J. Mater. Sci. Technol. ›› 2017, Vol. 33 ›› Issue (5): 461-468.DOI: 10.1016/j.jmst.2017.01.021

Special Issue: 2017腐蚀与防护专辑

• Orginal Article • Previous Articles     Next Articles

Plasma electrolytic oxidation of the magnesium alloy MA8 in electrolytes containing TiN nanoparticles

Mashtalyar D.V.ab*(), Gnedenkov S.V.a, Sinebryukhov S.L.a, Imshinetskiy I.M.a, Puz’ A.V.a   

  1. a Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences 159, Prosp. 100-letya Vladivostoka, Vladivostok 690022, Russia
    b Far Eastern Federal University, 8 Sukhanova St., Vladivostok, 690950, Russia
  • Received:2016-09-21 Revised:2016-10-19 Accepted:2016-11-07 Online:2017-05-20 Published:2017-05-17
  • Contact: Mashtalyar D.V.
  • About author:

    These authors contributed equally to this work.

Abstract:

The formation of protective multifunctional coatings on magnesium alloy MA8 using plasma electrolytic oxidation (PEO) in an electrolytic system containing nanosized particles of titanium nitride was investigated. Electrochemical and mechanical properties of the obtained layers were examined. It was established that microhardness of the coating with the nanoparticle concentration of 3 g l-1 increased twofold (4.2 ± 0.5 GPa), while wear resistance decreased (4.97 × 10-6 mm3 N-1 m-1), as compared to respective values for the PEO-coating formed in the electrolyte without nanoparticles (2.1 ± 0.3 GPa, 1.12 × 10-5 mm3 N-1 m-1).

Key words: Magnesium alloys, Protective coatings, Plasma electrolytic oxidation, Corrosion, titanium nitride, Nanoparticles