NEW APPROACHES TO CALCULATION OF METALLIC MELT SOLIDIFICATION PROCESSIN ZONE OF CONTACT WITH MOLD WALL

Consistent physico-mathematical models of the kinetics of supercooling of a metallic melt in the zone of contact with mold wall and of the g rowth of crystallites along this wall perpendicular to the main heat f low are developed. Methods are proposed for determining the kinetic pa rameters of these models. The results can be of use in mathematical si mulation and control of the macrostructure of castings for enhancing t heir quality.