Journal of Materials Science: Materials in Medicine

, Volume 21, Issue 6, pp 1959–1968

In vitro biocompatibility and corrosion resistance of a new implant titanium base alloy

Authors

    • Institute of Physical Chemistry “Ilie Murgulescu”
  • P. Drob
    • Institute of Physical Chemistry “Ilie Murgulescu”
  • D. Raducanu
    • Faculty of Material Science and EngineeringPolitehnica University
  • V. D. Cojocaru
    • Faculty of Material Science and EngineeringPolitehnica University
  • I. Cinca
    • Faculty of Material Science and EngineeringPolitehnica University
  • D. Iordachescu
    • Department of Biochemistry and Molecular BiologyBucharest University
  • R. Ion
    • Department of Biochemistry and Molecular BiologyBucharest University
  • M. Popa
    • Institute of Physical Chemistry “Ilie Murgulescu”
  • C. Vasilescu
    • Institute of Physical Chemistry “Ilie Murgulescu”
Article

DOI: 10.1007/s10856-010-4057-x

Cite this article as:
Vasilescu, E., Drob, P., Raducanu, D. et al. J Mater Sci: Mater Med (2010) 21: 1959. doi:10.1007/s10856-010-4057-x

Abstract

One objective of this work was to study the corrosion resistance of the new implant Ti–10Zr–5Ta–5Nb alloy in physiological fluids of different pH values, simulating the extreme functional conditions. Another objective was in vitro biocompatibility evaluation of the new alloy using human fetal osteoblast cell line hFOB 1.19. Cytocompatibility was assessed by determination of possible material cytotoxic effects, cell morphology and cell adhesion. The thermo-mechanical processing of the new implant alloy consisted in plastic deformation (almost 90%) performed by hot rolling accompanied by an initial and final heat treatment. The new Ti–10Zr–5Ta–5Nb alloy presented self-passivation, with a large passive potential range and low passive current densities, namely, a very good anticorrosive resistance in Ringer solution of acid, neutral and alkaline pH values. Cell viability was not affected by the alloy substrate presence and a very good compatibility was noticed.

Copyright information

© Springer Science+Business Media, LLC 2010