Effects of honeycomb pretreatment on MAO coating fabricated on aluminum

Micro-arc oxidation (MAO) conducted on aluminum surface with special geometries has rarely been studied, while the MAO coatings may show some differences due to the surface states. Herein, a honeycomb pretreatment was applied before the MAO process on aluminum. The influence of honeycomb pretreatment on the discharge, voltage, microstructure, phase composition, thickness, hardness, and wear resistance of the coatings was studied by using...