Hydrogen mapping across crevices

T. Sundararajan, E. Akiyama, K. Tsuzaki

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Crevice corrosion was investigated in pure iron exposed to a strong acetate buffer solution. The specimens experienced the potential drop inside the crevice, which resulted in the formation of passive, active, and hydrogen evolution regions. The distribution of hydrogen evolution occurring inside the crevice was mapped using a silver decoration technique applied on the other side of the specimen. The results suggest that the entry of absorbed hydrogen show a variation in the intensity across the crevice. The crevice mouth and bottom portions showed the least hydrogen entry, whereas the intermediate portion yielded the significant amount which resulted in the accumulation of silver deposits.

Original languageEnglish
Pages (from-to)B30-B33
JournalElectrochemical and Solid-State Letters
Volume8
Issue number9
DOIs
Publication statusPublished - Sep 29 2005

Fingerprint

Hydrogen
cracks
hydrogen
entry
Silver deposits
silver
Silver
mouth
Buffers
Acetates
Iron
Corrosion
acetates
corrosion
buffers
deposits
iron

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

Hydrogen mapping across crevices. / Sundararajan, T.; Akiyama, E.; Tsuzaki, K.

In: Electrochemical and Solid-State Letters, Vol. 8, No. 9, 29.09.2005, p. B30-B33.

Research output: Contribution to journalArticle

Sundararajan, T. ; Akiyama, E. ; Tsuzaki, K. / Hydrogen mapping across crevices. In: Electrochemical and Solid-State Letters. 2005 ; Vol. 8, No. 9. pp. B30-B33.
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