Review Article
Surface Activation and Pretreatments for Biocompatible Metals and Alloys Used in Biomedical Applications
Table 3
Average rate of hydrogen evolution for various Mg alloys [
60].
| Substrate | Average rate of hydrogen evolution (mL/cm2/day) |
| CP-Mg (Commercial Purity) | 26 |
| ZE41 (~4 wt% Zn, ~1 wt% RE, 0.4-1 wt% Zr, ~0.005 wt% Fe, ~0.1 wt% Cu and ~0.01 wt% Ni) | 1.502 |
| HP-Mg (High Purity) | 0.008 |
| Mg1.0Zn (~1.0 wt% Zn, ~0.02 wt% Fe, <0.002 wt% Cu and <0.001 wt% Ni) | 0.280 |
| AZ91 (~9 wt% Al, ~1 wt% Zn, ~0.005 wt% Fe, <0.002 wt% Cu, and <0.002 wt% Ni) | 0.068 |
| Mg2Zn0.2Mn (~2 wt% Zn, ~0.2 wt% Mn, 0.0013 wt% Fe, <0.002 wt% Cu, <0.001 wt% Ni) | 0.012 |
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