Effect of shot peening coverage on residual stress field and surface roughness
Why this work is in the frame
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Bibliographic record
Abstract
Surface coverage is an important parameter in the shot peening process, exerting a significant influence on the residual stress field and surface roughness. In this study, a random-shots finite element model and a new coverage calculation method are employed to study the effect of shot peening coverage on the residual stress field and surface roughness of Q345qD steel. In addition, a shot peening experiment using a Q345qD steel specimen is designed to verify the simulation results. The results show reasonable agreement between the simulated values of the residual stress and roughness and those measured experimentally on the specimen. The obtained results revealed that coverage has significant influences on the residual stress field and surface roughness. In the actual shot peening process, engineers need to pay more attention to the stage of shot peening where coverage approaches 100%.
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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