Research Article
Corrosion Performance of Cu-Based Coins in Artificial Sweat
Table 1
Chemical composition of the Cu-based coins (wt.%).
| | Alloy | Ni | Zn | Al | Mn | Sn | Cu |
| | Cu | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | 99.99 | | 23Ni | 23.0 | — | — | — | — | Bal | | 32Zn | — | 31.5 | — | — | — | Bal | | 10Ni25Zn | 9.7 | 25.5 | — | — | — | Bal | | 13Ni17Zn | 13.0 | 17.0 | — | — | — | Bal | | 15Ni22Zn | 14.5 | 22.0 | — | — | — | Bal | | 8Ni27Zn | 8.5 | 27.0 | — | — | — | Bal | | 6Al2Ni | 2.0 | — | 6.0 | — | — | Bal | | 13Zn6Mn4Ni | 3.6 | 13.3 | — | 6.0 | — | Bal | | 6Zn5Al1Sn | — | 6.0 | 5.5 | — | 1.2 | Bal |
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