Bioactive plasma electrolytic oxidation coatings--the role of the composition, microstructure, and electrochemical stability.
作者： M. Mohedano , R. Guzman , R. Arrabal , J.-L. López Lacomba , E. Matykina
DOI: 10.1002/JBM.B.32974
关键词: Metallurgy 、 Corrosion 、 Plasma electrolytic oxidation 、 Chemical engineering 、 Microstructure 、 Electrochemistry 、 Atomic ratio 、 Coating 、 Titanium oxide 、 Adsorption 、 Materials science
摘要: A Plasma electrolytic oxidation (PEO) process was used to produce bioactive coatings on Ti. PEO with Ca/P atomic ratio of 1.7 and 4.0 were fabricated characterized respect their morphology, composition, microstructure. AC DC electrochemical tests evaluate the effect (i) organic additives (amino acids, proteins, vitamins, antibiotics) in alpha-minimum essential medium (α-MEM) stability noncoated PEO-coated Ti (ii) coating microstructure, corrosion behavior cell response α-MEM. showed higher resistance than MEM without by an order magnitude. The α-MEM decreased time for nonmodified increased Ti; latter because adsorption proteins pores which diffusion resistance. presence Ca P titanium oxide at exceeding that any stoichiometric Ca–P–O Ca–P–O–H compounds facilitates faster osteoblast adhesion. © 2013 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 101B: 1524–1537, 2013.
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