Corrosion behaviour of a beta-titanium alloy.
Why this work is in the frame
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Bibliographic record
Abstract
The beta-titanium alloy, a particular type of titanium, has been investigated as a biomaterial because of its good mechanical performances and its high corrosion resistance and biocompatibility. This work focuses on the corrosion performance of a beta-titanium alloy of composition Ti-11Mo-2V-4Nb-3Al in Hank's physiological solution. Potentiodynamic tests were performed from -0.25 V to 3.5 V; the breakdown potential was not reached. To observe the behaviour of the alloy while submitted to long-term aggressive conditions, 1, 4 and 8 cycles of cyclic polarization were carried out. Results show a high resistance of the alloy to corrosion and a stabilization of the surface after several corrosion cycles. Pitting was not observed and a fast ability of the surface to repassivate was noticed. The surface was characterized by different techniques before and after corrosion testing. Following the corrosion tests, X-ray Photoelectron Spectroscopy (XPS) showed the presence of calcium and phosphorus, an increase of the oxide layer was measured by Auger Electron Spectroscopy (AES), a relatively smooth surface was visualised by Scanning Electron Microscopy (SEM) and contact-angle measurements showed that the surface energy increased.
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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