Journal
SCIENTIFIC REPORTS
Volume 11, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-021-98052-2
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Funding
- Fundacion para la Promocion de la Investigacion y la Tecnologia
- Division for Investigation of the Universidad Nacional de Colombia (DIB) Bogota-Colombia Project HERMES [48286]
- LABCYP Corrosion and Protection Laboratory of the University of Cadiz
- Materials Science Institute of Aragon, CSIC University of Zaragoza
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ZrN-ZrOxNy and ZrO2-ZrOxNy coatings were deposited on 316L stainless steel substrates to improve corrosion resistance and evaluate biocompatibility with bone cells. Various analysis techniques confirmed the coatings' barrier-type protection against corrosion and the ability to support the growth of osteoblast cells, showing potential for use in osteosynthesis processes.
ZrN-ZrOxNy and ZrO2-ZrOxNy coatings were deposited on 316L stainless steel substrates via the unbalanced DC magnetron sputtering technique in order to improve their corrosion resistance and evaluate their possible use as a coating biocompatible with bone cells. The composition, structure, morphology, and corrosion resistance were studied by sum means of x-ray photoelectron spectroscopy (XPS), x-Ray diffraction (XRD), scanning electron microscopy (SEM), and atomic force microscopy (AFM). The corrosion resistance was evaluated in 3.5 wt.% NaCl using potentiodynamic polarization (PL) and electrochemical impedance techniques (EIS). The ZrN-ZrOxNy and ZrO2-ZrOxNy coatings exhibited barrier-type protection of the substrate against corrosion. The growth of mouse osteoblast cells was evaluated in the coating that exhibited the greatest resistance to corrosion, ZrO2-ZrOxNy, finding that the cell viability was maintained, so this material can be considered to be a candidate for use in osteosynthesis processes.
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