Development of bioinert ceramic coatings by plasma spray technology
Author | Affiliation | |
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Brinkienė, Kristina | ||
Date |
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2010 |
Various bioinert ceramic coatings based on yttria stabilized zirconia (YSZ) and alumina deposited by atmospheric plasma spraying technique on stainless steel substrates were studied for investigation of their adherence and tribological behaviour.The properties of plasma sprayed coatings were investigated by scratch test and sliding test under conditions of dry and wet contact with reciprocating. By theresults, ceramic coatings with 15 and 85 wt. % of alumina exhibited improved wear resistance. Microstructural characterization of the worn surfaces was performed and the wear of coated surfaces was explained in terms of their morphology. The wear resistance of bioinert ceramic coatings under conditions investigatedwas determined by the microstructure and composition of the material.