Table 3.
In-vitro corrosion performance of Mg and Mg alloys after implantation of various ions.
| Substrate | Ion implanted | ionic oxide layer (nm) |
Ionic Penetration (nm) | In Vitro corrosion conditions | Icorr uncoated (A/cm2) |
Icorr Coated (A/cm2) |
Corrosion rate (mm/year) |
Ref. |
|---|---|---|---|---|---|---|---|---|
| AZ31 | Al | – | 13 | SBF, 37.5 °C | 2.82 × 10−5 | 3.36 × 10−5 | – | [184] |
| AZ91 | 1.50 × 10−4 | 5.82 × 10−5 | – | |||||
| ZK60 | Zr, O | 23 | 80 | SBF, 37 °C | 4.09 × 10−4 | 1.1 × 10−7 | – | [187] |
| WE43 | Ti, O | 32 | 64 | SBF | 3.27 × 10−4 | 1.44 × 10−5 | – | [191] |
| Mg–1Ca | Ag | 50 | 70 | Hank's solution, 37 °C | – | – | – | [186] |
| Fe | 70 | 110–120 | – | – | ||||
| Y | 95 | 105 | – | 0.69 ± 0.18 | ||||
| Pure Mg | Ce | 26 | 70 | Artificial Hand sweat | 1.06 × 10−4 | 3.99 × 10−5 | – | [183] |
| Ringer's solution | 4.18 × 10−5 | 2.68 × 10−5 | – | |||||
| DMEM | 2.04 × 10−5 | 5.20 × 10−6 | – | |||||
| Mg-Gd-Zn-Zr | Sn | – | 90 | SBF | 1.17 × 10−5 | 5.74 × 10−6 | – | [192] |
| AZ91 | Zr, N | 16 | 80 | NaCl | 4.26 × 10−6 | 1.16 × 10−6 | – | [190] |
| DMEM | 1.08 × 10−5 | 3.92 × 10−7 | – | |||||
| Mg–1Ca | Zn | – | 150 | SBF, 37 °C | 2.48 × 10−4 | 3.21 × 10−4 | – | [193] |
| Pure Mg | Ca | 45 | 30 | SBF, 37.5 °C | 1.61 × 10−4 | 1.00 × 10−4 | – | [182] |
| Zn | 1.40 × 10−4 | – | ||||||
| AZ31 | N | – | 200 | Hank's solution, 37 °C | – | – | – | [194] |
| Pure Mg | Zr | 30 | 60 | SBF | 5.26 × 10−5 | 1.99 × 10−5 | – | [195] |