Thermal and Mechanical Properties of Blends and Composites from HDPE and Date Pits Particles
Why this work is in the frame
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Bibliographic record
Abstract
The date pits flour was used as a filling material in composition with high density polyethylene (HDPE). The blending proportions were: (1) 10% date pits, 90% HDPE; (2) 20% date pits, 80% HDPE; (3) 30% date pits, 70% HDPE; and (4) 40% date pits, 60% HDPE. Thermal conductivities, specific heat, and melt flow index of the blends were determined. The thermal conductivities ranged from 0.460 to 0.720 W/(m°C) and specific heats ranged from 1.10 to 5.30 kJ/(kg°C). The tensile and flexural tests on composite plates, fabricated by compress molding, indicated that strength and strain values decreased with increase in the percentage of date pits. There was no significant difference between flexural moduli of elasticity of the composites, but tensile modulus had the highest value at 30% blend. Moduli of elasticity of the composites were lower than the plates prepared from virgin HDPE at 180°C. It was presumed that high temperature processing of pure HDPE altered its original properties and consequently increased its modulus of elasticity.
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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 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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