Abstract:Macrosegregation usually occurs during the casting alloy solidification process, which directly affect the service performance of materials. In recent decades, researchers have studied the prediction and control of macro-segregation of alloy elements in the casting process, the purpose is to make the distribution of solute elements in the steel ingot as homogeneous as possible. Firstly, the distribution form, formation mechanism and influencing factors of macrosegregation in ingot are described. Then, the development of mathematical models of macrosegregation and the control measures of macrosegregation of ingot are summarized in detail. In addition, the new development direction is put forward for mathematical model development and control of macrosegregation in ingot.
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