| Alloy | Mg | Zn | Zr | Yb |
| Alloy-1 | Bal | 4.0 | 0.5 | 0.0 |
| Alloy-2 | Bal | 4.0 | 0.5 | 0.6 |
| Alloy-3 | Bal | 4.0 | 0.5 | 1.2 |
| Alloy-4 | Bal | 4.0 | 0.5 | 2.4 |
| Alloy-5 | Bal | 4.0 | 0.5 | 4.0 |