Sol gel derived porous hydroxyapatite coatings

被引：103
|
作者：
Weng, WJ [1 ]
Baptista, JL
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
[2] Univ Aveiro, Dept Ceram & Glass Engn, P-3810 Aveiro, Portugal
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE | 1998年 / 9卷 / 03期
关键词：
D O I：
10.1023/A:1008819703551
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The preparation of hydroxyapatite coatings on alumina substrates by a sol-gel method was investigated. A mixed ethanol solution of Ca(NO3)(2) . 4H(2)O and P2O5 was used as a dipping source. The samples were characterized by solid-state P-31 nuclear 5 magnetic resonance spectroscopy, differential thermal analysis, thermogravimetry, X-ray diffraction, scanning electron microscopy and infrared reflection spectroscopy. The coating obtained at 500 degrees C had good hydroxyapatite crystallinity, adhesive strength of about 10 MPa and dense morphology. The coating obtained at 750 degrees C also had good crystallinity and adhesive strength but porous morphology. (C) 1998 Chapman & Hall.
引用
收藏
页码：159 / 163
页数：5
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