Compatibility between Pipeline Anti-corrosion Coating and Thermal Insulator in the Presence of Cathodic Protection
Bibliographic record
Abstract
Abstract In this paper the disbondment characteristics of anti-corrosion coating below an intact insulator at 150 °C have been investigated. The anti-corrosion coating in such situation may be susceptible to water accumulation if the insulator deteriorates elsewhere providing entry point for water and the water subsequently migrates laterally along the pipeline. Under this situation, Cathodic protection (CP) may not reach the steel surface to protect it. To simulate this situation, the cathodic disbondment (CD) test was conducted using a specially designed experimental set up in which the pipe sample was titled to simulate the inclination of pipeline and to facilitate the lateral movement of water. During the test no lateral movement of water beneath an intact insulator was observed for over 150 days and the anticorrosion coating (beneath the intact insulator) did not undergo any change. However, the area of disbondment of anticorrosion coating in the adjacent section that was exposed directly to aqueous phase (i.e., outer insulator and polyethylene layers were removed before the test) was higher.
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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 | 0.000 | 0.001 |
| 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 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".