Corrosion monitoring in marine environments using electrochemical impedance

Masayuki Itagaki, Masanori Endou, Kunihiro Watanabe, Hideki Katayama, Kazuhiko Noda, Hiroyuki Masuda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Electrochemical impedance (EIS) has been applied to study the corrosion behavior of carbon steels in the marine environment. The marine environment was reproduced to simulate three environments: marine atmosphere, tidal zone and underwater zone. The polarization resistance and solution resistance were monitored, and the corrosion rate of the carbon steel was estimated from the reciprocal of the polarization resistance. Furthermore, in order to examine the corrosion behavior of carbon steel in the tidal zone, the surface was continuously observed by a digital microscope under the wet-dry cycle. The carbon steel exposed to marine atmosphere showed very low corrosion rate, because the surface of carbon steel was not wet at all in this environment. The carbon steel gave approximately constant corrosion rate in the underwater zone. Meanwhile, the corrosion rate of the carbon steel exposed to tidal zone increased as the frequency of wet-dry cycles increased and was much higher than those exposed to the other environment. The EIS technique employed in this study is useful for the corrosion monitoring in marine environment.

Original languageEnglish
Title of host publicationProceedings - Electrochemical Society
EditorsD.A. Shifler, T. Tsuru, P.M. Natishan, S. Ito
Pages53-61
Number of pages9
VolumePV 2004-14
Publication statusPublished - 2005
Externally publishedYes
EventCorrosion and Corrosion Control in Saltwater Environments II - Proceedings of the International Symposium - Honolulu, HI
Duration: 2004 Oct 32004 Oct 8

Other

OtherCorrosion and Corrosion Control in Saltwater Environments II - Proceedings of the International Symposium
CityHonolulu, HI
Period04/10/304/10/8

Fingerprint

Carbon steel
Corrosion
Monitoring
Corrosion rate
Polarization
Microscopes

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Itagaki, M., Endou, M., Watanabe, K., Katayama, H., Noda, K., & Masuda, H. (2005). Corrosion monitoring in marine environments using electrochemical impedance. In D. A. Shifler, T. Tsuru, P. M. Natishan, & S. Ito (Eds.), Proceedings - Electrochemical Society (Vol. PV 2004-14, pp. 53-61)

Corrosion monitoring in marine environments using electrochemical impedance. / Itagaki, Masayuki; Endou, Masanori; Watanabe, Kunihiro; Katayama, Hideki; Noda, Kazuhiko; Masuda, Hiroyuki.

Proceedings - Electrochemical Society. ed. / D.A. Shifler; T. Tsuru; P.M. Natishan; S. Ito. Vol. PV 2004-14 2005. p. 53-61.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Itagaki, M, Endou, M, Watanabe, K, Katayama, H, Noda, K & Masuda, H 2005, Corrosion monitoring in marine environments using electrochemical impedance. in DA Shifler, T Tsuru, PM Natishan & S Ito (eds), Proceedings - Electrochemical Society. vol. PV 2004-14, pp. 53-61, Corrosion and Corrosion Control in Saltwater Environments II - Proceedings of the International Symposium, Honolulu, HI, 04/10/3.
Itagaki M, Endou M, Watanabe K, Katayama H, Noda K, Masuda H. Corrosion monitoring in marine environments using electrochemical impedance. In Shifler DA, Tsuru T, Natishan PM, Ito S, editors, Proceedings - Electrochemical Society. Vol. PV 2004-14. 2005. p. 53-61
Itagaki, Masayuki ; Endou, Masanori ; Watanabe, Kunihiro ; Katayama, Hideki ; Noda, Kazuhiko ; Masuda, Hiroyuki. / Corrosion monitoring in marine environments using electrochemical impedance. Proceedings - Electrochemical Society. editor / D.A. Shifler ; T. Tsuru ; P.M. Natishan ; S. Ito. Vol. PV 2004-14 2005. pp. 53-61
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