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The paper was focused on research of selected aspects of ceramic coatings prepared by thermalspraying with water plasma arc stabilization. Before spraying, the steel substrate low carbonsteel of grade S235JRG2 was pre-treated by blasting with using the brown corundum as ablasting media. A ceramic matrix of coating - zircon silicate was used in two types: ZrSiO4applied by flame thermal spraying on nickel interlayer and composite of ZrSiO4 with differentaddition of nickel (6, 12 and 16 wt. %). The basic characteristics of ceramic coatings weredetermined by thickness and microhardness measurement. The fracture surfaces weredocumented by SEM. Adhesive and abrasive properties were evaluated by pull-off adhesion testand abrasive wear test. The results showed that the composite coatings on ZrSiO4 basis with theaddition of Ni meet the increased requirements for abrasion resistance while maintainingsufficient adhesion. The addition of Ni to a ceramic matrix of coating improved the finalstructure of coatings and it had a positive effect on the resulting adhesion. On the other hand,with the increasing of Ni addition the microhardness values of coatings decreased.

SELECTED ASPECTS OF CERAMIC COATINGS PREPARED BY THERMAL SPRAYING WITH WATER PLASMA ARC STABILIZATION