An Investigation of the Solubility of Scandium in Iron-Bearing Constituent Particles in Aluminium Alloys

Jostein Røyset; J.R. Leinum; H.G. Øverlie; Oddvin Reiso

doi:10.4028/www.scientific.net/MSF.519-521.531

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HomeMaterials Science ForumMaterials Science Forum Vols. 519-521An Investigation of the Solubility of Scandium in...

An Investigation of the Solubility of Scandium in Iron-Bearing Constituent Particles in Aluminium Alloys

Abstract:

Twelve different aluminium alloys with constant iron (Fe) and scandium (Sc) contents of 0.5 wt.% and 0.2 wt.%, respectively, were cast and subsequently homogenised. The distribution of Sc in the microstructure was examined by means of Energy Dispersive X-ray Spectroscopy (EDX) in Scanning Electron Microscope (SEM). Emphasis was put on measuring the solubility of Sc in the Fe-bearing phases of the investigated alloys. It was found that the amount of Sc tied up in Febearing phases is so low that it can be regarded as negligible, with the possible exception of α- AlFeMnSi (Al15(Fe,Mn)3Si2) and the π-phase (Al8FeMg3Si6). A quaternary AlFeSiSc phase with a composition close to Al10Fe3Si5Sc2 may have been discovered.

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Periodical:

Materials Science Forum (Volumes 519-521)

Pages:

531-536

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.519-521.531

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Online since:

July 2006

Authors:

Jostein Røyset, J.R. Leinum, H.G. Øverlie, Oddvin Reiso

Keywords:

AlFeSiSc Phase, EDX Analysis, Fe-Bearing Particles, Phase Composition, Sc Solubility

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References

[1] N.A. Belov, A.A. Aksenov and D.G. Eskin: Iron in Aluminum Alloys (Taylor & Francis, London, UK 2002).

Google Scholar

[2] A.L. Dons: Z. Metallkde. Vol. 75 (1984) p.170.

Google Scholar

[3] J. Røyset and N. Ryum: Int. Mater. Rev. Vol. 50 (2005) p.19.

Google Scholar

[4] L.F. Mondolfo: Aluminum Alloys: Structure and Properties (Butterworths, London, UK 1976).

Google Scholar

[5] G. Petzow and G. Effenberg: Ternary Alloys (VCH Verlagsgesellschaft mbH, Germany, 1990).

Google Scholar

[6] W. Khalifa, F.H. Samuel and J.E. Gruzleski: Metall. Mater. Trans. Vol. 34A (2003), p.807.

Google Scholar

[7] A.T. Tyvanchuk, T.I. Yanson, B. Ya. Kotur, O.S. Zarechnyuk and M.L. Kharakterova: Russ. Metall., (1988) No. 4 p.190.

Google Scholar

[8] L.S. Toropova, D.G. Eskin, M.L. Kharakterova and T.V. Dobatkina: Advanced Aluminum Alloys Containing Scandium (Gordon and Breach Science Publishers, The Netherlands 1998).

DOI: 10.4324/9781315097541

Google Scholar