Synthesis of Ceramic Materials Based on Titanium Carbide with a Cobalt Binder for the Pulsed Electrospark Deposition of Bioactive Coatings with an Antibacterial Effect

The goal of this study was to produce biocompatible ceramic materials in the Ti–C–Co–Ca3(PO4)2–Ag–Mg system by combustion mode synthesis. The influence of cobalt on combustion parameters of the mixture, structure, and properties of the products was investigated. Compact ceramics consist of a combined grain frame of nonstoichiometric titanium carbide (TiC0.5–TiC0.6) with the titanium phosphate (Ti3POx) phase homogeneously distributed along grain boundaries and local isolations of calcium oxide (CaO). The introduction of cobalt promotes the formation of a complex phosphide CoTiP and TiCo intermetallic compound. Alloying with silver and magnesium leads to the formation of a silver-based solid solution.