首页|Modeling Al_2O_3 inclusion separation across steel-slag interfaces
Modeling Al_2O_3 inclusion separation across steel-slag interfaces
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NSTL
This paper presents calculations on the separation times for solid spherical, octahedral and plate-like micro-inclusions across interfaces between molten low carbon steel and ladle, tundish, and mold slags. The effect of inclusion shape on the interfacial capillary force that arises due to the dynamic inter-facial energy change during separation has been investigated and it is shown that this has a significant effect on whether the inclusion separates rapidly or settles at the interface. In the case of settled particles, the inclusion dissolution time was computed based on experimental data. For the slags considered, the most significant physical property was found to be the slag viscosity that resulted in fast separation and dissolution times for the mold and ladle slag when compared to the tundish slag.
NSTL
