Transparent nanocrystalline hydroxyapatite by pressure-assisted sintering

被引：32
|
作者：
Wang, Jiwen [1 ]
Shaw, Leon L. [1 ]
机构：
[1] Univ Connecticut, Dept Chem Mat & Biomol Engn, Storrs, CT 06269 USA
来源：
SCRIPTA MATERIALIA | 2010年 / 63卷 / 06期
关键词：
Hydroxyapatite; Transparency; Nanocrystalline materials; Sintering; FABRICATION; TEMPERATURE; CERAMICS; MORPHOLOGY; ALUMINA; POWDER;
D O I：
10.1016/j.scriptamat.2010.06.002
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Transparent nanocrystalline hydroxyapatite (HA) bodies with a relative density of 99.8% and a mean grain size of 81 nm exhibit an optical transmittance of 66% at a wavelength of 645 nm. Light scattering analysis reveals that grain boundary reflection is significant for nanograined crystals, and nanopores in HA substantially reduce the transmittance of visible light even though the wavelength of visible light is about 32-64 times the pore size. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：593 / 596
页数：4
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