Influence of Concentration of Potassium Hydroxide in Electrolyte on Formation of Hydroxyapatite Coatings on Titanium

Hydroxyapatite coatings were deposited on commercially pure titanium substrates using plasma electrolytic oxidation at various concentrations of potassium hydroxide (i.e., 0.5 M, 1 M, 1.5 M and 2 M) in an electrolyte containing hydroxyapatite. The microstructure, phase composition, morphology and el...

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Bibliographic Details
Published in:	JOM (1989) Vol. 75; no. 12; pp. 5088 - 5095
Main Authors:	Tkachuk, O. V., Pohrelyuk, I. M., Proskurnyak, R. V., Danyliak, M.-O. M., Vynar, V. A.
Format:	Journal Article
Language:	English
Published:	New York Springer US 01-12-2023 Springer Nature B.V
Subjects:	Advanced Functional and Structural Thin Films and Coatings Biocompatibility Bones Chemistry/Food Science Corrosion resistance Earth Sciences Electrochemical corrosion Electrolytes Engineering Environment Epoxy resins Heavy metal content Hydroxyapatite Influence Investigations Morphology Oxidation Phase composition Physics Potash Potassium Potassium hydroxides Protective coatings Temperature Titanium
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Summary:	Hydroxyapatite coatings were deposited on commercially pure titanium substrates using plasma electrolytic oxidation at various concentrations of potassium hydroxide (i.e., 0.5 M, 1 M, 1.5 M and 2 M) in an electrolyte containing hydroxyapatite. The microstructure, phase composition, morphology and elemental composition of PEO coatings were studied. The electrochemical corrosion behaviour of the hydroxyapatite coatings was investigated in Ringer’s solution. It was shown that corrosion resistance was increased by increasing the concentration of potassium hydroxide.
ISSN:	1047-4838 1543-1851
DOI:	10.1007/s11837-023-06056-2