Formation of Structural, Physical and Adhesion Properties in Calcium-Phosphate Biocoatings in the Course of Microarc Oxidation Using Fe–Cu Nanocomposite Particles

A method for modification of calcium-phosphate coatings, formed by microarc oxidation, with Fe–Cu nanocomposite bicomponent particles is proposed. The effect of modification of calcium-phosphate coatings, formed on titanium, with Fe–Cu nanoparticles on their morphological, structural and mechanical...

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Bibliographic Details
Published in:Russian physics journal 2021-12, Vol.64 (8), p.1435-1442
Main Authors: Chebodaeva, V. V., Sedelnikova, M. B., Bakina, O. V., Sharkeev, Yu. P.
Format: Article
Language:English
Subjects:
Adhesive strength
Calcium
Coatings
Condensed Matter Physics
Copper
Hadrons
Heavy Ions
Iron
Lasers
Mathematical and Computational Physics
Mechanical properties
Nanocomposites
Nanoparticles
Nuclear Physics
Optical Devices
Optics
Oxidation
Oxidation-reduction reaction
Phosphate coatings
Phosphates
Photonics
Physics
Physics and Astronomy
Porosity
Theoretical
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Summary:A method for modification of calcium-phosphate coatings, formed by microarc oxidation, with Fe–Cu nanocomposite bicomponent particles is proposed. The effect of modification of calcium-phosphate coatings, formed on titanium, with Fe–Cu nanoparticles on their morphological, structural and mechanical characteristics is evaluated. It is found out that the highest adhesion strength (33 MPa) is exhibited by the coatings with a thickness of 42–50 μm, which were formed at the microarc oxidation voltage of 200 V in the electrolyte containing Fe–Cu nanoparticles. These coatings are characterized by a roughness (R a ) of 3.3 μm, a surface porosity of 21% and a higher content of calcium compared to that in the initial unmodified coating.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-021-02476-2