| | | its alloys | |
| Mechanical | Yield strength (YS) / MPa | 126-389 | 149-293 | 106-950 |
| property | Ultimate tensile strength / MPa | 167-647 | 199-350 | 169-1550 |
| Ultimate compressive strength / MPa | 99-457 | 90-258 | 312-696 |
| Elongation / % | 6-84 | 8-28 | 1.3-94 |
| Hardness | 44-217 HV | 35-90 HB | 175-428 HV |
| Elastic modulus / GPa | 94-110 | 41-45 | 77-211 |
| Corrosion | In vitro corrosion rate (SBF, | 0.16-1.66 | 0.45-12.56 | 0.17-1.30 |
| behavior | electrochemical test) / (mm·a-1) | | | |
| In vitro corrosion rate (SBF, static | 0.014-0.03 | 0.07-1.88 | 0.028-0.250 |
| immersion test, 30-60 d) / (mm·a-1) | | | |
| In vivo corrosion rate (rats femur | 0.13-0.26 | 0.36-1.58 | No significant |
| model, volume loss, 8-12 weeks) | | | degradation |
| / (mm·a-1) | | | |
| Type | Uniform corrosion/ | Localized corrosion/ | Uniform corrosion/ |
| | localized corrosion/ | pitting corrosion | localized corrosion/ |
| | pitting corrosion | | pitting corrosion |
| Main cathodic reactions | Redox reaction | Hydrogen | Redox reaction |
| | | evolution reaction | |
| Gas in biodegradation products | None | Hydrogen | None |
| Soluble biodegradation products | Zn2+, OH- | Mg2+, OH- | Fe2+, Fe3+, OH- |
| Insoluble biodegradation products | Zn(OH)2/ZnO | Mg(OH)2/MgO | Fe(OH)3/Fe2O3/Fe3O4 |
| Biocompatibility | Essential elements in bone | Yes | Yes | No |
| metabolism | | | |
| Content in humans / g | 2 | 25 | 4-5 |
| Concentration in serum / (mmol·L-1) | 0.012-0.017 | 0.73-1.06 | 0.009-0.029 |
| Average daily intake in diet / mg | 8.6 | 329 | 1.1 |
| Recommended daily allowance / mg | 12-15 | 280-350 | 8-18[14] |
| IC50 osteoblasts / (mmol·L-1) | 0.09 | > 4.02 | 0.328-0.583 |
| IC50 oascular endothelial cells / (mmol·L-1) | 0.13 | 66.7 | |
| | | |
| LD50 / (mmol·L-1) | 350 | 5000 | 1300 |