Abstract

A novel research route combining numerical simulation and physical simulation was used to study the solidification behavior of high Mn steel continuous casting billet under different superheats in this work. The results indicated that higher super heat degree will lead to lower equiaxed crystals content and severer element segregation. Moreover, the Mn element segregation was lighter than that of the C element, and it was caused by the higher value of solute partition coefficient of Mn. Finally, the superheat degree suitable for continuous casting of high Mn steel was modified to be 10 ℃.

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