Author(s)

T. Tsuta & T. Iwamoto

Abstract

A mathematical model of micro morphology generation in solidification process has been developed using cellular automaton approach, and heterogeneous nucleations from the wall and the grain growth kinetics are simulated by using the Monte-Carlo simulation. In the next place, the change in the micro morphology from the dendritic to the equiaxial, has been analyzed in the same way, under the condition that the liquid metal in the vessel is excited from magnetic stirrer. The results are compared with those obtained by the experiments on vessel casting, twin roll casting and horizontal continuous casting, and the applicability of the method has been verified. Nomenclature symbol meaning units ∆G (T, r) free energetic dischage from liquid to solid J/mol σLC energetic ba

Keywords