In-vitro results of biomaterials
| Characteristics | Biomaterials | ||
|---|---|---|---|
| 14-4-PH-SS | Ni-625 | Ti-6Al-4V | |
| Linear polarization resistance (Rp; Ω) | 26,400 | 162,000 | 479,000 |
| Anodic constant (βa) | 0.03451 | 0.10129 | 0.06884 |
| Cathodic constant (βc) | 0.17691 | 0.10664 | 0.17692 |
| Equivalent weight (EW; g/mol) | 27.92 | 29.34 | 11.96 |
| Density (ρ; g/cm3) | 7.8 | 8.44 | 4.45 |
| Exposer area (A; cm2) | 1.5 | 1.5 | 1.5 |
| Constant (K; mm/year) | 0.00327 | 0.00327 | 0.00327 |
| Corrosion current (Icorr; A) | 4.75 × 10–7 | 1.392 × 10–7 | 4.492 × 10–8 |
| Corrosion rate (CR; mm/year) | 3.70622 × 10–9 | 1.0552 × 10–9 | 2.63211 × 10–10 |