Abstract
This paper discusses some properties of bioceramic bilayer coatings on Ti-6Al-4V substrates obtained by an integrated technology including microarc oxidation and detonation spraying of calcium phosphate (Ca-P) layers. Ca-P coatings were deposited from feedstock HAp parti-cles. As a result, bilayer systems were obtained: TiO2 (with a thickness of 2–3 μm) and sub-sequent Ca-P (with a thickness of 100–150 μm) coatings. These coatings were characterized by SEM, XRD and EDX. The coatings contained only biocompatible phases – anatase, hy-droxyapatite and tricalcium phosphate. No cytotoxic components have been registered. The stoichiometric ratio was Ca/P 1.56–1.86. The conclusion is made about the prospects of the proposed integrated technology for manufacturing bilayer ceramics to titanium implants.
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