Table 7.
Mechanical properties of some Mg biodegradable alloys, the letters T and C stand for tension and compression, respectively (Chen et al. 2018)
| Elements (alloys) | Yield stress (MPa) | Ultimate stress (MPa) | Elongation (%) |
|---|---|---|---|
| Mg–Zn–Sr | 187.324 ± 4.015(T) | 278.002 ± 5.352(T) | 19.8 ± 3.6(T) |
| Mg–Zn–Zr | 227.509 ± 5.009(T) | 306.052 ± 4.588(T) | 20 ± 2(T) |
| Mg–Zn–Zr–Sr | 322.363 ± 4.547(T) | 376.400 ± 7.526(T) | 16 ± 1(T) |
| Mg–5.5Zn | 115.6 ± 3.9(C) | 303.2 ± 5.6(C) | – |
| Mg–5.5Zn/5HA | 154.7 ± 4.2 (C) | 351.6 ± 5.2(C) | – |
| Mg–5.5Zn/10HA | 165.3 ± 3.7(C) | 379.7 ± 4.1(C) | – |
| Mg–Zn–Mn–Ca | 198(T) | 220(T) | 4.5(T) |
| Mg–1.2Zn–0.5Ca (as-cast) | 64.5 ± 10.5(C), 60.3 ± 3.1(T) | 255.2 ± 7.6 (C), 121.3 ± 5.2(T) | 17.4 ± 0.43(C), 3.2 ± 0.13(T) |
| Mg–1.2Zn–0.5Ca (heat treated) | 124.4 ± 6.9 (C), 84.3 ± 7.1(T) | 309 ± 17.3(C), 150.7 ± 8.5(T) | 18.9 ± 0.3(C), 4.9 ± 0.24(T) |
| Mg–5Zn | 120(T) | 212(T) | 10(T) |
| Mg–5Zn–0.2Sr | 117(T) | 233(T) | 15(T) |
| Mg–5Zn–0.6Sr | 115(T) | 215(T) | 13(T) |
| Mg–5Zn–1.0Sr | 107(T) | 194(T) | 9(T) |
| Zn–1 Mg–0.1Sr (hot rolled) | 196.84 ± 13.20(T) | 300.08 ± 6.09(T) | 22.49 ± 2.52(T) |