Microstructural characterization and mechanical properties of AlMg alloy fabricated by additive friction stir deposition
Bibliographic record
Abstract
Abstract This work investigates microstructure characterization and mechanical properties of Aluminum alloy fabricated by additive friction stir deposition (AFSD). Microstructure characterize of the Aluminum alloy 5B70 base material (BM) and build were compared using optical microscope (OM) and electron back scattered diffraction (EBSD). Hardness distribution in the direction perpendicular to the cross-section of deposited area was measured and the pattern was evaluated. Tensile tests were performed on the BM and the deposition using digital image correlation (DIC), and the stress distribution states of the specimens were analyzed in real time. After the tensile tests, the fracture micromorphology was characterized using scanning electron microscope (SEM). The results show that a high degree of recrystallization of the grains in the deposition zone occurs and fine equiaxed grains are formed, which are oriented differently. In tensile tests on the deposition, it was found that the strength of the deposition was significantly lower compared to the BM, but its toughness was significantly higher. And there is a significant anisotropy in the mechanical properties of the deposition.
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How this classification was reachedexpand
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 | 0.000 | 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 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".