HVOF Technology

The Principle Of HVOF Technology

High velocity oxygen fuel coating is a kind of method that a mixture of gaseous fuel and oxygen is fed into a combustion chamber, where they are ignited and combusted continuously. Meanwhile the coating material is fed into the high speed flow, heated and accelerated onto the surface of pre-treated substrate to form a coating. The flow speed of HVOF can reach 1500~2000m/s and normally 5-8 Mach cones can be observed, the particle flow rate can be up to 400 ~ 650m / s.

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Technology Advantage Of Hengli

  • Porosity of coating less than 1%; for special coating the porosity can be reduced to 0.5%
  • Higher bonding strength
  • Good coating hardness performance
  • Better impact resistance
  • Thicker coating thickness compared to plasma coating and chemical plating
  • Increasing the fatigue life of the coating components
  • Excellent resistance to abrasion
  • Outstanding corrosion resistance
  • Better surface finish quality

HengliExpoNite-Reliable Surface Coating Solution