End corrosion of galvanized steels under atmospheric corrosion environment

K. Sekita, T. Hirano, K. Noda

研究成果: Conference contribution

抄録

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.

本文言語English
ホスト出版物のタイトルECS Transactions - Corrosion Posters (General) - 214th ECS Meeting/PRiME 2008
出版社Electrochemical Society Inc.
ページ7-13
ページ数7
48
ISBN(印刷版)9781615676415
DOI
出版ステータスPublished - 2009
イベントCorrosion Posters (General) - 214th ECS Meeting/PRiME 2008 - Honolulu, HI, United States
継続期間: 2008 10月 122008 10月 17

出版物シリーズ

名前ECS Transactions
番号48
16
ISSN(印刷版)1938-5862
ISSN(電子版)1938-6737

Conference

ConferenceCorrosion Posters (General) - 214th ECS Meeting/PRiME 2008
国/地域United States
CityHonolulu, HI
Period08/10/1208/10/17

ASJC Scopus subject areas

  • 工学(全般)

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