Effect of interface adhesion on the spall strength of particle-reinforced polymer matrix composites
Bibliographic record
Abstract
Prior research investigating the spall strength in metal alloys has shown that the presence of secondary phase intermetallics can be a source of spall nucleation. In polymer composites with a reinforcing phase, the particle surfaces can be functionalized to improve the surface adhesion between the matrix and filler at the interface, which has been shown to improve the quasi-static strengths of the materials. In the present study, we apply silanes to modify the surface chemistry of micron-sized alumina particles to tailor interface adhesion between the alumina filler and an elastomer matrix Sylgard 184. Two silanes were selected to both increase and decrease interface adhesion respectively to further observe the significance of interface adhesion on dynamic tensile strength. The composites were characterized through spall experiments using a single stage light gas gun at Carleton University. It was found that composites with impeded adhesion showed a drastic reduction in spall strength associated with a loss of adhesion at the interface.
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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 | 0.000 |
| 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) | 0.001 | 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".