Atomic Partitioning of Ruthenium in Ni-Based Superalloys
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Bibliographic record
Abstract
The elemental partitioning characteristics of Ru additions within the microstructure of high refractory content Ni-base single crystal superalloys have been investigated using atom probe tomography (APT). Although detailed microanalysis revealed some dissolution of Ru within the ordered intermetallic precipitates, Ru was observed to preferentially partition to the disordered matrix. The partitioning characteristics of two nominally similar alloys with and without Ru were studied as part of this investigation. Analyses indicate that no significant changes in the partitioning characteristics of the constituent elements could be attributed to the presence of Ru for this particular set of alloys. The preferential site occupancy of Ru within the L1 2 lattice was also statistically quantified using ALCHEMI (atomic site location by channelling enhanced microanalysis). Interestingly, Ru exhibited a tendency to substitute for Al and occupy the corner sites in the structure.
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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