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The effect of the sliding speed on friction and wear characteristics of plasma-sprayed ceramic coatings (Al2O3-13% TiO2, ZrO2-8% Y2O3, Al2O3-modified) was studied. Plasma-sprayed coatings are not hard and have high layered structure. Abrasion of coatings in the friction pair with steel and bronze counter-bodies occurs through brittle detachment conglomerated regions with low cohesive resistance. The...
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