A study of hydroxyapatite coating on porous Ti compact by electrostatic spray deposition

被引：6
作者：
Lee, W. H. [1 ]
Kim, Y. H. [1 ]
Oh, N. H. [1 ]
Cheon, Y. W. [1 ]
Cho, Y. J. [1 ]
Lee, C. M. [1 ]
Kim, K. B. [1 ]
Lee, N. S. [1 ]
机构：
[1] Sejong Univ, Dept Adv Mat Eng, Seoul 143747, South Korea
来源：
ADVANCES IN NANOMATERIALS AND PROCESSING, PTS 1 AND 2 | 2007年 / 124-126卷
关键词：
titanium; hydroxyapatite; implant; porous; coating;
D O I：
10.4028/www.scientific.net/SSP.124-126.1789
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Coatings of hydroxyapatite (HA) on the porous-surfaced Ti compact have been conducted by electrostatic spray deposition (EDS). The precursor solution for the HA coating by ESD was prepared by mixing nano-scaled HA powder with ethyl alcohol. As-deposited HA films on the substrate were heat-treated (400 similar to 900 degrees C) and their physical characteristics were investigated by Scanning Electronic Microscopy (SEM), X-ray Diffractometer (XRD), and X-ray Photoelectronic Spectroscopy (XPS). As-deposited HA films were consisted of HA particles which were uniformly distributed on the Ti substrate, showing a porous structure. By heat treatment, HA particles were agglomerated each other and melted to form a highly dense and homogeneous coating layer consisted of equiaxed nano-scaled grains. HA coatings on the porous-surfaced Ti compact consisted of highly crystalline apatite phase with the Ca/P ratio of about 1.67 were successfully obtained by using ESD.
引用
收藏
页码：1789 / +
页数：2
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