A mathematical model for the simulation of cooling and solidification of gray iron that includes the solution of the heat conduction equation and the calculation of heat development during crystallization is presented. The model has as input the chemical composition, the neucleation and cooling conditions of gray iron and calculates the primary solidification, nucle-ation and grain growth processes during eutectic solidification. The development of graphite lamellae inside the eutectic grains is also the model. The simulated cooling curves and microstruc-tural parameters are in good agreement with experimental results. A strong correlation between the tensile properties and the calculated microstructural parameters has been demonstrated, which allows for a prediction of the tensile properties from the solidification simulation.
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