Hydrothermal-electrochemical CaTiO3 coatings as precursor of a biomimetic calcium phosphate layer

被引：35
|
作者：
Wiff, J. P.
Fuenzalida, V. M.
Arias, J. L.
Fernandez, M. S.
机构：
[1] Univ Chile, Dept Fis, Fac Ciencias Fis & Matemat, Santiago, Chile
[2] Univ Chile, Fac Ciencias Vet, Santiago, Chile
[3] Ctr Invest Interdisciplinaria Avanzada Ciencia Ma, Santiago, Chile
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 13期
关键词：
titanium; coating; calcium titanate; biocompatibility; hydrothermal; SBF;
D O I：
10.1016/j.matlet.2006.06.092
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The hydrothermal-electrochemical method was used to coat Ti and Ti6Al4V with calcium titanate CaTiO3. The film exhibited a plate-Re structure with several isolated pinholes around 100 nm in diameter. These coated samples were treated by a biomimetic procedure, immersing them in a simulated body fluid (SBF) solution for 5, 10 and 28 days. Characterization was performed by means of X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy and energy dispersive spectroscopy. The CaTiO3-coated samples after the SBF treatment showed a significant increment in their calcium and phosphorous amounts as compared with SBF-treated samples with no previous CaTiO3 coating; the latter exhibited only surface phosphate incorporation. (C) 2006 Elsevier B.V All rights reserved.
引用
收藏
页码：2739 / 2743
页数：5
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