The nanostructure of an electrochemically deposited hydroxyapatite coating
作者： Hao Wang , Noam Eliaz , Linn W. Hobbs
DOI: 10.1016/J.MATLET.2011.05.016
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摘要: Abstract The structure of an implant's coating can significantly affect its physical and chemical properties, eventually – clinical performance. In this paper, the nanostructure electrochemically deposited hydroxyapatite (EDHA) was studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission (HRTEM). analysis showed that consisted predominantly stoichiometric HA phase. However, SEM HRTEM revealed EDHA is composed two distinct regions: upper layer platelet crystallites preferentially grown perpendicular to substrate surface, while lower dense uniform nano-sized HA. possible effects these different microstructures on after-implantation behavior are discussed.
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