Convection and Segregation in Large Steel Castings

Two common defects in steel foundries are shrinkage and macro-segregation. Depending on the alloy, the effects of macro segregation may be critical to mechanical properties and composition requirements. Both macro segregation and shrinkage indications can be affected by convective currents in large steel castings. These currents can be accurately simulated to understand the impact metal flows during solidification have on casting quality. In this study, convection and its effects on shrinkage indications and macro-segregation in large steel castings will be investigated.

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