Morphologies of Hydroxyapatite Crystal Deposited on Titanium Surface with Electrochemical Technique

Abstract:

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Homogeneous coatings adhered strongly to titanium substrates were attained by electrochemical method in electrolytes containing Ca2+ and PO4 3- ions with Ca/P ratio being 1.67. SEM observation showed that the HAp crystals prepared with higher concentration electrolyte (4x10-2M Ca2+) are ribbon-like with thickness of nanometer size, a morphology seldom reported previously. In an electrolyte of lower concentration (6x10-4M Ca2+), the HAp crystals formed are rod-like with defined hexagonal cross section and diameter of about 70-80nm. The electrolyte of intermediary concentration (5x10-3M Ca2+) produced plate-like HAp crystals. XRD patterns and IR spectra confirmed that the coatings consist of HAp crystals.

Info:

Periodical:

Key Engineering Materials (Volumes 330-332)

Main Theme:

Edited by:

Xingdong Zhang, Xudong Li, Hongsong Fan, Xuanyong Liu

Pages:

601-604

DOI:

10.4028/www.scientific.net/KEM.330-332.601

Citation:

W. Ye and X. X. Wang, "Morphologies of Hydroxyapatite Crystal Deposited on Titanium Surface with Electrochemical Technique", Key Engineering Materials, Vols. 330-332, pp. 601-604, 2007

Online since:

February 2007

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Price:

$35.00

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