Abstract
Ni-Al aluminide coating was deposited by electroplating of Ni and subsequent aluminisation while Ti-Al aluminide coating was deposited by aluminisation directly on Ti-based alloy. The corrosion performance of two coated samples with uncoated sample in marine environment in the presence of NaCl and water vapour at 700 °C were studied. Ni-Al coated sample showed the best corrosion resistance. Ti-Al coated sample showed severer corrosion in marine environment compared with that in static air due to self-sustainable oxychlorination process. The detrimental effect of Ti and beneficial effect of Ni-plating on self-sustainable oxychlorination in marine environment are discussed.
| Original language | English |
|---|---|
| Article number | 110750 |
| Journal | Corrosion Science |
| Volume | 209 |
| DOIs | |
| State | Published - Dec 2022 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
Keywords
- Chlorination
- Diffusion coating
- High temperature corrosion
- Nickel
- Ti-based alloy
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