Generalization of the binary structural phase field crystal model
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Bibliographic record
Abstract
Binary phase field crystal (PFC) models have been successful in describing a broad selection of phenomena in binary alloy materials: eutectic and dendritic solidification, the Kirkendall effect, clustering, solid state precipitation, and many more. In this paper, authors present improvements to the binary structural PFC model and show that these improvements allow us to model new material phase diagrams. They apply their improved model to study the kinetics of precipitation from a liquid solution where they observe a two-step nucleation pathway. This agrees with recent experimental observations in which spinodal decomposition precedes nucleation in solute-rich domains. They also find a phenomenon not previously described in the literature in which precipitate growth is accelerated in the presence of uncrystallized, solute-rich liquid domains.
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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 | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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