Surface characterization of oxides grown on the Ti-13Nb-13Zr alloy and their corrosion protection

被引：77

作者：

Duarte, Lais T. ^{[1
]}

Biaggio, Sonia R. ^{[1
]}

Rocha-Filho, Romeu C. ^{[1
]}

Bocchi, Nerilso ^{[1
]}

机构：

[1] Univ Fed Sao Carlos, Dept Quim, BR-13560970 Sao Carlos, SP, Brazil

来源：

CORROSION SCIENCE | 2013年 / 72卷

关键词：

Alloy; EIS; SEM; Anodic films; Oxide coatings; Passive films; MICRO-ARC OXIDATION; TITANIUM-ALLOYS; ELECTROCHEMICAL-BEHAVIOR; TI-6AL-4V; LAYERS; TI; HYDROXYAPATITE; RESISTANCE; LASER; BIOMATERIALS;

D O I：

10.1016/j.corsci.2013.02.007

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

Oxide films were formed on the biocompatible alloy Ti-13Nb-13Zr in a phosphate buffer at open-circuit potential (E-oc), potentiodynamically up to 8 V, or by micro-arc oxidation (MAO) at 300 V. Their electrochemical properties were assessed in a phosphate buffer saline solution (PBS). EIS and SEM results showed that the E-oc and potentiodynamically formed oxide films were compact and behave as a monolayer, while the MAO oxide was a bilayered film (compact inner and porous outer layers). Open-circuit potential and EIS resistance values indicated that the MAO oxide provides the best corrosion protection for the alloy in PBS. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：35 / 40

页数：6

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