HIGH VELOCITY OXYGEN FUELED THERMAL COATING SYSTEM (H.V.O.F.)
Basic Operating Principal
An oxygen and fuel (kerosene) mix is atomized after it passes through an opening and into the combustion chamber. It is then ignited creating a small jet stream. A special combination of alloys in powder form are instantaneously introduced into the combustion jet stream, melted, atomized and propelled towards the substrate at incredibly high velocities (supersonic speeds up to mach 3). The kinetic and thermal energy imparted to the particles cause the coating to be virtually bonded to the substrate.
HVOF is a relatively new coating method that provides high-density, extremely wear-resistant coatings. This system is more versatile for metallic and carbide coatings and provides resistance to wear parameters like erosion, corrosion, abrasion, sliding, fretting, heat and thermal resistance.
HVOF coatings have proven their worth in the most demanding industries and most extreme conditions. Pulp & paper, power generation, oil and gas industries, jet engines, sewage treatment, aerospace engineering, nuclear facilities, chemical plants, and marine environments are only a few of the places where HVOF has become an invaluable coating process.
- Are high in density, thickness and hardness
- Ensure exceptional corrosion-resistance to a wide variety of corrosive environments such as acidic conditions, hydrogen-rich air, salt water, etc.
- Hold up incredibly well to wear, abrasion and extreme heat
- Are essentially scratch-proof and will not chip
- Have zero porosity (no space between coating particles)
- Are bound to the substrate at strengths greater than 10,000 PSI
- Conform to and exceed environmental / safety standards