Preparation of tungsten carbide coating by supersonic spraying

Supersonic spraying of tungsten carbide coatings (such as WC-10Co4Cr and WC-17Co) offers high hardness, wear resistance, and corrosion resistance, making it widely used for protecting critical components under harsh operating conditions. The main application areas are as follows:

1. Aerospace

Aero-engine components: Turbine blades, compressor shafts, gears, etc., improving wear resistance.

Landing gear components: Reducing runway friction and particle erosion.

2. Energy and Power

Hydraulic turbine blades: Resisting silt erosion and cavitation.

Gas turbine components: Such as gas turbine blades, enhancing high-temperature wear resistance.

Nuclear power plant valves: Preventing corrosion and particle abrasion.

3. Petroleum and Chemical Industry

Drilling tools: Drill rods, pump valves, etc., extending service life in sandy and highly corrosive media.

Chemical pump sealing rings: Reducing wear from chemical media and particles.

4. Shipbuilding and Marine Engineering

Propeller shafts: Preventing seawater corrosion and cavitation.

Seawater pump components: Improving salt spray and abrasion resistance.

5. Industrial Machinery

Hydraulic piston rods: Reduce seal wear and prevent corrosion.

Rolls and dies: Improve wear resistance and extend service life.

Textile machinery guide rollers: Reduce fiber friction loss.

6. Automotive and Rail Transportation

Engine valve rods: Reduce friction and high-temperature oxidation.

Railway braking components: Improve wear resistance.

7. Other Special Applications

Gun barrels and cannon barrels (military): Enhance resistance to ablation and wear.

Supersonic spraying of tungsten carbide coatings significantly extends component life and is suitable for high-wear, high-corrosion, or high-temperature environments. It is an important surface strengthening technology in industrial fields.