Intercritical Annealing of 22MnB5 for Hot Forming Die Quenching
Why this work is in the frame
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Bibliographic record
Abstract
Austenitization models for ultrahigh strength steels like 22MnB5 are needed to: optimize existing furnace-based processes for hot forming die quenching (HFDQ); explore the potential of intercritical annealing to obtain softer, more ductile parts; and develop new HFDQ technologies such as direct-contact heating. This paper evaluates three such models using austenite phase fractions derived from Vickers hardness measurements made on Al-Si coated 22MnB5 coupons heated within lab-scale muffle furnace and then water-quenched. Overall, predicted trends are in good agreement with the experimental results at different soak temperatures, but experimental trends with increasing soak times are less obvious. The experimental results also highlight a deficiency in a recently-proposed physics based austenitization model at higher soak temperatures.
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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 | 0.001 |
| 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