研究领域：不锈钢腐蚀 交流阻抗频率范围：100kHz - 1Hz
Fractal property of the passivated steel surface was investigated on the basis of sca领 analysis with
a special focus on its relationship with corrosion resistance. For this purpose, the surface of stainless
steel was intentionally oxidized under a variety of passivation conditions and its sca领 property was
analyzed by a triangulation method. The morphology of the passivated steel surface was satisfactorily
evaluated with fractal dimension. From the chronoamperometry and impedance measurement, it
proved that lower fractal dimension leads to more enhanced corrosion resistance. The higher passivity
of the steel surface with lower fractal dimension was discussed in terms of active area and structural
imperfection.
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