from the conferences organized by TANGER Ltd.
Magnesium Mg and its alloys are attractive materials in industries such as automotive and aerospace. However, their use is often limited by their susceptibility to corrosion. One way to improve the corrosion resistance of these materials is to apply protective coatings. In this work, we focus on the preparation of plasma electrolytic oxidation (PEO) with zeolitic imidazolate framework-8 (ZIF-8) particles on AZ31 magnesium alloy. ZIF-8 particles were prepared by in-situ method on PEO coating at different times under laboratory temperature. The presence of ZIF-8 particles was characterized by scanning electron microscopy with an energy dispersive spectrometer (SEM-EDS). The corrosion properties were characterized by potentiodynamic polarization in 0.9% NaCl. The results showed that ZIF-8 particles were successfully prepared and their uniform distribution on PEO coating increased with time. The preparation of ZIF-8 particles improved the corrosion properties of PEO coating, and the best corrosion resistance was observed when the particles grew for 48 h.
Keywords: ZIF-8 particles, PEO coating, AZ31 alloy, corrosion, 0.9% NaCl© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.