FEATURES OF OBTAINING A MAGNETRON COATING ON Ti-6Al-4V ALLOY WITH VARIOUS COPPER CONTENT

In the modern world, metals play an invaluable role in various industries. Medical engineering has become an important area of development in modern metallurgy. The disadvantage of Ti-6Al-4V alloy is microbial colonization on its surface, as well as the release of toxic aluminum and vanadium metals into the surrounding tissues, so research on improving the anti-corrosion and antibacterial properties of Ti6Al4V alloy is currently a serious problem. Two-component metal coatings based on Cu-Ta and Cu-Nb were obtained by magnetron sputtering with joint spraying of targets made of pure metals Cu, Nb, Ta. It was found that coatings with a thickness of 10 microns demonstrated a different degree of antimicrobial efficacy during two days of testing: the maximum inhibition zone of the Ta-Cu coating reached 24.0 mm for S. Aureus and 17.0 mm for C. Albicans. For the Nb-Cu coating with a thickness of 10 microns, the maximum inhibition zone reached 25.0 mm for S. Aureus and 15.5 mm for C. Albicans. It has been shown that with the same thickness, Ta-Cu coatings are better suited to protect the endoprosthe-sis from microbial infections than Nb-Cu coatings. Keywords: magnetron, metals, alloy, coating, copper.