Enhanced mechanical properties for porous ceramics with an in situ formation of anorthite crystals during vitrification
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Porous anorthite ceramics are widely applied as catalysis supports, separation membranes, and thermal insulations at high temperatures. In situ formation of anorthite crystals during vitrification is herein employed to improve mechanical properties of porous anorthite with modulated grain sizes on pore walls. Sintering parameters of shrinkage (5%–30%), open porosity (31.0%–58.3%), density (1.18–1.71 g/cm 3 ), and mass loss (12.20%–18.26%) are estimated to investigate the influences of sintering aids of calcite, fused mullite, and silicon carbide or talcum on the densification processes of porous anorthite. The Kissinger equation is used to determine the activation energy of 783 kJ/mol for the crystallization of anorthite, which is significantly low for the formation of anorthite crystals through surface nucleation mechanism in present flux‐rich melt. In situ crystallization and simultaneous densification under liquid drainages are favored for whiskers‐reinforced mechanism to enhance flexural strengths (6.9–19.4 MPa) for porous anorthite with the porosity of 49.6%–58.3% through the formation of hierarchical nano‐ and microscale structures during vitrification.
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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 | 0.001 | 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