Surface phosphating is a surface treatment method used to improve the corrosion resistance and lubricity of metal parts. The use of surface phosphating on the engine piston can increase its wear and corrosion resistance.
Surface phosphating is usually performed using a phosphate solution, which contains phosphates and other additives. Phosphate can react with the metal surface to form a phosphide coating, which increases the hardness and wear resistance of the metal surface.
The phosphating piston surface has high hardness and wear resistance, which can reduce the friction between the piston and the cylinder and extend the service life of the piston. In addition, phosphating can also provide a lubricating film, reducing friction and wear on the metal surface.In short, surface phosphating can significantly improve the quality and durability of engine pistons, making them more wear-resistant, corrosion-resistant, and extend their service life.
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