Abstract
The morphology and corrosion behaviour of the plasma-sprayed and laser-consolidated Cr, Mo and Cr-Mo coatings on the Fe-28Mn-7A1-1C alloy were investigated by means of scanning electron microscopy (SEM) and potentiodynamic measurements. SEM observations revealed that a multilayer of Cr and Mo was formed on the Cr-Mo plasma-spray coating. The chemical inhomogeneity in this coating was removed by the laser treatment. Potentiodynamic measurements showed that the laser-modified Mo plasma-spray coating passivates with difficulty in sulphuric acid solution. However, the addition of Cr to the Mo plasma-spray coating increases the ability of the laser-glazed surface alloy to passivate in sulphuric acid solution.
| Original language | English |
|---|---|
| Pages (from-to) | 95-100 |
| Journal | Thin Solid Films |
| Volume | 274 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - Mar 1996 |
Research Keywords
- Alloys
- Laser irradiation
- Plasma processing and deposition
- Surface melting
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