Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 164, Issue 7, Pages C407-C417Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.1551707jes
Keywords
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Funding
- TATA Steel UK
- United Kingdom Engineering and Physical Sciences Research Council (EPSRC)
- Welsh Government
- Innovate UK for the SPECIFIC Innovation and Knowledge Centre [EP/I019278/1, EP/K000292/1, EP/L010372/1]
- Engineering and Physical Sciences Research Council [EP/I019278/1] Funding Source: researchfish
- EPSRC [EP/L010372/1, EP/I019278/1, EP/K000292/1] Funding Source: UKRI
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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 x 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. (C) The Author(s) 2017. Published by ECS. All rights reserved.
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