Corrosion of Secondary Hpdc A365 (AlSi10MnMg(Fe)) Alloys for Automotive Applications
Bibliographic record
Abstract
Al alloys with suitable mechanical properties and castability are widely used for thin-wall structural HPDC components with complex shapes. Al alloy A365 (9-11.5% Si, 0.4-0.8%Mn, 0.1-0.6% Mg, 0.25% Fe max.) is typically produced using primary Al (raw material) to control/minimize the impurity Fe content. Secondary A365, made using recycled end-of-life material, with equivalent mechanical properties as the primary alloy, provides an opportunity to reduce life cycle greenhouse gas (GHG) emissions from light-duty vehicles through improved end-of-life material recovery. The primary alloy is susceptible to micro-galvanic corrosion, where the eutectic a-Al phase serves as the anode and the eutectic Si phase, and incorporated secondary intermetallic phases serves as the cathode. The purpose of this work is to determine the extent to which utilization of end-of-life materials alters the microstructure and, in turn, corrosion (anode and cathode kinetics) of secondary A365, as revealed by electrochemical measurements.
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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 | 0.000 |
| 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) | 0.001 | 0.001 |
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".