Abstract
A thermal microstructural analysis of the hypoeutectic grey cast iron solidification process is presented in this work. To this end, three different sand casting tests have been experimentally carried out in order to obtain temperature histories and final values for the eutectic grain density and diameter. Moreover, the responses of the alloy during the liquid–solid phase change process occurring in these tests are simulated through a coupled model that encompasses thermal balance and equiaxed microstructural evolution of both the primary austenite and eutectic (grey and white) transformations. Finally, the results provided by the simulation are compared and validated with the available experimental measurements.
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