Hydrotheral Synthesis of Hydroxyapatite Powders with Zirconia Dispersion
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<jats:title>Abstract</jats:title><jats:p>Hydroxyapatite (HAp) fine powders dispersed with zirconia were prepared by hydrothermal techniques at 200°C, under 2 MPa for 10 h. The transmission electron microscopy (TEM) showed the homogeneous mixtures of HAp and zirconia.The HAp powders were stoichiometric fine single crystals of about 90 nm × 25 nm in size and the zirconia powders were also fine single crystals of about 10 nm in size. The reactivity between HAp and zirconia was examined. According to the X-ray diffractometry (XRD), decomposition of HAp to B-tricalcium phosphate (β-TCP) was observed above 800°C then β-TCP was transformed into α-TCP at about 1200°C.</jats:p>
収録刊行物
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- MRS Proceedings
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MRS Proceedings 110 1987-01-01
Springer Science and Business Media LLC