End corrosion of galvanized steels under atmospheric corrosion environment

K. Sekita, T. Hirano, Kazuhiko Noda

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

Abstract

The corrosion prevention mechanism and edge corrosion of the galvanized steels have been investigated. The atmospheric exposure tests were carried out for the observation of corrosion process on the specimen surface under the seashore environment for one and half years. The wet and dry corrosion cycle tests controlled at 33%RH and 84%RH after dropping 0.5M NaCl solution were carried out for the investigation of corrosion morphology on the galvanized steel. From the results of the exposure tests and the wet/dry cycle tests, it was indicated that the galvanized steel was protected by the corrosion product of Zn under the atmospheric environment. The anodic polarization curve measurements were carried out for the exploration of the anodic polarization behavior under the neutral solution. According to the results in the anodic polarization curves of the galvanized steels, the anodic current density of the edge part was larger than that of the surface part.

Original languageEnglish
Title of host publicationECS Transactions
Pages7-13
Number of pages7
Volume16
Edition48
DOIs
Publication statusPublished - 2008
EventCorrosion Posters (General) - 214th ECS Meeting/PRiME 2008 - Honolulu, HI
Duration: 2008 Oct 122008 Oct 17

Other

OtherCorrosion Posters (General) - 214th ECS Meeting/PRiME 2008
CityHonolulu, HI
Period08/10/1208/10/17

Fingerprint

Atmospheric corrosion
Anodic polarization
Corrosion
Steel
Corrosion prevention
Coastal zones
Current density

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Sekita, K., Hirano, T., & Noda, K. (2008). End corrosion of galvanized steels under atmospheric corrosion environment. In ECS Transactions (48 ed., Vol. 16, pp. 7-13) https://doi.org/10.1149/1.3149564

End corrosion of galvanized steels under atmospheric corrosion environment. / Sekita, K.; Hirano, T.; Noda, Kazuhiko.

ECS Transactions. Vol. 16 48. ed. 2008. p. 7-13.

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

Sekita, K, Hirano, T & Noda, K 2008, End corrosion of galvanized steels under atmospheric corrosion environment. in ECS Transactions. 48 edn, vol. 16, pp. 7-13, Corrosion Posters (General) - 214th ECS Meeting/PRiME 2008, Honolulu, HI, 08/10/12. https://doi.org/10.1149/1.3149564
Sekita, K. ; Hirano, T. ; Noda, Kazuhiko. / End corrosion of galvanized steels under atmospheric corrosion environment. ECS Transactions. Vol. 16 48. ed. 2008. pp. 7-13
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