HVOF - High Velocity Oxygen Fuel Thermal Spray Coating
BryCoat Thermal Spray Coating Processes HVOF-High Velocity Oxygen Fuel
- Supersonic jet technology
- Burns a mix of fuel, such as Hydrogen (H2), with Oxygen (O2)
- Tail flame is accelerated through nozzle to supersonic velocity
- Powder coating source material is injected into flame
- Particles travel at supersonic velocity to substrate
- Powder is heated to moderate temperatures in the flame
- Lower thermal energy/higher kinetic energy compared to other types of thermal spray
- Highest bond strength thermal spray process
- Low oxidation of coating materials
Resulting Properties
- Process of choice for high quality wear resistant coatings
- Highest density thermal spray coatings
- Outstanding adhesion
- Extremely High Bond Strength
- Uniform Coating
- Excellent Wear Resistance (Carbides)
- Excellent Corrosion Resistance
- Low Application Temperature
- Low Residual Stresses
- Higher Impact Resistance
- Neutral to Compressive Residual Stress (Greater thickness capability)
- Less Chipping & Peeling vs. other Thermal Spray Processes
Detonation Gun, D-Gun*, Super D-Gun*
- Coatings applied by Detonation Gun compare to coatings by HVOF process
- Older process than HVOF
- Is a high velocity coating process like HVOF
- Uses discrete pulses (explosions) of oxygen-fuel gas mixtures, instead of a continuous coating jet, to melt and propel powdered materials onto the surface of the substrate
- D-Gun* is a proprietary process (only one supplier available).
- * The names D-Gun and Super D-Gun are trademarks of the process owner
- BryCoat HVOF is an excellent alternative to D-Gun coatings!
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