CALCULATION OF DENDRITIC LIQUATION (MICROSEGREGATION) IN A SOLIDIFYING STEEL INGOT WITH ALLOWANCE FOR IONIC MIGRATION
Yu. A. Samoilovich,a V. I. Timoshpol'skii,b and S. M. Kabishovb UDC 621.746 Based on the mathematical model, the analytical solution of the problem of formation of dendritic liquation for different configurations of a dendritic cell has been obtained; the use of this solution makes it possible to optimize melting processes from the viewpoint of the chemical inhomogeneity of ingots and billets. Keywords: crystallization of steel, dendritic liquation, diffusion, mathematical modeling, electric field, ionic migration. a"Platan" Science and Production Enterprise, Ekaterinburg, Russia; bBelarusian National Technical University, 65 Nezavisimost' Ave., Minsk, 220013, Belarus. Translated from Inzhenerno- Fizicheskii Zhurnal, Vol. 82, No. 1, pp. 98-105, January-February, 2009. Original article submitted December 7, 2007.