Effect of Sleeve Material on Interfacial Contact Behavior of CFRP-Metal Couples
Why this work is in the frame
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Bibliographic record
Abstract
A study was carried out on the contact pressure and shear stress at the interface of a carbon-fiber-reinforced polymer (CFRP) rod in contact with aluminum alloy or copper sleeves of different hardness. The main objective was to investigate the effect of the sleeve material on the interfacial sliding behavior under high contact pressures required for the design of wedge anchor systems to grip CFRP rods in prestressed concrete applications. The shear stress increased with the contact pressure; aluminum alloy sleeves generated higher shear stresses than copper sleeves. For both sleeve materials, higher shear stresses resulted from softening sleeves, an effect attributed to the lower yield stress facilitating metal flow, which resulted in a larger contact area between the sleeve and the CFRP rod.
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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 | 0.001 | 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 | 0.000 |
| 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