Vols. 519-521, pp. 1221-1226, 2006

Online since:

July 2006

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$35.00

[1] H. W: Seeliger, in Cellular Metals and Metal Foaming Technology, edited by J. Banhart, M.F. Ashby, N. Fleck (2001), p.5.

[2] G.A. Edwards, K. Stiller, G.L. Dunlop and M. Couper, Acta Mater. 46 (1998), p.3893.

[3] M. Murayama, K. Hono, M. Saga and M. Kikuchi, Mater. Sci. Eng. A250 (1998), p.12.

[4] L. Zhen, W.D. Fei, S.B. Kang and H. W Kim, J. Mater. Sci. 32 (1997), p.1895.

[5] C.D. Marioara, S.J. Andersen, J. Jansen and H.W. Zandbergen, Acta Mater. 49 (2001), p.321.

[6] N. Wanderka, R. Schiffmann, J. Banhart, Surf. Interface Anal. (submitted).

[7] J.P. Lynch, L.M. Brown and M.H. Jacobs, Acta Metall. 301 (1982), p.389.

[8] M. Murayama, and K. Hono, Acta Mater. 47 (1999), p.1537.

[9] R. Schiffmann, J. Haug, J. Banhart, Proceedings of the 9th Int. Conf. on Al alloys (2004), Ed.: J.F. Nie, A.J. Morton and B.C. Muddle, p.604.

[10] D. Lehmhus and J. Banhart, Mater. Sci. Eng. 349 (2003), p.98.

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