Effect of surface characteristics on bioactivity of ceramic coating on Ti6al4v by plasma electrolytic oxidation

被引：1
作者：
Yang, Zhiyong [1 ]
Xia, Lingqin [1 ]
Sun, Weiwei [1 ]
Li, Weijing [1 ]
机构：
[1] Beijing Jiaotong Univ, Engn Res Ctr Struct Reliabil & Operat Measurement, Beijing 100044, Peoples R China
来源：
KEY ENGINEERING MATERIALS AND COMPUTER SCIENCE | 2011年 / 320卷
关键词：
plasma electrolytic oxidation; titanium alloy; ceramic coating; bioactivity; three-dimensional roughness; hydroxyapatite; TITANIUM; MORPHOLOGY;
D O I：
10.4028/www.scientific.net/AMR.320.33
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The surface topographic of ceramic coating on Ti6Al4V alloy, which was fabricated by Plasma Electrolytic Oxidation, was investigated by SEM and 3D profile. The chemical compositions and the phase structures were detected by EDS, XRD, FT-IR. The PEO coating shows a rough porous morphology and the chemical phases are anatase and rutile TiO2. In addition, both of calcium-phosphorus ratios of the two samples were above 1.67. The bioactivity was focused on after soaking in SBF (simulated body fluid). It can be concluded by the experimental data that the surface roughness and the composition are corelated to form hydroxyapatite (HA), and the coatings containing Ca and P can induce bioapatite quickly.
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页码：33 / 37
页数：5
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