Thermal spraying porcelain spray guide wheel Whether it is a mechanical part or a metal component, the most outstanding problem is the appearance of wear or corrosion or both.
1 Wear resistance — the largest application field of thermal spraying technology at high and low temperatures
2.High temperature resistance and oxidation resistance — This kind of coating is resistant to chemical or physical differentiation, improving the high temperature performance of parts.
3 Anti-corrosion coating – the selection of this kind of coating is more complicated, because the parts in service state, environmental temperature and various media have certain requirements for coating materials, generally using cobalt-based alloy, nickel-based alloy and oxide ceramics as coating materials, through improving the thickness of the coating, blocking the penetration of corrosive media; Reasonable selection of oxidation/reduction potential of coating materials and parts substrate, to prevent electrochemical corrosion, coated with corrosion inhibitor hole sealing agent.
4. Conductive coating or insulating coating
5 Restoration scale coating – This type of coating is mainly used to repair parts due to wear or machining out of whack. The choice of coating material mainly depends on the use requirements of the parts.
6. Clearance control coatings — This type of coating provides tight sealing clearance, significantly improving equipment performance and operation efficiency. When in contact with mating parts, the coating is preferred for controlled wear. Typical coatings are nickel/graphite, polyester aluminum mixture, aluminum/graphite coating.
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