Download file (12.6 MB)
Download as zip (11.8 MB)

Collection

Citation

Description:

Local hydrogen entry under a NaCl droplet on an Fe sheet was analyzed employing a hydrogenochromic sensor and electrochemical hydrogen permeation tests. Large crystallographic pits formed in the initial stage barely promoted hydrogen entry, because the pits initiated in weak-acid and the initiation potential is higher than the potential of hydrogen evolution reaction. Hydrogen entry was accelerated by the acidification under an island-like rust layer. The rust layer became thick in the outer regions due to the alkalization around the rust-formed area. The hydrogen entry was prominent under the thick rust layer in drying process since it contains NaCl solution.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: Iron, Hydrogen permeation, Atmospheric corrosion

Date published: 2024-04-09

Publisher: Elsevier BV

Journal:

• Corrosion Science (ISSN: 0010938X) vol. 232 112043

Funding:

• Japan Society for the Promotion of Science JP23K13570

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1016/j.corsci.2024.112043

Related item:

Other identifier(s):

Contact agent:

Updated at: 2024-04-17 16:30:17 +0900

Published on MDR: 2024-04-17 16:30:17 +0900