Property Anisotropy in Magnesium Containing Aluminium Alloys
Bibliographic record
Abstract
Property anisotropy has been investigated in a range of both model and commercial 5xxx series Al-Mg alloys, in the annealed temper. The term property anisotropy includes the whole range of mechanical tensile properties, but in this paper we are particularly concerned with anisotropy in the tensile elongation to fracture. The tensile elongation in these alloys typically achieves a maximum value in the 45° direction to the rolling direction, and a minimum when the sheet is deformed in a direction parallel to the rolling direction. Both microstructural anisotropy and crystallographic texture have been considered in analysing the results. It is shown that microstructural anisotropy and global parameters, such as the work hardening exponent, n, and the plastic strain ratio, r-value, cannot explain the ductility anisotropy. However, the anisotropy can be understood in terms of the influence of crystallographic texture on the work hardening rate. The behaviour of the work hardening rate with stress and strain controls the onset of plastic instability, and subsequent failure.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| 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 | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".