Corrosion under Insulation Behavior of Out-Of-Service Carbon Steel Pipes with and without Non-Metallic Stand-Off Membranes
Bibliographic record
Abstract
Abstract CUI (corrosion under insulation) refers to the external corrosion on thermally insulated metals which mainly manifests as localized corrosion. The key driver behind the CUI is the soaked thermal insulation which results in both uniform and localized corrosion. There are many instances where the facility piping, and pipelines undergo flooding and submerging conditions which result in the soaking of insulation. The issue gets aggravated (i.e., prolonged soaking) for the pipes/ pipelines which are either mothballed or operate at or near the ambient temperatures. This study addresses the long-term CUI behavior of pipe assemblies applied with and without non-metallic stand-off membranes. The assemblies were submerged in water for 2 days followed by outdoor exposure for 01 year. The assemblies were tested for CUI behaviors via weight loss method and various characterization methods namely confocal laser topography and scanning electron microscopy.
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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 | 0.000 |
| 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 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".