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Improvement of Microstructure of Bovine Hydroxyapatite with Yttria

Journal Key Engineering Materials (Volumes 330 - 332)
Volume Bioceramics 19
Edited by Xingdong Zhang, Xudong Li, Hongsong Fan, Xuanyong Liu
Pages 47-50
DOI 10.4028/www.scientific.net/KEM.330-332.47
Citation L.S. Ozyegin et al., 2007, Key Engineering Materials, 330-332, 47
Online since February, 2007
Authors L.S. Ozyegin, S. Salman, Faik N. Oktar, Simeon Agathopoulos, Onur Meydanoglu, S. Akesi, I. Yukler
Keywords Hydroxyapatite (HA), Mechanical Properties, Microstructure, Sintering, Yttria
Abstract

Composites of calcinated bovine bone derived hydroxyapatite (HA) with 0.5 and 1 wt% Y2O3 were prepared by sintering. Money and time saving feature the production of HA from natural sources. In this study, results of scanning electron microscopy (SEM) and X-ray diffraction analysis aimed to interpret the results of measurements of densification, microhardness, and compression strength of the produced composites. The best mechanical properties were achieved after sintering at 1200°C for compressive strength and 1300°C for microhardness. The results are in a fair agreement with densification measurements and microstructure analysis.

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