Abstract
Dense and well-adhered spinel-oxide coatings were successfully deposited on Crofer 22 APU substrates by a cost-effective electrophoretic deposition technique. The coatings were effective in reducing the oxidation rate of the stainless steel substrates. A diffusion model has been developed that indicates that the coated stainless steel substrates exhibit paralinear oxidation kinetics. The effective diffusivities in the coating and in the thermally grown oxide scale were calculated to be and , respectively, at and and , respectively, at . The as-processed coated sample showed only of area specific resistance at .
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