Grain structure and texture in aluminium alloy AA5083 after equal angular channel extrusion, warm rolling and subsequent annealing
Why this work is in the frame
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Bibliographic record
Abstract
An aluminium alloy AA5083, having a submicrometre grain structure generated by equal angular channel extrusion, was rolled at ∼200°C to make flat sheets with 37·5 to 75% thickness reductions. The evolution of grain structure and texture upon warm rolling and subsequent annealing was studied by transmission electron microscopy, scanning electron microscopy and X-ray diffraction technique. It has been demonstrated that dynamic recovery occurs during the warm rolling, the submicrometre grain structure could be retained with low rolling reduction, but as the reduction increases it develops into a cell structure, and after subsequent annealing, an equiaxed fine grain structure of ∼5 μm mean size is obtained which is thermally stable at temperature as high as 500°C.
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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 | 0.000 |
| Science and technology studies | 0.000 | 0.002 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| 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