Sphene coatings were prepared by a novel process involving the use of a preceramic polymer containing nanosized and micro-sized active fillers as precursors for the formation of the desired ceramic phase. A commercially available airbrush was used to cold-spray the suspension on the cpTi substrate, and the samples were heat treated to transform the precursor and fillers mixture into a ceramic coating. The processing conditions were optimized in order to obtain cracks free coatings, characterized by good adhesion to the substrate and a desired phase assemblage.
Polymer-derived sphene biocoating on cpTi substrates for orthopedic and dental implants
BIASETTO, LISA;ELSAYED, HAMADA SAID ABDELWAHAB;BONOLLO, FRANCO;COLOMBO, PAOLO
2016
Abstract
Sphene coatings were prepared by a novel process involving the use of a preceramic polymer containing nanosized and micro-sized active fillers as precursors for the formation of the desired ceramic phase. A commercially available airbrush was used to cold-spray the suspension on the cpTi substrate, and the samples were heat treated to transform the precursor and fillers mixture into a ceramic coating. The processing conditions were optimized in order to obtain cracks free coatings, characterized by good adhesion to the substrate and a desired phase assemblage.
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