Effect of sodium-ion implantation on the corrosion resistance and bioactivity of titanium

被引：14
|
作者：
Krupa, D
Baszkiewicz, J
Rajchel, B
Barcz, A
Sobczak, JW
Bilinski, A
机构：
[1] Warsaw Univ Technol, PL-02507 Warsaw, Poland
[2] Inst Nucl Phys, PL-31342 Krakow, Poland
[3] Inst Electr Mat Technol, PL-02668 Warsaw, Poland
[4] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland
来源：
VACUUM | 2005年 / 78卷 / 2-4期
关键词：
titanium; implantation; sodium; bioactivity; corrosion;
D O I：
10.1016/j.vacuum.2005.01.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The corrosion resistance and bioactivity of titanium after sodium-ion implantation were examined. Polished samples were implanted with a dose of 10(17) Na+/cm(2) at a beam energy of 25 keV. The chemical composition of the surface layer formed during the implantation was determined by X-ray photoelectron spectroscopy (XPS) and secondary ion mass spectrometry (SIMS). The bioactivity of the samples was evaluated by soaking them in a simulated body fluid (SBF) at 37 degrees C for 168 and 720 h. The corrosion resistance in SBF at 37 degrees C was determined by electrochemical methods after exposure in SBF for various times. The results obtained indicate that sodium-ion implantation improve the corrosion resistance after short-term exposures. During an exposure in SBF, calcium phosphates precipitate on the sample surface but they do not form a continuous layer. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：161 / 166
页数：6
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