Influence of oxidation treatment on fatigue and fatigue-induced damage of commercially pure titanium

被引：32

作者：

Leinenbach, C. ^{[1
]}

Eifler, D. ^{[2
]}

机构：

[1] EMPA Swiss Fed Labs Mat Testing & Res, Lab Joining & Interface Technol, CH-8600 Dubendorf, Switzerland

[2] Univ Kaiserslautern, Inst Mat Sci & Engn, Kaiserslautern, Germany

来源：

ACTA BIOMATERIALIA | 2009年 / 5卷 / 07期

关键词：

Titanium oxide; Orthopaedic implant material; Cyclic deformation behaviour; Fatigue; Surface damage; CYCLIC DEFORMATION-BEHAVIOR; CORROSION; TI6AL4V; ALLOYS; TIO2; GLASSES; LAYERS; FILMS;

D O I：

10.1016/j.actbio.2009.03.029

中图分类号：

R318 [生物医学工程];

学科分类号：

100103 [病原生物学];

摘要：

In this investigation, the cyclic deformation behaviour of commercially pure titanium was characterized in axial stress controlled constant amplitude and load increase tests, as well as in rotating bending tests. The influence of different clinically relevant surface treatments (polishing, thermal and anodic oxidizing) on the fatigue behaviour was investigated. All tests were realized in oxygen-saturated Ringer's solution. The cyclic deformation behaviour was characterized by mechanical hysteresis measurements. In addition, the change of the free corrosion potential and the corrosion current during the fatigue tests in simulated physiological media indicated such types of surface damage as slip bands, microcracks and oxide film ablation. Microstructural changes on the specimen surfaces were examined by scanning electron microscopy. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：2810 / 2819

页数：10

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