Table 7 Chemical composition of corrosion products after electrochemical tests in a 3.5% NaCl solution of the CoCrFeNiNbx plates based on the EDX point analysis.
Sample | Content [at%] | |||||
|---|---|---|---|---|---|---|
Co | Cr | Fe | Ni | Nb | O | |
CoCrFeNiNb0.25 as-prepared | 23.53 | 23.53 | 23.53 | 23.53 | 5.88 | - |
CoCrFeNiNb0.25 post corrosion | 12.9 | 16.0 | 15.1 | 12.5 | 5.1 | 38.3 |
CoCrFeNiNb0.45 as-prepared | 22.47 | 22.47 | 22.47 | 22.47 | 10.12 | - |
CoCrFeNiNb0.45 post corrosion | 11.6 | 14.3 | 12.5 | 12.0 | 9.4 | 40.8 |
CoCrFeNiNb0.65 as-prepared | 21.505 | 21.505 | 21.505 | 21.505 | 13.98 | - |
CoCrFeNiNb0.65 post corrosion | 10.9 | 14.4 | 13.1 | 9.7 | 11.3 | 40.6 |
