ANALYSIS OF APATITE DEPOSITS ON SUBSTRATES

被引:45
作者
DASARATHY, H
RILEY, C
COBLE, HD
机构
[1] UNIV ALABAMA,DEPT CHEM,HUNTSVILLE,AL 35899
[2] UNIV ALABAMA,MAT SCI PROGRAM,HUNTSVILLE,AL 35899
来源
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH | 1993年 / 27卷 / 04期
关键词
D O I
10.1002/jbm.820270408
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Calcium phosphate coatings, important for medical implant applications can occur in several different phases. Because of differences in properties of these phases it is imperative to be able to identify their presence in a substrate's coating. In this study we characterized hydroxy apatite (HA) surfaces applied by four different coating procedures. Included were plasma sprayed, sputtered, a composite, and a composite overlayed with plasma sprayed. It was found that a combination of reflectance infrared and Raman spectroscopy could be utilized to make an in situ characterization of the calcium phosphate phases. It was shown that plasma sprayed and sputtered coatings of HA lost OH and thus decreased in crystallinity, while composite coatings remained unchanged from the original HA powder.
引用
收藏
页码:477 / 482
页数:6
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