Experimental Investigation of Gas-Oscillation Superplastic Forming of AA5083 Aluminum Sheet in a Dual-Cavity Tool
Why this work is in the frame
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Bibliographic record
Abstract
Experimental studies show the significant improvement of superplastic formability of AA5083 alloy under oscillating loads. Tensile tests are performed to determine the benefits of oscillatory stress at 450°C. Microstructural analysis of the tested specimen indicates an improvement in the grain boundary sliding mechanism with oscillation. Based on the knowledge from the tensile tests, a Gas-Oscillation Superplastic Forming (GO-SPF) process is developed. The cycle time of the GO-SPF process to form a AA5083 part in a dual-cavity tool without failure is impressively 4.5 times shorter than the required one of a conventional superplastic forming (SPF) process, while the GO-SPF process is found to provide practically identical forming quality to the conventional SPF process. Significant potential benefits of the GO-SPF process are presented.
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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 | 0.001 |
| 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) | 0.001 | 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