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Characterisation and corrosion resistance of the electrodeposited hydroxyapatite and bovine serum albumin/hydroxyapatite films on Ti–6Al–4V–1Zr alloy surface.

Domenii publicaţii > Chimie + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: C. Vasilescu, P. Drob, E. Vasilescu, , I. Demetrescu, D. Ionita, M. Prodana and S.I. Drob

Editorial: Elsevier, Corrosion Science, 53, p.992–999, 2011.

Rezumat:

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 . 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,

Cuvinte cheie: EIS; . SEM; . AFM; C. filme electrodepuse // EIS; . SEM; . AFM; C. Electrodeposited films