The Influence of Aqueous Environment, Temperature and Cyclic Loading on Glass-Fibre/Epoxy Composite Laminates
Why this work is in the frame
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Bibliographic record
Abstract
An experimental investigation has been carried out to study effects of immersion in distilled water, temperature (ambient and 90°C) and cyclic loading on the mechanical behaviour of E-glass fibre reinforced epoxy matrix composite laminates. Three types of laminates were investigated: cross-ply, multi-directional and angle-ply. Following immersion for over four months, a steady state moisture uptake was reached for the ambient temperature specimens while no such state of saturation was observed for those immersed at 90°C temperature. Fatigue life curves of the immersed specimens are compared to those of the dry ones and the failure modes are discussed. Immersion in 90° temperature results in excessive swelling and cracking, and considerable reduction in the fatigue resistance. The inter-relation among accumulated creep strain due to cyclic loading, crack density variation and stiffness reduction are also discussed.
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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 | 0.000 | 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) | 0.000 | 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