ENHANCED CALCIUM PHOSPHATE PRECIPITATION ON THE SURFACE OFMg-ION-IMPLANTEDZrO2BIOCERAMIC

H. Liang, Y. Huang, F. He, H. F. Ding and Y. Z. Wan ()
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H. Liang: School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
Y. Huang: School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
F. He: School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
H. F. Ding: School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
Y. Z. Wan: School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China

Surface Review and Letters (SRL), 2007, vol. 14, issue 01, 71-77

Abstract: Modification of bioceramics by ion implantation of magnesium(Mg)is of interest asMgis the fourth abundant cation in the human body. In this work, magnesium was ion-implanted into aZrO2based bioceramic stabilized withY2O3andAl2O3. BothMg-implanted and unimplanted samples were soaked in a simulated body fluid (SBF) for a period of time. The deposits on the surface of various samples were characterized with scanning electron microscope (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). We find that theMg-implantedZrO2shows better bioactivity than the plain bioceramic. These results indicate thatMg-implantation can improve the bioactivity of theZrO2based bioceramic. Mechanisms governing the improvement are discussed in this paper.

Keywords: Ion implantation; magnesium; ceramics (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07009086

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