Grain coarsening in Ti – 45Al based titanium aluminides at supertransus temperature and subsequent lamellar structure formation
Why this work is in the frame
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Bibliographic record
Abstract
The phenomenon of grain growth in the α phase field and the effect of annealing time/grain size on the formation of lamellar microstructure upon subsequent cooling was studied in Ti - 45Al - 2Nb - 0.4Mn and Ti- 45Al - 2Nb alloys. The grain size of both alloys increased with annealing time and the grain growth exponent of Ti - 45Al - 2Nb- 0.4Mn and Ti - 45Al- 2Nb at 1350°C was observed to be 0.52 and 0.38, respectively. The difference in the grain growth exponent values has been attributed to the initial grain size and the grain boundary morphology. Interlamellar spacing in the lamellar microstructure, which formed upon furnace cooling from the α phase field, was also observed to increase with increase in annealing time, i.e. interlamellar spacing increased with increase in grain size.
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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