An Ultrasound-assisted Method on the Formation of Nanocrystalline Fluorohydroxyapatite Coatings on Titanium Scaffold by Dip Coating Process
作者： A. Salehi , H. Amini Mashhadi , M.S. Abravi , H.R. Jafarian
DOI: 10.1016/J.MSPRO.2015.11.001
关键词:
摘要: Abstract In this study, titanium scaffolds with porosity of 60 volume percent were produced by Ti powder and urea space holder, using metallurgy technique. Dip-coating sol-gel process was used to coat fluorohydroxyapatite (FHA) ceramics in order improve their osteointegration for medical implant purposes. Scanning electron microscopy (SEM) energy dispersive spectrometers (EDS), inductively coupled plasma optical emission spectroscopy (ICP-OES) X-ray diffraction (XRD) employed ensure removal particles, non-oxidized samples caused sintering as well evaluation nanocrystalline coating structure. Results implied that ultrasonic irradiation could promote transferring slurry into the pores a low temperature crystallization decreases crystallite size about 50 nm. Moreover, ICP-OES analysis indicated Ca:P molar ratio 1.69, which quite close ratios natural bone calcium phosphor elements.
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