Mechanisms for pitting corrosion in alloy N04400 as revealed by imaging XPS, ToF‐SIMS and low‐voltage SEM
Bibliographic record
Abstract
Abstract Imaging XPS has been used to determine the distributional patterns of corrosion products of different chemistry on a nickel–copper alloy surface that has been subjected to pitting corrosion. Separate regions within corrosion pits can be identified with chemical processes that are suggested to be anodic and cathodic in nature. The anodic processes are indicated by a thin layer of cuprous oxide covering the base alloy, suggesting the preferential dissolution of nickel. Areas undergoing a cathodic process are indicated by the deposition of nickel as an oxide or hydroxide. Adjacent regions also were studied by XPS and characterized further by low‐voltage SEM/energy‐dispersive x‐ray imaging and time‐of‐flight SIMS techniques to obtain confirmatory and complementary information. Typically, the anodic and cathodic areas were tens of microns in size. Copyright © 2002 John Wiley & Sons, Ltd.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 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".