Corrosion Behaviour of Alloy 800H in Low Density Superheated Steam
Why this work is in the frame
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Bibliographic record
Abstract
The integrity of materials is of great concern in the construction of nuclear reactors. During the design of Gen IV supercritical water reactors, materials characterization under simulated conditions must be carried out to aid proper material selection. In this study, the long term corrosion resistance of Alloy 800H under low pressure superheated steam (SHS) at a temperature of 800°C and 0.1 MPa was tested for up to 3000 hours. The results showed that all six samples experienced weight gain in the first 2000 hours while both weight gain and weight loss were found after 3000 hours. Visual inspection and SEM surface analysis suggest the likelihood of oxide exfoliation at a later stage of the testing in SHS. Additionally, chromia formed on all samples after 1000, 2000 and 3000 hours as well as spinel and hematite.
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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 | 0.000 | 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 it