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Mechanistic study of enhanced inclusion removal in molten steel via reaction-generated bubbles
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DOI:10.1016/j.jtice.2026.106880.png)
Abstract
En 中文
• CO2 reacts with dissolved carbon in molten steel (CO2+ [C] → 2CO), forming a reaction-generated bubble system that significantly enhances melt stirring and mass transfer. • The in situ generated CO bubbles enhance molten steel flow and mass transfer, thereby facilitating inclusion transport and removal; compared with Ar, the removal efficiency increases from 26.16% to 39.52%. • MnS inclusions undergo spheroidization under CO2 conditions, driven by interfacial energy minimization and controlled by diffusion.
Keywords:
CO2 bottom blowing
Molten steel refining
Bubble formation
Inclusion removal
Inclusion evolution mechanisms
Journal
IF:
6.3
Papers:
6.3K
Citations:
2.1W
Organization
No organization information available
