title: Electrochemical comportment of Ni-Ti alloys immersed in two types of artificial saliva.
abstract: The main objective of this work was to study the electrochemical behavior of Ni-Ti alloy immersed in two types of artificial saliva: neutral saliva (Ringer's solution, pH = 7.4) and acidic saliva (Fusayama solution pH ∼ 2.3). This study was conducted by the application of various electrochemical methods [monitoring of the corrosion potential over time; E = f(t), polarization curves; j = f(E), and electrochemical impedance spectroscopy EIS]. The overall results showed that the acidification of the saliva and/or the increase of its temperature causes the ignition of the corrosion phenomena of the Ni-Ti alloy. Indeed, the corrosion rate increases significantly with increasing temperature and the decreasing of the pH medium. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 778-784, 2017.
authors.affiliation: Faculty of Sciences of Gabes, University of Gabes, Cité Erriadh 6072, Zrig, Tunisia.
authors.forename: Houda
authors.initials: H
authors.lastname: Othman
authors.affiliation: High Institute of Applied Biology of Medenine, University of Gabes, Route El Jorf, El Fja 4111, B.P.522, Tunisia.
authors.forename: Naceur
authors.initials: N
authors.lastname: Etteyeb
mesh_terms: D000497:Alloys / Q000737:chemistry*; D000818:Animals; D003343:Corrosion; D055664:Electrochemical Techniques; D006801:Humans; D006863:Hydrogen-Ion Concentration; D012463:Saliva / Q000737:chemistry*
chemical_list: D000497:Alloys; C013616:nitinol
keywords: artificial saliva; electrochemical; nickel-titanium alloys