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Controlled Atmosphere Plasma Spray (ChamPro)

Controlled Atmosphere Plasma Spray (ChamPro)

Controlled atmosphere plasma spraying (ChamPro) refers to coatings applied in a chamber, usually at near vacuum. It applies superior coatings characterized by high densities or very controlled porosities with extremely low contamination. With this method, we can achieve certain results not possible with any other thermal spray process, such as thin layers, ceramic structures, and the application of refractory metals.

Process basics
Heat source Plasma Arc
Material Powder (Ceramics, Plastics, Metal)
Arc temperature Approx. 16,000 °C
Particle velocity 200 – 400 m/s
Spray performance 35 – 100 g/min

 

 

 

Schematic diagram of a controlled atmosphere plasma process.

 

Key characteristics
  • Quickly produces thin, dense, full-coverage coatings
  • Capable of applying the full range of coating materials, including metals, ceramics, and cermets
  • Keeps the environment clean and safe as it’s a chambered process with full filtration package
Typical applications
  • Combustion chambers
  • Blades and vanes
  • Solid oxide fuel cells
  • Medical implants
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