Deposition of bioactive glass-ceramic thin-films by RF magnetron sputtering

被引：47
|
作者：
Mardare, CC [1 ]
Mardare, AI
Fernandes, JRF
Joanni, E
Pina, SCA
Fernandes, MHV
Correia, RN
机构：
[1] INESC Porto, Unidade Optoelect & Sistemas Elect, P-4169007 Oporto, Portugal
[2] Univ Tras Os Montes & Alto Douro, Dept Fis, P-5001911 Vila Real, Portugal
[3] Univ Aveiro, Dept Engenharia Ceram & Vidro, P-3810193 Aveiro, Portugal
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2003年 / 23卷 / 07期
关键词：
adhesion; biomedical applications; films; glass ceramics; X-ray methods; sputtering;
D O I：
10.1016/S0955-2219(02)00278-9
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Thin films of bioactive glass-ceramics have been deposited on titanium and silicon substrates by RF magnetron sputtering. The crystalline phases and the microstructure of the films have been characterized using XRD and SEM analysis; the main phases present were calcium-magnesium phosphates, enstatite and forsterite. The adhesion of the films on titanium has been examined by pull-off testing; the adhesion strength for as-deposited films was around 40 MPa, but after crystallization the strength dropped to about half this value due to the presence of cracks. Samples kept in simulated body fluid showed an apatite-like layer, suggesting that the films are bioactive. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1027 / 1030
页数：4
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