Table 3.
Elastic modulus measurements of Mg and their syntactic foams along with comparison of biomechanical properties.
| Material | Density (g/cc) | 0.2% CYS (MPa) | UCS (MPa) | Ultimate Compressive Strain (%) | Elastic Modulus (GPa) |
|---|---|---|---|---|---|
| Natural Bone | 1.8–2.1 | 130–180 | - | - | 3–20 |
| Cortical Bone | 1.3 ± 0.03 | - | 131–224 | 2–12 | 15–30 |
| Titanium alloy | 4.4–4.5 | 1040 | 1643–2324 | 29–49 | 110–117 |
| Stainless Steel | 7.9–8.1 | 170–310 | - | - | 189–205 |
| Pure Mg | 1.7014 | 66 | 194 | 15 | 43.3 |
| Mg-5 | 1.6739 | 77 | 232 | 17.2 | 42.56 (↓1.7%) |
| Mg-15 | 1.5597 | 102 | 231 | 19.1 | 41.10 (↓5.1%) |
| Mg-25 | 1.4723 | 161 | 216 | 37.7 | 39.85 (↓7.9%) |