<i>Technical Note:</i> Examination of Focused Ion Beam-Sectioned Surface Films Formed on AM60B Mg Alloy in an Aqueous Saline Solution
Bibliographic record
Abstract
This technical note reports on relative differences in the physical and chemical nature of the surface films formed on AM60B during anodic polarization in an aqueous saline solution. Cross sections of the films prepared by focused ion beam (FIB) milling were analyzed using scanning electron microscopy coupled with energy-dispersive spectroscopy (SEM-EDS). The apparent breakdown potential (Eb) observed in the potentiodynamic anodic polarization curve is clearly associated with the onset of an accelerated form of localized corrosion. SEM-EDS analysis of FIB-sectioned surface films revealed that this accelerated form of localized corrosion coincides with a drastic change in the physical and chemical nature of films formed. The major physical change involves the transformation from a compact thin film to a much thicker film with significant poros-ity and cracking. The major chemical change involves the significant incorporation of Cl− into the much thicker, significantly porous, and cracked film.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.013 | 0.004 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".