Lamellar morphology of directional solidified Ti–45Al–6Nb– <i>x</i> W alloys
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Bibliographic record
Abstract
Abstract Directional solidification of Ti–45Al–6Nb– x W ( x = 0, 0.4, 0.8; at%) alloys was performed by Bridgeman method with the stable growth rate of 5, 10, and 20 μm·s −1 . The differential scanning calorimeter (DSC) results indicate that both the eutectic temperature and the transition temperature of α(Ti 3 Al) to γ(TiAl) increase with W content increasing from 0 at% to 0.8 at%. For the stable growth rate of 10 μm·s −1 , the orientations of α 2 (Ti 3 Al)/γ(TiAl) lamellae change from 45° (0 at% W) to 0° and near 0° (0.4 at% and 0.8 at% W) to the crystal growth direction, and the spacing of α 2 /γ lamellae decreases with W content increasing from 0 at% to 0.4 at%, while it increases when W content is 0.8 at%. With the increase in growth rate from 5 to 10 and 20 μm·s −1 , the lamellar spacing of α 2 /γ becomes smaller, and the lamellar thickness becomes more uniform.
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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