The role of thallium as a hydrogen entry promoter on cathodically polarized HY-130 steel
Journal Article
·
· Journal of the Electrochemical Society; (United States)
- Univ. of South Carolina, Columbia, SC (United States). Dept. of Chemical Engineering
Hydrogen permeation experiments were carried out to investigate the effect of thallium on hydrogen entry into HY-130 steel. These experiments show that the presence of thallium ions in an electrolyte drastically increase the hydrogen entry rate. The hydrogen entry efficiency and hydrogen surface coverage were increased by a factor of 10 and 6, respectively. In order to fit the permeation experimental data, the Iyer-Pickering-Zamanzadeh (I-P-Z) hydrogen permeation model was modified by including a mass-transfer term in the discharging equation. The relationship between hydrogen permeation and the hydrogen evolution reaction were investigated and new relationships were obtained.
- OSTI ID:
- 7006983
- Journal Information:
- Journal of the Electrochemical Society; (United States), Journal Name: Journal of the Electrochemical Society; (United States) Vol. 141:6; ISSN 0013-4651; ISSN JESOAN
- Country of Publication:
- United States
- Language:
- English
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