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Calcium Phosphate Coatings on Titanium Alloy via an Electrodeposition Method

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Abstract:

Calcium phosphates coatings were deposited onto titanium discs via en electrodeposition method. Discs were blasted with calcium phosphate particles and etched in a mixture of sulfuric and fluoric acids. Temperatures from 25 to 80°C and current densities from 8 to 120 mA/ cm2 were used. Deposition times tested were between 10 and 120 min. The electrolyte consisted of a super saturated solution stirred at 250 rpm. The amount of magnesium (Mg2+) and carbonate (HCO3-) ions was varied from 0 to 1 mM. Coatings increased in thickness by increasing deposition time. The different amounts of Mg2+ and HCO3- affected the homogeneity and morphology of the coatings. Main factors affecting the deposition were temperature of electrolyte and current density.

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Periodical:

Key Engineering Materials (Volumes 330-332)

Pages:

549-552

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.330-332.549

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Online since:

February 2007

Authors:

Marco A. Lopez-Heredia, Pierre Weiss, Pierre Layrolle

Keywords:

Calcium Phosphate, Coating, Electro-Deposition, Titanium (Ti)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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