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Formation of bioactive anticorrosion coatings on resorbable implants by plasma electrolytic oxidation

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Abstract

Calcium phosphate coatings (Ca/P = 1.61) containing magnesium oxide MgO and hydroxyapatite Ca10(PO4)6(OH)2 accelerating the growth of bone tissue have been prepared by the method of plasma electrolytic oxidation (PEO) on MA8 magnesium alloy. The phase and element compositions, morphology, and anticorrosion properties of coatings were investigated. Such PEO layers were found to essentially reduce the corrosion rate of magnesium alloy (polarization resistance being increased by two orders). This makes it possible to consider the formed PEO coatings as likely anticorrosion layers for medical bioresorbable implants.

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Authors and Affiliations

  1. Institute of Chemistry, Far East Branch, Russian Academy of Sciences, Vladivostok, Russia

    S. V. Gnedenkov, S. L. Sinebryukhov, O. A. Khrisanfova, A. G. Zavidnaya, V. S. Egorkin, A. V. Puz’ & V. I. Sergienko

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  1. S. V. Gnedenkov
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  2. S. L. Sinebryukhov
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  3. O. A. Khrisanfova
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  4. A. G. Zavidnaya
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  5. V. S. Egorkin
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  6. A. V. Puz’
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  7. V. I. Sergienko
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Correspondence to S. V. Gnedenkov.

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Original Russian Text © S.V. Gnedenkov, S.L. Sinebryukhov, O.A. Khrisanfova, A.G. Zavidnaya, V.S. Egorkin, A.V. Puz’, V.I. Sergienko, 2012, published in Korroziya: Materialy, Zashchita, 2012, No. 10, pp. 38–43.

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Gnedenkov, S.V., Sinebryukhov, S.L., Khrisanfova, O.A. et al. Formation of bioactive anticorrosion coatings on resorbable implants by plasma electrolytic oxidation. Prot Met Phys Chem Surf 49, 874–879 (2013). https://doi.org/10.1134/S2070205113070071

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  • DOI: https://doi.org/10.1134/S2070205113070071

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