Interfacial strengthening by soft phase in lamellar microstructure of TiAl alloys
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Bibliographic record
Abstract
The authors report a mechanism of interfacial strengthening during creep deformation of fully lamellar TiAl alloys. In the lamellar microstructure of TiAl alloys, the α2 phase or the β phase is softer than the γ phase at elevated temperature. Conventionally, the creep resistance increases with decreasing the volume fraction of the soft phases. However, the lamellar interfaces of γ∕α2 or γ∕β retard the motion of dislocations during creep, causing a great strengthening, and thus the creep resistance increases with increasing the amount of the phase interfaces. In this study, a physically based model is developed to explain the strengthening behavior of the soft phases in lamellar TiAl alloys.
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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