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Journal of Materials Science

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01-04-2008

Composites of bovine hydroxyapatite (BHA) and ZnO

Authors: Oguzhan Gunduz, Eray M. Erkan, Sibel Daglilar, Serdar Salman, Simeon Agathopoulos, Faik Nuzhet Oktar

Published in: Journal of Materials Science | Issue 8/2008

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Abstract

Composites of calcinated bovine bone-derived hydroxyapatite (BHA), doped with 2.5, 5, and 10 wt.% ZnO were produced by sintering. Scanning electron microscopy (SEM) and X-ray diffraction analysis together with measurements of density, compressive strength, and Vickers microhardness were carried out in the sintered samples. The experimental results showed that the best mechanical properties were achieved in the samples with 5% addition of ZnO. The highest value of compression strength was achieved after sintering at 1200 °C (72 MPa) and of microhardness at 1300 °C (548 HV). Prolong heat treatment at 1300 °C results in vulnerable BHA–ZnO composites to over-firing effect.

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Title: Composites of bovine hydroxyapatite (BHA) and ZnO
Authors: Oguzhan Gunduz
Eray M. Erkan
Sibel Daglilar
Serdar Salman
Simeon Agathopoulos
Faik Nuzhet Oktar
Publication date: 01-04-2008
Publisher: Springer US
Published in: Journal of Materials Science / Issue 8/2008
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-008-2497-1

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