Abstract
The effect of microwave plasma treatment on corrosion resistance of Ni-base amorphous alloy coatings (Ni-W, Ni-W-B, Ni-Mo-P) was investigated. It was found that the treatment improved their corrosion resistance in H 2SO 4, HNO 3, HCl solutions. The microwave plasma treated ammorphous Ni-W composite coatings (with 5wt% ZrO 2 or Al 2O 3 particles) exhibited higher oxidation resistance during the heating at 700°C for 1-28h. As anodic polarization curve indicated, the microwave plasma treated amorphous Ni-W composite coating had wider passivity potential range. The corrosion resistance of Ni-base amorphous alloy coating was dependent on the power and time of microwave plasma treatment.
| Original language | English |
|---|---|
| Pages (from-to) | 71-XVIII |
| Journal | Journal of the Chinese Society of Corrosion and Protection |
| Volume | 18 |
| Issue number | 1 |
| State | Published - 1998 |
| Externally published | Yes |
Keywords
- Amorphous alloy coating
- Corrosion resistance
- Microwave plasma treatment
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