Effect of Zincate Treatment on Adhesion of Electroless Ni–P Plated Film for 2017 Aluminum Alloy
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Bibliographic record
Abstract
The present authors have investigated the changes in adhesion of electroless Ni–P plated films on an aluminum alloy substrate (JIS A2017P-T3, Al–4 mass%Cu) from the viewpoint of the preceding zincate treatment and the subsequent heat treatment. The precipitation state of zinc and adhesion of Ni–P plated film differed with the number of zincate treatments. Without zincate treatment, some of the Ni–P plated film peeled off during the plating process, and the film obtained after the single zincate treatment also showed poor adhesion to the substrate. The highest adhesion was obtained by the double zincate treatment, and the triple zincate treatment resulted in a poorer adhesion. Existence of aluminum at the surface of the zincate film was shown to be necessary to obtain higher adhesion of the Ni–P plated film, on the other hand, excess zinc obtained by the triple zincate caused lower adhesion. Interdiffusion of aluminum and nickel between the Ni–P plated film and the substrate through the medium of zincate film with an appropriate thickness is thought to promote strong bond between the Ni–P plated film and the substrate.
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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