Plasma Spraying
There are several types of plasma spraying. We use the Air Plasma Spraying (APS) technique. The nozzle of the burner consists of a tungsten cathode and copper anode.
There are several types of plasma spraying. We use the Air Plasma Spraying (APS) technique. The nozzle of the burner consists of a tungsten cathode and copper anode. Gas is ionized in the electric arc that burns between the two. This generates a plasma jet into which the spraying material (powder) is introduced, either radially or axially. The material melts and is propelled towards the surface that requires coating.
Spraying parameters:
- Coating thickness: 0.05 to 0.3 (max. 8.0) mm
- Porosity: 2-8%
- Adhesion: 20-70 Mpa
Spraying materials:
- Metals and metal alloys with low or intermediate melting points
- Ceramics
- Cermets
A mixture of oxygen and kerosene (HVOF liquid fuel), oxygen and propane/ethylene (HVOF gas fuel), or oxygen and a propane–propylene or propane-natural gas mix (HVAF) burns continuously.
The material in the form of wire or powder enters the ignited mixed gas (oxy-acetylene, propane-butane, propylene) where it is propelled towards the surface, substrate material which is being coated.
An electric arc burns between two metallic wires, which produces molten particles of material. These particles are propelled by compressed air towards the surface that requires coating.
Equipped with machining centre and tools for machining and milling of applied metal, ceramic, and ceramic-metal coatings.
We provide blasting for coated surfaces of components in accordance with relevant and required standards neccessary for preparation of surfaces before Thermal Spray applications.
