Preparation and properties of anti-static coating on the 3Y-TZP ceramics

Abstract Anti-static coating on the 3Y-TZP ceramics was prepared through adding ZnO and SnO 2 to the glaze. Wettability and surface resistivity of the coating was studied. Dissolving, crystallization and distribution of ZnO and SnO 2 in the coating were analyzed. Static dissipative mechanism of the coating was explored. The results showed that the interface bonding and wetting between the coating and 3Y-TZP were perfect. The surface resistivity of the coating could be reduced to 10 7 Ω/□. ZnO was helpful to improve the wettability of the coating and inhibit the crystallization of the SiO 2 . ZnO and SnO 2 dissolved in the glaze and the semi-conductive composition rich melt layer around SnO 2 was formed. The melt layer contacted each other and the static dissipative network was established, which attributed to the anti-static properties of the coating.