An impedance study on corrosion of AISI 3161 stainless steel in the passive and pitting regions
DOI:
https://doi.org/10.3989/revmetalm.1999.v35.i6.645Keywords:
Stainless steel, Impedance, Passivity, Pitting corrosionAbstract
Impedance measurements were performed on an AISI 316L stainless steel immersed in a 5% NaCl solution at room temperature. Some samples were polarized up to the passive and pitting regions, respectively. The Nyquist plots in the rest potential and in the passive region show high impedance with capacitive behaviour. The impedance diagram in the pitting region shows three loops: a capacitive loop at high frequencies, a loop with inductive effects at intermediate frequencies, and a second capacitive response at low frequencies. To validate the impedance data Kramers-Kronig relations were applied in the pitting región.
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Published
1999-12-30
How to Cite
Polo Sanz, J. L., Torres, C. L., Cano, E., & Bastidas, J. M. (1999). An impedance study on corrosion of AISI 3161 stainless steel in the passive and pitting regions. Revista De Metalurgia, 35(6), 368–378. https://doi.org/10.3989/revmetalm.1999.v35.i6.645
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