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       The conventional use of chrome plating has a certain protective effect on the surface of the piston rod, but it is found that the surface of the piston rod is still severely worn after 1-2 years. The chrome plating layer around some of the worn areas has been peeled off and the area is severely corroded, and the coating is partially corroded. This is because the chrome layer is thin and has insufficient hardness and wear resistance. It is easy to wear and even wear. The chromium layer has hydrogen induced cracks, and rust occurs directly on the substrate surface. Corroded and peeled off.





Thermal sprayed zirconia coating is one of the most suitable coatings for piston rod surface strengthening due to its excellent wear resistance and corrosion resistance, and can be prepared by thermal flame spraying technology. The surface of the piston rod forms a dense coating and adheres well to the substrate. Analysis and analysis of the preparation and properties of thermal sprayed zirconia coatings have positive implications for the application of coatings on piston rod surfaces.

Wococarbide

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