An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/223363 |
Resumo: | Protic ionic liquids (PILs) have shown to be promising substances as corrosion inhibitors (CIs). In line with this, the aim of this study is to study the performance and propose the corrosion inhibition mechanism of N‐methyl‐2‐ hydroxyethylamine (M‐2HEAOL) and bis‐2‐hidroxyethylamine (B‐HEAOL) oleate, for mild steel, in a neutral chloride solution. Electrochemical characterization was conducted under static and hydrodynamic conditions, and it was revealed that M‐2HEAOL and B‐HEAOL worked as mixed‐type CIs with more interference on the anodic reaction. Inhibition efficiency depended on the concentration reaching 97% of inhibition efficiency in 5 mmol/L concentration. Scanning electron microscopy, optical interferometry, Raman spectroscopy, and Fourier‐transform infrared spectroscopy are used to elicit the chemical composition of the surface film and corrosion morphology of steel in the presence of CIs, the adsorption processes of which involved physical and chemical adsorption between metal and different parts of ionic liquids. The results allowed the proposition of a corrosion inhibition mechanism. |
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Schmitzhaus, Tobias EduardoOrtega Vega, Maria RitaSchroeder, Roberto MoreiraMuller, Iduvirges LourdesSilva, Silvana Mattedi eMalfatti, Célia de Fraga2021-07-07T04:35:54Z20201521-4176http://hdl.handle.net/10183/223363001127896Protic ionic liquids (PILs) have shown to be promising substances as corrosion inhibitors (CIs). In line with this, the aim of this study is to study the performance and propose the corrosion inhibition mechanism of N‐methyl‐2‐ hydroxyethylamine (M‐2HEAOL) and bis‐2‐hidroxyethylamine (B‐HEAOL) oleate, for mild steel, in a neutral chloride solution. Electrochemical characterization was conducted under static and hydrodynamic conditions, and it was revealed that M‐2HEAOL and B‐HEAOL worked as mixed‐type CIs with more interference on the anodic reaction. Inhibition efficiency depended on the concentration reaching 97% of inhibition efficiency in 5 mmol/L concentration. Scanning electron microscopy, optical interferometry, Raman spectroscopy, and Fourier‐transform infrared spectroscopy are used to elicit the chemical composition of the surface film and corrosion morphology of steel in the presence of CIs, the adsorption processes of which involved physical and chemical adsorption between metal and different parts of ionic liquids. The results allowed the proposition of a corrosion inhibition mechanism.application/pdfengMaterials and corrosion [recurso eletrônico]. Weinheim, Germany. Vol. 71, no. 7 (July 2020), p. 1175-1193Aço-carbonoLíquidos iônicosInibidores de corrosãoCarbon steelCorrosion inhibitionElectrochemical techniquesProtic ionic liquidSurface analysisAn amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutionsEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001127896.pdf.txt001127896.pdf.txtExtracted Texttext/plain63264http://www.lume.ufrgs.br/bitstream/10183/223363/2/001127896.pdf.txt30f09f00327ad379b6d7eeea3255b614MD52ORIGINAL001127896.pdfTexto completo (inglês)application/pdf3530098http://www.lume.ufrgs.br/bitstream/10183/223363/1/001127896.pdf77f98dcb7dd1d2306070b9f4ed905dbeMD5110183/2233632021-08-18 04:39:16.94414oai:www.lume.ufrgs.br:10183/223363Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2021-08-18T07:39:16Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions |
title |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions |
spellingShingle |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions Schmitzhaus, Tobias Eduardo Aço-carbono Líquidos iônicos Inibidores de corrosão Carbon steel Corrosion inhibition Electrochemical techniques Protic ionic liquid Surface analysis |
title_short |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions |
title_full |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions |
title_fullStr |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions |
title_full_unstemmed |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions |
title_sort |
An amino-based protic ionic liquid as a corrosion inhibitor of mild steel in aqueous chloride solutions |
author |
Schmitzhaus, Tobias Eduardo |
author_facet |
Schmitzhaus, Tobias Eduardo Ortega Vega, Maria Rita Schroeder, Roberto Moreira Muller, Iduvirges Lourdes Silva, Silvana Mattedi e Malfatti, Célia de Fraga |
author_role |
author |
author2 |
Ortega Vega, Maria Rita Schroeder, Roberto Moreira Muller, Iduvirges Lourdes Silva, Silvana Mattedi e Malfatti, Célia de Fraga |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Schmitzhaus, Tobias Eduardo Ortega Vega, Maria Rita Schroeder, Roberto Moreira Muller, Iduvirges Lourdes Silva, Silvana Mattedi e Malfatti, Célia de Fraga |
dc.subject.por.fl_str_mv |
Aço-carbono Líquidos iônicos Inibidores de corrosão |
topic |
Aço-carbono Líquidos iônicos Inibidores de corrosão Carbon steel Corrosion inhibition Electrochemical techniques Protic ionic liquid Surface analysis |
dc.subject.eng.fl_str_mv |
Carbon steel Corrosion inhibition Electrochemical techniques Protic ionic liquid Surface analysis |
description |
Protic ionic liquids (PILs) have shown to be promising substances as corrosion inhibitors (CIs). In line with this, the aim of this study is to study the performance and propose the corrosion inhibition mechanism of N‐methyl‐2‐ hydroxyethylamine (M‐2HEAOL) and bis‐2‐hidroxyethylamine (B‐HEAOL) oleate, for mild steel, in a neutral chloride solution. Electrochemical characterization was conducted under static and hydrodynamic conditions, and it was revealed that M‐2HEAOL and B‐HEAOL worked as mixed‐type CIs with more interference on the anodic reaction. Inhibition efficiency depended on the concentration reaching 97% of inhibition efficiency in 5 mmol/L concentration. Scanning electron microscopy, optical interferometry, Raman spectroscopy, and Fourier‐transform infrared spectroscopy are used to elicit the chemical composition of the surface film and corrosion morphology of steel in the presence of CIs, the adsorption processes of which involved physical and chemical adsorption between metal and different parts of ionic liquids. The results allowed the proposition of a corrosion inhibition mechanism. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020 |
dc.date.accessioned.fl_str_mv |
2021-07-07T04:35:54Z |
dc.type.driver.fl_str_mv |
Estrangeiro info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/223363 |
dc.identifier.issn.pt_BR.fl_str_mv |
1521-4176 |
dc.identifier.nrb.pt_BR.fl_str_mv |
001127896 |
identifier_str_mv |
1521-4176 001127896 |
url |
http://hdl.handle.net/10183/223363 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Materials and corrosion [recurso eletrônico]. Weinheim, Germany. Vol. 71, no. 7 (July 2020), p. 1175-1193 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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application/pdf |
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Repositório Institucional da UFRGS |
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Repositório Institucional da UFRGS |
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