Hvof Process
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Hvof Process


Description :

Hvof Process(High Velocity Oxy Fuel Spray System):

HVOF system used to develop wear resistant coatings for Aero engine, Power, Paper, Oil & refinery Sectors.

Process description:

In High Velocity Oxy Fuel (HVOF) Spray System, Continuous combustion of the oxygen and fuel gas occurs in the combustion chamber and the resulting hot, high pressure gas is allowed to expand and accelerate through orifices into the nozzle. A carefully measured flow of powder is introduced axially into the nozzle, allowing sufficient heating and acceleration of the powder particles. The powder is heated and accelerated by the products of the combustion, usually to temperatures above its melting point and to velocities approaching supersonic velocities.

Sailent Features

  • Coatings are very hard, clean and dense
  • Coatings has low compressive stresses
  • Coatings has very high bond strength
  • Coatings has high surface finish
  • Coating characteristics are superior than Flame spray , Wire arc and Plasma spray coatings

Typical Coatings:

  • Anti – Wear Coatings
  • Anti - Corrosion Coatings
  • Metallic Coatings

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