Table 1.
SEM grain morphology for peak-aged and annealed BioMg250.
| Conditions | Range (µm) |
Major length, l (µm) |
Aspect ratio, GAR (l/s) | No. freq. of grains, (%) | Area fraction of grains, (%) |
|---|---|---|---|---|---|
| Peak-aged | |||||
| Top | 0–1 | 0.7 ± 0.2 | 1.6 ± 0.4 | 47.4 | 4.2 |
| 1–5 | 1.8 ± 0.8 | 2.1 ± 1.2 | 47.6 | 28.3 | |
| 5 + | 20.7 ± 14.3 | 3.2 ± 1.7 | 5.0 | 67.5 | |
| Side | 0–1 | 0.6 ± 0.2 | 1.7 ± 0.8 | 49.3 | 4.3 |
| 1–5 | 2.0 ± 1.0 | 2.4 ± 1.1 | 43.9 | 30.2 | |
| 5 + | 8.7 ± 3.4 | 4.9 ± 2.9 | 6.8 | 65.4 | |
| Annealed | |||||
| Top | 0–1 | – | – | – | 0 |
| 1–5 | – | – | – | 0 | |
| 5 + | 13.3 ± 4.7 | 1.4 ± 0.4 | 100 | 100 | |
| Side | 0–1 | – | – | – | 0 |
| 1–5 | 3.7 ± 0.8 | 2.1 ± 2.0 | 8.5 | 2.6 | |
| 5 + | 10.5 ± 3.3 | 1.3 ± 0.3 | 91.5 | 97.4 | |