From the results of OCP, EIS and salt spray tests, the corrosion resistance of MAO film doped with 2-ABi-HNT has been improved, because dense Mg (OH) 2 film is formed at the corrosion site to prevent further deterioration of the coating, the results show that 2-ABi has a good self-healing function, has a long-term protective effect on the coating, confirming the feasibility of 2-ABi as a magnesium alloy corrosion inhibitor.
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