THE CHARACTERIZATION OF ANODIC OXIDE LAYERS ON SELECTED BIO-COMPATIBLE TITANIUM ALLOYS

Authors

  • Jan Krčil Faculty of Mechanical Engineering, CTU in Prague http://orcid.org/0000-0002-5746-7651
  • Vladimír Mára Faculty of Mechanical Engineering, CTU in Prague
  • Stanislav Krum Faculty of Mechanical Engineering, CTU in Prague
  • Jana Sobotová Faculty of Mechanical Engineering, CTU in Prague

DOI:

https://doi.org/10.14311/AP.2018.58.0240

Keywords:

titanium, niobium, TiNb, anodic oxidation, oxide layers, surfaces

Abstract

Oxide layers on titanium alloy surfaces have an influence on bio-compatibility and corrosion resistance. In order to improve them, properties of oxide layers are examined. The oxide layer can be prepared by different methods and under various conditions. This results in a creation of layers showing different composition, structure, properties, stability, adhesion and biocompatibility. In the presented paper, samples of three titanium alloys were used: Commercially Pure (CP) titanium grade 2, Ti6Al4V alloy and -titanium alloy Ti-39 wt.% Nb. Samples were anodically (1MH2SO4 / 100V/ 1 hour) oxidized. Changes in surface colouration and roughness were observed. The thickness of oxide layers was measured using a scanning electron microscope (SEM). The SEM was then used for observation of the surface topography of oxidized samples. The chemical composition of the surface layers was defined by X-ray photoelectron spectroscopy (XPS).

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Author Biographies

Jan Krčil, Faculty of Mechanical Engineering, CTU in Prague

Department of Materials Engineering

Vladimír Mára, Faculty of Mechanical Engineering, CTU in Prague

Department of Materials Engineering

Stanislav Krum, Faculty of Mechanical Engineering, CTU in Prague

Department of Materials Engineering

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Published

2018-08-30

How to Cite

Krčil, J., Mára, V., Krum, S., & Sobotová, J. (2018). THE CHARACTERIZATION OF ANODIC OXIDE LAYERS ON SELECTED BIO-COMPATIBLE TITANIUM ALLOYS. Acta Polytechnica, 58(4), 240–244. https://doi.org/10.14311/AP.2018.58.0240

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Section

Articles