Numerical study on the characteristics of solute distribution and the formation of centerline segregation in continuous casting (CC) slab

Center Segregation Evolution in Slab Continuous Casting with Mechanical Reduction: A 3D Simulation

“…So, the growth of solid shell near slab narrow surface is suppressed with the impact of liquid flow from SEN. In Chen's [ 19 ] and Seyedein's [ 20 ] works, they also found that the shell thickness is thinner in the edge part. With the solidification proceeding, the slab surface temperature gradually decreases, as shown in Figure 5e.…”

“…Due to the impingement of liquid stream from SEN, the solidification behavior in the edge part is delayed, as shown in Figure 6a. In Chen's work, [19] it is also found that the solidification end in the edge part is postponed. The uneven solidification behavior in the slab clearly affects the shell bulging behavior, as shown in Figure 6b.…”

Enrichment characteristic of carbon atoms in solid-liquid zone of high carbon steel under different directional solidification rates

“…Furthermore, the average carbon content at the solid-liquid interface of Fe-0.61%C steel with a solidification rate of 40 µm•s -1 is significantly higher than those with other solidification rates, which indicates that a lower solidification rate promotes the enrichment of carbon atoms in the solid-liquid zone. There are two main causes to explain this result [15,[26][27][28] . On the one hand, when the solidification rate is low, large dendrite spacing and a slow-moving dendritic interface create less resistance and more time for the migration of interdendritic carbon atoms to the liquid zone [Fig.…”

Numerical Investigation for the Influence of Turbulent Heat Transfer of Mushy Zone on Shell Growth in the Slab Mold

“…Recently, the flow, heat transfer and macrosegregation in the mushy zone during solidification have been studied using numerical simulation. 4,[18][19][20][21][22][23][24][25] However, the influence of turbulent heat diffusion in the mushy zone on the formation of the impinging zone has been rarely reported.…”