Nature of Surface Film on Matrix Phase of Mg Alloy AZ80 Formed in Water
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Bibliographic record
Abstract
The nature of the surface film formed on the α-Mg matrix phase of AZ80 in pure H2O was investigated using scanning transmission electron microscopy–energy-dispersive spectroscopy (STEM-EDS). Thin foil cross sections of the film/substrate interface were prepared using focused ion beam (FIB) milling. The film formed consists of a diffuse bilayer structure. A relatively thick, more-hydrated outer layer is found to form on a thinner, less-hydrated inner layer. Al is found to be enriched in both layers relative to the substrate, but is enriched to a higher level within the outer layer. No evidence of an inner aluminum oxide (Al2O3)-rich skeletal layer is observed. The EDS analyses suggest that the more-hydrated outer layer is comprised of double Mg-Al hydroxide-type compound, which is formed as a corrosion product.
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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) | 0.002 | 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