Micro-arc oxidation as a method of reducing biodegradation of Mg-Ca-Zn alloy
Shishelova A.A.1, Marchenko E.S.1, Butyagin P.I.1, Akhmadieva A. 1
1Tomsk State University, Tomsk, Russia
Email: arina.sh9906@gmail.com

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In this work, the influence of the exposure time in the electrolyte during microarc oxidation of the Mg-Ca-Zn alloy on the structural-phase composition and biodegradation is studied. The test results showed that the exposure time is 5 min. not enough to form a uniform coating. The coating is amorphous and consists of elements O, P, Mg with F-based inclusions. It has been established that the formed coatings successfully reduce the biodegradation of the Mg-Ca-Zn alloy, as evidenced by a significant reduction in weight loss under in vitro conditions Keywords: magnesium alloys, coating, microarc oxidation, structure, XRD, biodegradation. DOI: 10.61011/TPL.2023.08.56690.19638
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