Corrosion of UNS R30006 in High-Temperature Water Under Intermittent Mechanical Contact
Why this work is in the frame
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Bibliographic record
Abstract
The wear and corrosion of UNS R30006 in water saturated with hydrogen or nitrogen at various temperatures and pH values (adjusted with boric acid [H3BO3] and lithium hydroxide [LiOH]) were studied using the techniques of linear polarization resistance and potentiodynamic sweep. The immediate change of corrosion rate caused by mechanical wear was similar in various water chemistries; at 150°C, 200°C, and 250°C, corrosion rates increased during wear and then dropped to their original values, while at 65°C and 25°C the rates before and immediately after wear were about the same. During continuous exposure to high-temperature water saturated with hydrogen at various pH or with nitrogen at pH300°C = 6.5, the corrosion rate of UNS R30006 was somewhat variable, but in general, it increased with time during the periods investigated. At all pH, between 6.5 and 7.8 (at 300°C), the corrosion rate of UNS R30006 without wear generally was highest at pH300°C = 7.4, corresponding to the highest concentration of lithium; the corrosion rate of UNS R30006 at 250°C, in fact, increased with an increasing concentration of LiOH regardless of pH. Prolonged exposure of UNS R30006 to high-temperature water saturated with nitrogen at pH300°C = 6.5 reduced corrosion rates.
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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) | 0.000 | 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