Effects of temperature on fatigue crack growth rates of a low-carbon pipe steel in the ductile and ductile-to-brittle transition regions
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Bibliographic record
Abstract
This study investigated the impact of temperature on fatigue crack growth rates (FCGR) of low-carbon pipe steel in both the ductile and ductile-to-brittle transition regions. Results showed that the FCGRs decreased as the temperature decreased from the ductile to the ductile-to-brittle transition region, while FCGRs remained consistent within the ductile-to-brittle transition region. The Paris law coefficients, C and m, were also influenced by the temperature change between the ductile region and the ductile-to-brittle transition region. However, the C and m values stayed relatively stable in each region. The m values in the ductile-to-brittle transition region were found to be higher than those in the ductile region, whereas the C values were found to be lower.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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