<b> <i>Technical Note:</i> </b> Measuring Corrosiveness with a Dual Galvanic/Surface Film Resistance Sensor
Bibliographic record
Abstract
A galvanic sensor system designed to measure atmospheric corrosiveness within an aircraft was modified to also measure surface film resistance. Its response to four laboratory conditions was compared to the mass loss of an aircraft alloy, UNS A92024. The experimental factors were relative humidity (RH) and level of sodium chloride (NaCl). The amount of salt added was equivalent to the cumulative deposition of salt aerosols at a marine site for one week. The four conditions were (a) low RH with no salt added, (b) high RH with no salt added, (c) low RH with salt added, and (d) high RH with salt added. The mass loss of UNS A92024 plates was above that due to cleaning alone for conditions (b), (c), and (d), whereas the galvanic sensor only responded to the most severe condition (d). The galvanic current declined with time when exposed to the same environment in a manner consistent with the development of mass-transfer limitations of oxygen for the cathodic reaction. Implications for improving the design of a galvanic sensor to minimize both of these deficiencies were discussed.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".