Characterization of the surface layers formed on titanium by plasma electrolytic oxidation

被引：53

作者：

Krupa, Danuta ^{[1
]}

Baszkiewicz, Jacek ^{[1
]}

Zdunek, Joanna ^{[1
]}

Smolik, Jerzy ^{[2
]}

Slomka, Zbigniew ^{[2
]}

Sobczak, Janusz W. ^{[3
]}

机构：

[1] Warsaw Univ Technol, Dept Mat Sci & Engn, PL-02507 Warsaw, Poland

[2] Inst Terotechnol, PL-26600 Radom, Poland

[3] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland

来源：

SURFACE & COATINGS TECHNOLOGY | 2010年 / 205卷 / 06期

关键词：

Titanium; Plasma electrolytic oxidation; Corrosion resistance; IN-VITRO BIOACTIVITY; X-RAY-SCATTERING; MICROARC OXIDATION; OXIDE FILMS; ETHYLENE COPOLYMERS; COATINGS; CA; IMPLANTS; MICROSTRUCTURE; POLYETHYLENE;

D O I：

10.1016/j.surfcoat.2010.05.015

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper is concerned with the surface modification of titanium by the PEO method (plasma electrolytic oxidation) in the solutions which contain Ca P Si and Na The chemical composition of the thus formed surface layers was examined by XPS and EDS The morphology of the surface was observed by SEM The phase composition was determined by X-ray diffraction (XRD) The adhesive strength of the oxide layers was evaluated by the scratch-test The corrosion resistance was determined in a simulated body fluid (SBF) at a temperature of 37 C by electrochemical methods for various exposure times The oxide layers obtained were porous and enriched with Ca P Si and Na and their properties depended on the electrolyte solution and the parameters of the oxidation process The results of the electrochemical examinations show that the surface modification by PEO does not worsen the corrosion resistance of titanium after a 13 h exposure in SBF The electrochemical impedance spectroscopy (EIS) results indicate that the surface layers have a complex structure and that their electric properties undergo changes during long term exposures in SBF (C) 2010 Elsevier B V All rights reserved

引用

页码：1743 / 1749

页数：7

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