Ldpe/Agave Fibre Composites: Effect of Coupling Agent and Weld Line on Mechanical and Morphological Properties
Why this work is in the frame
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Bibliographic record
Abstract
Natural fibre composites based on Agave fibres (Agave tequilana) and low-density polyethylene (LDPE) were produced by injection moulding. Maleic anhydride grafted polyethylene (MAPE) was also added to study the effect of fibre content, coupling agent addition, and weld line presence on mechanical properties. It was found that tensile and flexural moduli increased with fibre concentration while they decreased for impact strength. In all cases, MAPE addition enhanced the effect up to an optimum content between 2 and 5% on a fibre weight basis. The presence of a weld line substantially reduced tensile properties and this effect could be interpreted in terms of molecular entanglement and orientation changes.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| 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