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May 29, 2026steel research international

Effect of CaO‐Al 2 O 3 ‐Based Slag Entrainment on Composition and Inclusion Evolution of High‐Mn Cryogenic Steel in Mold

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Authors

YCYin CuiCCChanggui ChengYLY Li

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Overview

Thermal simulation experiments investigate the impact of slag entrainment on high-Mn cryogenic steel quality, suggesting critical inclusion mechanisms.

Key Points

  • This research aims to clarify how slag entrainment affects the composition and inclusion formation of high-Mn cryogenic steel.
  • Conducted thermal simulation experiments to analyze steel composition changes.
  • Examined inclusion formation and evolution mechanisms under varying residence times.
  • Monitored the impact of CaO-Al2O3-based slag on steel characteristics.
  • Slag entrainment reduces the amount of mold flux in the steel as residence time increases.
  • Mn and Si concentrations decrease, while Al levels initially rise and then fall; Cr remains stable within 0.07 wt%.
  • Brittle MnS-Al2O3 composite inclusions form, increasing the likelihood of crack initiation in the solidified shell.

Cite This Study

Cui et al. (2026) studied this question.

synapsesocial.com/papers/6a192d65fab5b468c4416367https://doi.org/10.1002/srin.70555
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