Iron Distribution and Ferromagnetic Characteristics of Fe-Containing PEO Coatings on Aluminum
Fe-containing oxide coatings fabricated by the plasma-electrolytic oxidation (PEO) method have been studied by means of scanning electron and magnetic force microscopy. The data comparison has demonstrated that ferromagnetic properties of the coatings are mainly associated with concentrating of iron in specific pores. A scheme has been suggested that would explain iron distribution in the course of the coating growth.
Keywordsaluminum plasma-electrolytic oxidation iron distribution ferromagnetic domains
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