Interfacial study of magnesium-containing fluoridated hydroxyapatite coatings

被引：23

作者：

Cai, Yanli ^{[1
]}

Zhang, Sam ^{[1
]}

Zeng, Xianting ^{[2
]}

Qian, Min ^{[2
]}

Sun, Deen ^{[3
]}

Weng, Wenjian ^{[4
]}

机构：

[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore

[2] Singapore Inst Mfg Technol, Singapore 638075, Singapore

[3] Singapore Epson Ind Pte Ltd, PVD Dept Plating Div, Singapore 628162, Singapore

[4] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

来源：

THIN SOLID FILMS | 2011年 / 519卷 / 15期

关键词：

Magnesium; Sol-gel; Interface; Pull-off adhesion strength; SILICON-SUBSTITUTED HYDROXYAPATITE; SOL-GEL PREPARATION; CALCIUM HYDROXYAPATITE; BIOMIMETIC SYNTHESIS; HYDROTHERMAL METHOD; FILMS; SUBSTRATE;

D O I：

10.1016/j.tsf.2011.01.007

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

Magnesium-containing fluoridated hydroxyapatite (Mg(x)FHA) coatings have been developed to improve the biological performances of fluoridated hydroxyapatite (FHA) coatings. The coatings are deposited on Ti6Al4V substrates via a sol-gel process. The interface between the coating and substrate is characterized by scanning electron microscopy, glow discharge optical emission spectroscopy and X-ray photoelectron spectroscopy for coating thickness, elemental distribution and chemical states. Pull-off test is used to evaluate the adhesion strength. The results show that the interdiffusion of elements happens at the coating/substrate interface. The incorporation of Mg ions into FHA coatings enhances the pull-off adhesion strength between the coating and the substrate, but no significant difference is observed with different Mg concentrations. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：4629 / 4633

页数：5

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