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Inhibition of the pitting corrosion of 304 stainless steel in 0.5 M hydrochloric acid solution by heptamolybdate ions
| dc.contributor.author | Souto, Ricardo Manuel | |
| dc.contributor.author | Ait Albrimi, Y. | |
| dc.contributor.author | Ait Addi, A. | |
| dc.contributor.author | Douch, J. | |
| dc.contributor.author | Hamdani, M. | |
| dc.date.accessioned | 2020-03-25T14:25:07Z | |
| dc.date.available | 2020-03-25T14:25:07Z | |
| dc.date.issued | 2015 | es_ES |
| dc.identifier.uri | http://riull.ull.es/xmlui/handle/915/19063 | |
| dc.description.abstract | The corrosion inhibition effect of heptamolybdate ions on 304 stainless steel in 0.5 M hydrochloric acid solution at 298 K was investigated using gravimetric, electrochemical and optical microscopy methods. Increasing inhibitor concentration led to significant reduction in the corrosion rate of stainless steel, withinhibitor efficiency values above 90%. The adsorption of the inhibitor onto the steel surface is described using the Langmuir adsorption isotherm. The value of the free energy of adsorption determined at 298 K (ΔG° = -31.1 kJ mol-1) characterizes the adsorption process of heptamolybdate ions on the surface of the metal. | en |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | en | es_ES |
| dc.relation.ispartofseries | Corrosion Science, 90, 522-528 (2015) | es_ES |
| dc.rights | Licencia Creative Commons (Reconocimiento-No comercial-Sin obras derivadas 4.0 Internacional) | |
| dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es_ES | |
| dc.title | Inhibition of the pitting corrosion of 304 stainless steel in 0.5 M hydrochloric acid solution by heptamolybdate ions | en |
| dc.type | info:eu-repo/semantics/article | |
| dc.identifier.doi | 10.1016/j.corsci.2014.10.023 | |
| dc.subject.keyword | 304 Stainless steel | en |
| dc.subject.keyword | Pitting | en |
| dc.subject.keyword | Corrosion inhibition | en |
| dc.subject.keyword | Heptamolybdate ions | en |
| dc.subject.keyword | Hydrochloric acid | en |
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