Microstructure – property relationships in thermomechanically processed microalloyed medium carbon steels
Why this work is in the frame
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Bibliographic record
Abstract
Hot forged plates of two microalloyed grades of 1541 steel have been produced by thermomechanical (TMP) forging schedules. The yield strength and Charpy impact toughness are both increased by TMP treatment, compared to a conventional forging schedule. The strength increase is due to reductions in the ferrite grain size and pearlite colony size. There is also significant precipitation strengthening in the Ti, V microalloyed steel (1541+ Ti, V). The lowering of the impact transition temperature and the increase in Charpy energy produced by the TMP treatments are attributed to the decreases in ferrite grain size and pearlite colony size. In addition, for Nb microalloyed steel, the elongated microstructure and intragranular ferrite produced by TMP forging make the effective pearlite colony size very small in the direction of crack propagation.
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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 | 0.001 |
| 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