Investigation of the kinetics of cobalt decarburization in a direct-current arc furnace
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Bibliographic record
Abstract
Under the industrial operating conditions of a direct-current arc furnace in a temperature range of 1530–1650°C, the kinetics of cobalt decarburization by CoO additives is investigated. It is shown that, when the carbon concentration in the melt is lowered to 0.3–0.5%, the process rate is limited by the diffusion of carbon into the bulk of the liquid metal with activation energy of 58.74 kJ/mol. In the initial period of the process, the controlling stages are the saturation of the surface layer with oxygen and dissolution of CoO. To decrease the diffusion obstacles and shorten the duration of the final treatment of fire cobalt, it is recommended that convective flows in a bath be developed due to the increase in the current load.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it