Modeling Study of Steel–Slag–Inclusion Reactions During the Refining of Si–Mn Killed Steel
Bibliographic record
Abstract
Complex deoxidation by Si and Mn is beneficial for certain steel long products since it leads to the formation of low‐temperature melting manganese silicates. However, the introduction of Al via steel–slag reactions can lead to unwanted inclusion formation, which can cause nozzle clogging down the process line. To simulate steel–slag–inclusion reactions during the refining of steel, a kinetic model based on the mass transfer of steel species has been developed for inclusions and integrated with a previously developed steel/slag coupled reaction model. Using the model, the rate‐determining step for inclusion transformation is clarified, and the effect of slag–metal reactions on inclusions is investigated. The model calculations are validated using experimental data reported in the literature. Subsequently, the influence of slag compositions on the chemistry of inclusions and the effect of mass transfer coefficient on deoxidation characteristics is examined through a parametric study. The results are helpful for understanding inclusion dynamics during ladle refining of Si–Mn killed steel.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".