Abstract
A set of nonlinear equations describing the crystallization of a binary melt in the presence of a quasi-equilibrium mushy layer is analytically solved in the case of heat exchange with the environment. Solute concentration, temperature distributions, and a bulk fraction of the solid phase in a mushy region are found. In addition, the average interdendritic distance in the two-phase region, which characterizes the structural-phase transition and porosity of the material, was analytically determined. The mushy layer’s thickness was also found as a function of given the physical and operating parameters of the solidification process. The analytical solutions obtained are compared with experimental data.
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This work is supported by the Russian Science Foundation [project no. 21-19-00279].
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Alexandrova, I.V., Ivanov, A.A., Bulycheva, S.V. et al. Exact analytical solutions of a steady-state mushy layer model containing heat exchange with the environment. Eur. Phys. J. Spec. Top. 231, 1123–1128 (2022). https://doi.org/10.1140/epjs/s11734-022-00521-w
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DOI: https://doi.org/10.1140/epjs/s11734-022-00521-w