The plasma flame is created by generating an arc in an environment of high purity gases. As a result, the flame temperature can rise to 20,000 °C. The spray material that is used during plasma spraying is introduced into the plasma after which it melts. It is sprayed onto the substrate at a high speed.
This technique is extremely suitable for applying high melting point materials, for example ceramic materials that are injected into the plasma flame in powder form. Due to the high kinetic energy, these particles are transported to the workpiece. A coating forms.
Due to these and other positive properties of the plasma spraying, it promotes the following properties of the base material:
- Wear resistance
- Corrosion resistance
Applicable materials (NEN-EN 1274)
Aluminum Oxide Base Al2O3, Al2O3/TiO2, Al2O3/ZrO2, Al2O3/MgO
Chromium Oxide Base Cr2O3, Cr2O3/TiO2, Cr2O3/SiO2/TiO2
Titanium Oxide Base TiO2
Zirconium Oxide Base ZrO2Y2O3, ZrO2/YMgO, ZrO2/CaO
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