On the influence of aluminium content on the stability of retained austenite in multiphase TRIP-assisted steels
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Bibliographic record
Abstract
TRIP-assisted multiphase steels show enhanced mechanical properties thanks to the straininduced transformation of retained austenite to martensite (TRIP effect). Stabilization of austenite is made possible by the combination of appropriate chemical composition and heat-treatment. It has been shown recently that aluminium could be substituted to silicon, whose effect has been mainly studied in the literature so far, for this austenite retention. In this work, the influence of aluminium content and heat-treating conditions on the retention of carbon-enriched austenite is investigated in two 0.12 wt. %C -1.5 wt. % Mn steels with 0.51 wt. % Al and 1.16 wt. % Al respectively. Special attention is given to the effect of aluminium on the phenomena developing during bainitic holding. The bainitic transformation kinetics is followed by dilatometry. Coupled with a characterization of the microstructures by X-ray diffraction, scanning electron microscopy and image analysis, these dilatometry experiments enabled us to draw transformation maps giving the volume fractions of the different phases. The retarding effect of aluminium on carbide precipitation during the bainitic transformation is highlighted, although Al appears less efficient than Si.
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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 | 0.001 | 0.001 |
| 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 | 0.001 |
| 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