期刊
CERAMICS INTERNATIONAL
卷 34, 期 8, 页码 1843-1847出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2007.06.007
关键词
Hydroxyapatite; Carbon nanotube; Deposition
资金
- TUBITAK (The Scientific and Technological Research Council of Turkey) [105T253]
Ultra-fine (20 nm) hydroxyapatite powders-reinforced with multi-walled carbon nanotubes were coated on Ti-6Al-4V medical alloy using electrophoretic deposition in an attempt to increase poor mechanical properties of hydroxyapatite, in particular inter-laminar shear strength between coating layer and implant surface. It is shown that the addition of carbon nanotubes increases both hardness, elastic modulus and inter-laminar shear strength of monolithic hydroxyapatite layers. A deposit thickness of 25 mu m is also found to be critical for preventing crack formation during sintering. (C) 2007 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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