Modified Cathodic Disbondment Testing of External Polymeric Pipeline Coatings
Why this work is in the frame
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Bibliographic record
Abstract
Abstract The research described in this paper was carried out with the objective of establishing any correlation between coating performance and the results of cathodic disbondment testing. Experiments were carried out using 13 coatings. Nine samples of each coating were studied in a total of 117 experiments. Fifty-eight (58) samples were placed in an environmental chamber at a constant temperature of 65°C, and 59 samples were placed in a different environmental chamber at a temperature that varied between 5 and 65°C. The initial temperature of this environmental chamber was 5°C and, after 30 days, the temperature was raised to 15°C. The temperature in the fluctuating chamber was increased by 10°C after every 30 days. Data were obtained from cathodic current, solution pH, and potential during the experiments and cathodic disbondment after the experiments. Based on the experiments carried out over a period of 14 months using 13 different pipeline coatings, in this investigation it was found that characteristic current spikes occurred whenever blisters are formed on the coatings.
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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) | 0.001 | 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