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Inhibition of Localized Corrosion of Hot Dip Galvanized Steel by Phenylphosphonic Acid
C. F. Glover,
G. Williams,
Geraint Williams 
,
Carol Glover
,
Carol Glover
Journal of The Electrochemical Society, Volume: 164, Issue: 7, Pages: C407 - C417
Swansea University Authors:
Geraint Williams , Carol Glover
-
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DOI (Published version): 10.1149/2.1551707jes
Abstract
Phenylphosphonic acid (H2PP) is investigated as a corrosion inhibitor of hot dip galvanized steel (HDG) fully immersed in a 5% (w/v) sodium chloride electrolyte. An in-situ Scanning Vibrating Electrode Technique (SVET) is used where concentrations of H2PP are systematically added to the electrolyte...
| Published in: | Journal of The Electrochemical Society |
|---|---|
| ISSN: | 0013-4651 1945-7111 |
| Published: |
2017
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa34268 |
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| Abstract: |
Phenylphosphonic acid (H2PP) is investigated as a corrosion inhibitor of hot dip galvanized steel (HDG) fully immersed in a 5% (w/v) sodium chloride electrolyte. An in-situ Scanning Vibrating Electrode Technique (SVET) is used where concentrations of H2PP are systematically added to the electrolyte in neutral conditions. H2PP, at a concentration of 5 × 10−2 mol dm−3, is shown to effectively inhibit localized corrosion over a 24 h period with 96% efficiency. H2PP is compared with a sodium phosphate (Na3PO4) inhibitor at the same concentration over a wide pH range. |
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| Keywords: |
Corrosion inhibition, hot dip galvanised steel, phenylphosphonic acid, SVET |
| College: |
Faculty of Science and Engineering |
| Issue: |
7 |
| Start Page: |
C407 |
| End Page: |
C417 |