Kamel Earar, CRISTIAN BUDACU, Daniel Mareci, Lucia Carmen Trinca, IULIA CHISCOP, CORINA CIUPILAN, ALEXANDRU ANDREI ILIESCU<br>In vitro Corrosion Study by Electrochemical and <br>Surface Analysis Techniques of the Hydroxyapatite<br>Sol-Gel Deposition on Commercially Pure Titanium

Kamel Earar, CRISTIAN BUDACU, Daniel Mareci, Lucia Carmen Trinca, IULIA CHISCOP, CORINA CIUPILAN, ALEXANDRU ANDREI ILIESCU
In vitro Corrosion Study by Electrochemical and
Surface Analysis Techniques of the Hydroxyapatite
Sol-Gel Deposition on Commercially Pure Titanium

Abstract:

Developments in the field of surgical implant materials are in progress which involves covering the metal implants with a layer, which may limit the leakage of metal ions and permitting a natural bonding to living tissues. The aim of this work is the production and characterization of sol-gel coatings for protection and bioactivation of metals used as standard surgical implant materials, such as commercially pure titanium (Cp-Ti). These films should both prevent degradation of the substrates by corrosion for inducing the formation of a hydroxyapatite (HA) rich layer onto the material surface. Formation of HA layers can be observed by soaking the material in phospho-calcium gel using scanning electron microscopy (SEM). Fourier transform infrared spectroscopy (FTIR) analysis was performed in order to emphasize the formation of the hydroxyapatite layer onto the Cp-Ti surface.The performance of the coated metal was evaluated in vitro by electrochemical impedance spectroscopy (EIS). Key words: Cp-Ti, hydroxyapatite, FTIR, SEM, EIS

Issue: 2016, Volume 67, Issue 12

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