The Effect of Creating Different Size Surface Patterns on Corrosion Properties of Nickel
Bibliographic record
Abstract
Most common methods of decreasing the corrosion rate of metals use inhibitors, chemicals, coatings and surface modifiers. In this study a new method has been used to combat corrosion. This new approach is based on creating specific patterns on nickel surface. A pattern of holes with different diameters (D) and inter-hole spacings (L) were created through a laser ablation method on nickel sheet samples. Corrosion tests were carried out in a 0.5M H2SO4 solution. Scanning electron microscopy (SEM) was performed in order to compare the appearance of the samples before and after corrosion tests. Energy dispersive spectroscopy (EDS) technique showed chemical composition of materials inside and outside of the holes before and after the corrosion tests. As a result of the surface patterning a significant improvement of protective properties of nickel surface has been achieved. All patterned surfaces showed better corrosion resistance compared to the polished reference samples. In addition, it has been shown that for a few specific patterns the corrosion resistance can be increased by orders of magnitude compared to the polished reference samples.
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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 | 0.001 |
| 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".