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Abstract
The aim of this article is to provide a numerical tool, which is able to predict macrosegregation profiles during the solidification of ternary alloys. The solute profiles during the transient directional solidification of an Al–6wt%Cu–1wt%Si alloy were calculated taking into account secondary phase transformations, which occur along the corresponding solidification path. The simulations were compared with experimental segregation profiles determined along the length of a directionally solidified casting through X-ray fluorescence spectrometry measurements. A very good agreement between predictions and experiments has been observed.
Acknowledgements
The authors acknowledge the financial support provided by FAPESP (The Scientific Research Foundation of the State of São Paulo), FAEPEX-UNICAMP, CAPES, and CNPq (The Brazilian Research Council).
