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Solidification of Intermetallic Compounds

Published online by Cambridge University Press:  15 February 2011

H. Assadi and
A. L. Greer
H. Assadi
Affiliation:
University of Cambridge, Department of Materials Science & Metallurgy, Pembroke Street, Cambridge CB2 3QZ, U.K.
A. L. Greer
Affiliation:
University of Cambridge, Department of Materials Science & Metallurgy, Pembroke Street, Cambridge CB2 3QZ, U.K.
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Abstract

Kinetic modelling, incorporating variation in the degree of chemical order, is developed for the solidification of intermetallic compounds, and qualitative comparisons are made with experiment. It is found that a disordered phase can be obtained other than by the process of disorder trapping, and that partitioning can increase or invert with increasing solidification velocity. Solid-state ordering and its effects on final microstructure are also considered.

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