AlPO <sub>4</sub> Coating on Alumina/Mullite Fibers as a Weak Interface in Fiber‐Reinforced Oxide Composites <sup>‡</sup>
Why this work is in the frame
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Bibliographic record
Abstract
A sol of amorphous aluminum orthophosphate (AlPO 4 ) nano particles (30–100 nm) was synthesized by co‐precipitation of Al 3+ and HPO 4 2− with urea at 95°C. A narrow particle size distribution was achieved when [Al 3+ ]≤0.1 M . The isoelectric point of the synthesized powder is pH∼4.7. Alumina/mullite fibers (Nextel™ 720) were pretreated with cationic polyelectrolyte to render them of opposite charge to the AlPO 4 particles, and the latter were then coated by electrostatic‐attraction dipcoating. A uniform, continuous coating formed after several cycles, and its effectiveness as the weak layer between the fibers and the Al 2 O 3 matrix of a hot‐pressed composite was reported. Significant fiber pullout was noted.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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