Magnetron Sputtering of Antibacterial and Antifungal Tantalum-Copper and Niobium-Copper Coatings on Three Dimensional-Printed Porous Titanium Alloy Scaffolds: Part I
Azamatov B. Alontseva D. Borisov A. Maratuly B. Dogadkin D. Safarova Y. Yamanoglu R.
2025Johnson Matthey Public Limited Company
Johnson Matthey Technology Review
2025#69Issue 176 - 87 pp.
This two-part study evaluates the antimicrobial efficacy of tantalum-copper and niobium-copper coatings, applied via magnetron sputtering (MS) on three dimensional (3D) printed porous Ti6Al4V (Ti-64) alloy scaffolds and gas-abrasive treated Ti-64 alloy, against Staphylococcus aureus and Candida albicans. Scanning electron microscopy (SEM) with energy-dispersive X-ray (EDX) analysis verified the application of coatings with 25 wt% copper, at thicknesses of 2 μm and 10 μm, to scaffolds (72% porosity) and roughened Ti-64 alloy (mean areal roughness of 4.6 ± 1 µm). The findings support the potential of these coatings in developing endoprosthesis implants with enhanced antimicrobial properties. Part I introduces the background research and describes the materials, methods and rationale for the present work.
additive manufacturing , bacterial resistance , magnetron-sputtered coating , selective laser melting , titanium endoprosthesis implants
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Smart Engineering Competence Centre, D. Serikbayev East Kazakhstan Technical University, 19 Serikbayev Street, Ust-Kamenogorsk, 070010, Kazakhstan
School of Digital Technologies and Artificial Intelligence, D. Serikbayev East Kazakhstan Technical University, 19 Serikbayev Street, Ust-Kamenogorsk, 070010, Kazakhstan
Laboratory of Bioengineering and Regenerative Medicine, National Laboratory Astana, Nazarbayev University, Astana, 010000, Kazakhstan
Department of Metallurgical and Materials Engineering, Faculty of Engineering, Kocaeli University, Kocaeli, 41001, Turkey
Smart Engineering Competence Centre
School of Digital Technologies and Artificial Intelligence
Laboratory of Bioengineering and Regenerative Medicine
Department of Metallurgical and Materials Engineering
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