Corrosion Assessment of Nickel-based Alloys for SCWR Fuel Cladding Application
Bibliographic record
Abstract
Abstract Supercritical water-cooled reactor (SCWR) is an innovative Generation IV reactor and merits further research and development with the intent of being pursued for implementation in the next 30 years. The SCWR is a high temperature and high pressure water-cooled reactor in which supercritical water (SCW) is used as the primary coolant for a direct once-through cycle to achieve noticeable advantages. For optimum thermal efficiency, the Canadian SCWR concept requires a fuel core outlet temperature of 625 °C at 25 MPa with a predicted peak temperature as high as 800 °C. As a result, material selection for the fuel cladding is one of the most challenging aspects for the realization of the SCWR. Detailed materials assessments based on public data have carried out by Canadian research groups and several nickel-based alloys, such as UNS N06625, UNS R20033 and UNS N07214 alloys, are selected for the fuel cladding. However, significant knowledge gaps exist in determining whether the alloys can be used for the fuel cladding in the SCWR. This paper introduces our most recent laboratory results on corrosion and stress corrosion cracking (SCC) of the nickel-based alloys in SCW.
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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) | 0.001 | 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 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".