Microstructure evolution model for hot strip rolling of Nb–Mo microalloyed complex phase steel
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Bibliographic record
Abstract
A microstructure model for hot strip rolling of an Nb–Mo microalloyed complex phase steel has been proposed. The constitutive behaviour of austenite is described by the Kocks–Mecking model. The static softening kinetics is simulated by a combined recovery recrystallisation model using the law of mixtures. Ferrite transformation start is modelled with an approach that considers the early growth of corner nucleated ferrite. Bainite start is related to a critical driving pressure. Both ferrite and bainite reactions are described using the Johnson–Mehl–Avrami–Kolmogorov (JMAK) approach in combination with the additivity rule. The martensite fraction is empirically related to the carbon enrichment in austenite and is, thus, a function of the ferrite fraction formed in the final microstructure. Precipitation strengthening during coiling is simulated with a modified Shercliff–Ashby model. The microstructure models for these metallurgical phenomena have been validated with experimental studies of laboratory simulated hot strip rolling conditions and run-out table cooling strategies.
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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