In situ impedance spectroscopy study of the electrochemical corrosion of Ti and Ti-6Al-4V in simulated body fluid at 25 °C and 37 °C

被引：250

作者：

Alves, V. A. ^{[1
]}

Reis, R. Q. ^{[2
]}

Santos, I. C. B. ^{[2
]}

Souza, D. G. ^{[2
]}

Goncalves, T. de F. ^{[3
]}

Pereira-da-Silva, M. A. ^{[4
,5
]}

Rossi, A. ^{[1
]}

da Silva, L. A. ^{[1
]}

机构：

[1] Univ Fed Triangulo Mineiro, Inst Educ, Curso Licenciatura Quim, BR-38025440 Uberaba, MG, Brazil

[2] Univ Fed Vales Jequitinhonha & Mucuri, Fac Ciencias Biol & Saude, Dept Farm, BR-39100000 Diamantina, MG, Brazil

[3] Univ Fed Vales Jequitinhonha & Mucuri, Fac Ciencias Exactas & Sociais Aplicadas, Dept Quim, BR-39100000 Diamantina, MG, Brazil

[4] Univ Sao Paulo, Inst Fis, Sao Carlos, SP, Brazil

[5] Ctr Univ Cent Paulista, Sao Carlos, SP, Brazil

来源：

CORROSION SCIENCE | 2009年 / 51卷 / 10期

关键词：

Alloy; Titanium; EIS; Polarisation; Passive films; TITANIUM-ALLOYS; PHYSIOLOGICAL SOLUTION; PASSIVE FILMS; ANODIC FILMS; BEHAVIOR; OXIDE; AL; BIOMATERIALS; RESISTANCE; STABILITY;

D O I：

10.1016/j.corsci.2009.06.035

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion resistance of Ti and Ti-6Al-4V was investigated through electrochemical impedance spectroscopy, EIS, potentiodynamic polarisation curves and UV-Vis spectrophotometry. The tests were done in Hank solution at 25 degrees C and 37 degrees C. The EIS measurements were done at the open circuit potential at specific immersion times. An increase of the resistance as a function of the immersion time was observed, for Ti (at 25 degrees C and 37 degrees C), and for Ti-6Al-4V (at 25 degrees C), which was interpreted as the formation and growth of a passive film on the metallic surfaces. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2473 / 2482

页数：10

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