Numerical simulation of squeeze cast magnesium alloy AZ91D
Why this work is in the frame
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Bibliographic record
Abstract
A two-dimensional model has been developed to simulate heat transfer and solidification phenomena of squeeze cast magnesium alloy (AZ91D). The model was based on the control-volume finite-difference approach and on the enthalpy method. The computation was carried out to understand the effect of varying processing parameters, such as applied pressure and die temperatures, on the solidification and cooling behaviours of AZ91D. The model computed the temperature distributions, the cooling curves, the shape and position of the phase front and total solidification time of a cylindrical squeeze casting. The predicted results show that high applied pressures and low die temperatures result in a high heat transfer across the casting–die interface, and consequently solidification and cooling rates increase. The comparison indicates that the predicted results are in close agreement with the existing experimental data.
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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 | 0.000 |
| 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