Galvanic corrosion of titanium-based dental implant materials

被引：35

作者：

Arslan, Halit ^{[2
]}

Celikkan, Hueseyin ^{[3
]}

Oernek, Nisa ^{[4
]}

Ozan, Oguz ^{[4
]}

Ersoy, A. Ersan ^{[4
]}

Aksu, M. Levent ^{[1
]}

机构：

[1] Gazi Univ, Gazi Educ Fac, Dept Chem Educ, TR-06500 Ankara, Turkey

[2] Gazi Univ, Arts Sci Fac, Dept Chem, TR-06500 Ankara, Turkey

[3] Mineral Res & Explorat Inst, Ankara, Turkey

[4] Ankara Univ, Fac Dent, TR-06500 Ankara, Turkey

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 2008年 / 38卷 / 06期

关键词：

galvanic corrosion; Ti-based dental materials; Tafel plots; electrochemical impedance spectroscopy;

D O I：

10.1007/s10800-008-9523-5

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

This paper describes an investigation of the corrosion behavior of Ti-based dental materials with Au, CrNi and CoCr in Ringer solution by the use of Tafel plots, Evans diagrams and EIS Nyguist diagrams. The galvanic potentials and currents obtained for various implant couples are as follows: For, Ti6Al4V/CrNi couple -0.030 V (Ag/AgCl (3 M NaCl)) and 7.94 mu A cm(-2); for Ti6Al4V/CoCr couple -0.020 V (Ag/AgCl (3 M NaCl)) and 7.08 mu A cm(-2); for Ti6Al4V/Au couple -0.020 V (Ag/AgCl (3 M NaCl)) and 5.62 mu A cm(-2). The Ti6Al4V/Au couple was found to be the most suitable one against galvanic corrosion according to both the Tafel method and mixed potential theory. The corrosion behaviors of Ti6Al4V/CoCr and Ti6Al4V/CrNi couples were found to be similar.

引用

页码：853 / 859

页数：7

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