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

页码：2739 / 2743

页数：5

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