Journal
CORROSION SCIENCE
Volume 53, Issue 3, Pages 992-999Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2010.11.033
Keywords
Alloy; EIS; SEM; AFM; Electrodeposited films
Funding
- Romanian CNCSIS - UEFISCSU [PN II - IDEI code 248/2010]
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A new titanium base Ti-6Al-4V-1Zr alloy covered with hydroxyapatite or bovine serum albumin/hydroxyapatite was characterized in this paper in order to be used as implant material. Following techniques were used: linear polarization, electrochemical impedance spectroscopy, scanning electronic microscopy, Fourier transform infrared spectroscopy and atomic force microscopy. For HA or BSA/HA covered alloy, the electric equivalent circuit contains two time constants (for the passive film and for coatings). The resistance of the protective films increased in time and BSA/HA coating was slightly rougher than HA coating, this situation being favourably to the cell adhesion. (C) 2010 Elsevier Ltd. All rights reserved.
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