Paper Title:
In-Vitro Bioactivity Characterization of Sodium-Potassium Mica and Fluorapatite Containing Glass Ceramics
  Abstract

The aim of this study is to find out the crystallization behaviour and in-vitro bioactivity character of machinable glass ceramics having different ratios of Na/K mica and apatite phases, to ascertain the best machinable composition. In order to investigate the bioactivity behavior of the samples the simulated body fluid (SBF) was prepared. Samples were removed from the solution after 1 hour, 1 day, 1, 2, 3 and 4 weeks. FEG-SEM was used to characterize the morphology of precipitation HCA layer on the surface depending on time. Molecular bonding characterization of HCA layers were carried out by using Fourier Transform Infrared Spectroscopy (FTIR) technique. The thin film X-ray diffraction (TF-XRD) analysis was used to characterize the variation of chemical composition on precipitated layer by time. Optimum results were obtained by the composition, containing 70wt% Na/K mica and 30wt% fluorapatite which had an average mica size of 3-4 microns.

  Info
Periodical
Key Engineering Materials (Volumes 330-332)
Main Theme
Edited by
Xingdong Zhang, Xudong Li, Hongsong Fan, Xuanyong Liu
Pages
185-188
DOI
10.4028/www.scientific.net/KEM.330-332.185
Citation
G. Goller, C. Cekli, I. Akin, E. Demirkesen, "In-Vitro Bioactivity Characterization of Sodium-Potassium Mica and Fluorapatite Containing Glass Ceramics", Key Engineering Materials, Vols. 330-332, pp. 185-188, 2007
Online since
February 2007
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$32.00
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