Corrosion behaviour of porous Ti-39Nb alloy for biomedical applications

被引：101
作者：
Fojt, Jaroslav [1 ]
Joska, Ludek [1 ]
Malek, Jaroslav [2 ]
机构：
[1] Inst Chem Technol, Prague 16628, Czech Republic
[2] UJP Praha, Prague 15610, Czech Republic
来源：
CORROSION SCIENCE | 2013年 / 71卷
关键词：
Titanium; Alloy; Polarization; EIS; Crevice corrosion; FLUORIDE CONCENTRATION; CREVICE CORROSION; ELECTROCHEMICAL-BEHAVIOR; FEMORAL COMPONENTS; SURFACE-TREATMENT; TITANIUM-ALLOYS; NB ALLOYS; TI; RESISTANCE; PH;
D O I：
10.1016/j.corsci.2013.03.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The presented work was aimed to describe the effect of porosity on the corrosion behaviour of Ti-39Nb alloy produced by the powder metallurgy technology, which represents a prospective material for medical applications. Corrosion properties of specimens with a porosity ranging from 0% to 33% were studied in simulated body environments, using electrochemical techniques and exposure tests. The results of measurements proved the occurrence of a localized form of corrosion in the material with a porosity of 24% and 33%. Distinct localization of the corrosion process was recorded in an environment containing fluoride ions. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：78 / 83
页数：6
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