Properties of hydroxyapatite produced by annealing of bovine bone
作者： C.Y. Ooi , M. Hamdi , S. Ramesh
DOI: 10.1016/J.CERAMINT.2006.04.001
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摘要: Abstract The properties of porous hydroxyapatite (HA) bioceramic produced by heat treatment (annealing) bovine bone were evaluated over temperatures between 400 °C and 1200 °C. annealed body was characterized thermal analysis (thermogravimetric (TG)/differential (DTA)), scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive spectroscopy (EDX) Fourier transformed infrared (FTIR) spectroscopy. XRD results showed that the annealing process enhanced crystallinity HA phase in matrix particularly when above 700 °C. There no secondary formation bones 600 °C 1000 °C. However, decomposition to β-tricalcium phosphate (TCP) observed for samples heat-treated at 1100 °C FTIR spectra TG/DTA thermogram as-received indicated presence organic compounds, which upon completely removed from matrices. Bovine 800 °C 1000 °C revealed characteristics a natural with interconnecting pore network being retained structure.
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