Enhancement of Localized Corrosion in Aluminum Alloys by Weak Acids
Why this work is in the frame
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Bibliographic record
Abstract
Al-1Cu solid solution and a 2024-T3 (UNS A92024) industrial alloy were tested for localized corrosion resistance in sulfate and chloride solutions, with and without a dilute boric acid (H3BO3)/borate addition (0.01 M H3BO3 adjusted to pH 7). The susceptibility to pitting and crevice corrosion was enhanced by the low concentration of weak acid in the buffer, which prevents alkalization at cathodic sites and the consequent consumption of cathodic current by alkaline dissolution of the adjacent alloy matrix. In the presence of a weak acid, there is more cathodic current available to drive remote pits and crevice corrosion sites. A range of techniques including coupled electrodes and electrochemical noise was used.
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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 | 0.001 | 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