HVOF

High Velocity Oxygen Fuel Spraying

Typical Spray Coats

  • Ni-/Co alloys / stainless (Stellite, Triballoy, Inconel)
  • Carbides/cermets (tungsten carbide, chromium carbide)
  • Material form: powder
  • Combustion of kerosene with oxygen
  • Flame temperature: 1,500-2,500 °C
  • Particle speed: 400-800 m/s

Applications

  • (High) wear resistance against erosion, abrasive wear, fretting
  • Corrosion resistance (tight) against gases, acids, salt water
  • Oxidation – and corrosion resistance
  • High bond and low porosity layers

Plasma spraying

Applications: wear resistance, corrosion resistance, thermal insulation, electrical insulation.

HVOF

Typical spray coatings: Ni-/Co alloys / stainless, carbides / cermets

Electrical wire spraying

Ni-/Fe base alloys/stainless steel, molybdenum/aluminium, copper and copper alloys, zinc, tin, etc

Autogenous wire spraying

Ni/Fe base alloys, molybdenum/aluminium, copper and copper alloys, zinc, tin, etc.

Autogenous powder spraying

Self-flowing alloys, Ni/Fe/Mo base materials, ceramics/cermets and ctr

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