Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment

Considering corrosion control of aluminum is of great technical, economic, environmental and aesthetical importance, the use of inhibitors is one of the promising solutions for protecting aluminum and its alloys against corrosion. The research about green corrosion inhibitors which are environmental...

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Autores principales:	Pantazopoulou Paraskevi, Theohari Stamatina, Kalogeropoulou Sofia
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/36c28faf5448491aa4b3e84cad4002ba
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spelling	oai:doaj.org-article:36c28faf5448491aa4b3e84cad4002ba2021-12-02T17:13:46ZOrganic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment2261-236X10.1051/matecconf/202134902017https://doaj.org/article/36c28faf5448491aa4b3e84cad4002ba2021-01-01T00:00:00Zhttps://www.matec-conferences.org/articles/matecconf/pdf/2021/18/matecconf_iceaf2021_02017.pdfhttps://doaj.org/toc/2261-236XConsidering corrosion control of aluminum is of great technical, economic, environmental and aesthetical importance, the use of inhibitors is one of the promising solutions for protecting aluminum and its alloys against corrosion. The research about green corrosion inhibitors which are environmentally friendly and do not contain heavy metals or other toxic compounds has gained a large interest. This study is an effort to investigate the role of a natural organic dye, Crocin, against the corrosion of a commercial aluminum alloy AA1050, in an aggressive chloride ions environment of NaCl 0,01M, in comparison with a synthetic dye, Alphazurine A. Corrosion behavior of AA1050 specimens in NaCl 0,01M solution at room temperature was studied by investigating their electrochemical behavior in the absence and presence of the two organic dyes, using DC Corrosion techniques, Linear Polarization and Tafel Polarization. The effect of the organic dyes as corrosion inhibitors was also evaluated by mass loss measurements. Study and characterization of the morphology of the surface of the specimens, before and after the corrosion measurements, was performed using Scanning Electron Microscopy. Results obtained showed that the examined dyes have a protective action against corrosion of aluminum surface in the corrosive environment.Pantazopoulou ParaskeviTheohari StamatinaKalogeropoulou SofiaEDP SciencesarticleEngineering (General). Civil engineering (General)TA1-2040ENFRMATEC Web of Conferences, Vol 349, p 02017 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Engineering (General). Civil engineering (General) TA1-2040 Pantazopoulou Paraskevi Theohari Stamatina Kalogeropoulou Sofia Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment
description	Considering corrosion control of aluminum is of great technical, economic, environmental and aesthetical importance, the use of inhibitors is one of the promising solutions for protecting aluminum and its alloys against corrosion. The research about green corrosion inhibitors which are environmentally friendly and do not contain heavy metals or other toxic compounds has gained a large interest. This study is an effort to investigate the role of a natural organic dye, Crocin, against the corrosion of a commercial aluminum alloy AA1050, in an aggressive chloride ions environment of NaCl 0,01M, in comparison with a synthetic dye, Alphazurine A. Corrosion behavior of AA1050 specimens in NaCl 0,01M solution at room temperature was studied by investigating their electrochemical behavior in the absence and presence of the two organic dyes, using DC Corrosion techniques, Linear Polarization and Tafel Polarization. The effect of the organic dyes as corrosion inhibitors was also evaluated by mass loss measurements. Study and characterization of the morphology of the surface of the specimens, before and after the corrosion measurements, was performed using Scanning Electron Microscopy. Results obtained showed that the examined dyes have a protective action against corrosion of aluminum surface in the corrosive environment.
format	article
author	Pantazopoulou Paraskevi Theohari Stamatina Kalogeropoulou Sofia
author_facet	Pantazopoulou Paraskevi Theohari Stamatina Kalogeropoulou Sofia
author_sort	Pantazopoulou Paraskevi
title	Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment
title_short	Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment
title_full	Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment
title_fullStr	Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment
title_full_unstemmed	Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment
title_sort	organic dyes as corrosion inhibitors of commercial aa1050 aluminum alloy in sodium chloride environment
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/36c28faf5448491aa4b3e84cad4002ba
work_keys_str_mv	AT pantazopoulouparaskevi organicdyesascorrosioninhibitorsofcommercialaa1050aluminumalloyinsodiumchlorideenvironment AT theoharistamatina organicdyesascorrosioninhibitorsofcommercialaa1050aluminumalloyinsodiumchlorideenvironment AT kalogeropoulousofia organicdyesascorrosioninhibitorsofcommercialaa1050aluminumalloyinsodiumchlorideenvironment
_version_	1718381312974258176

Organic dyes as corrosion inhibitors of commercial AA1050 aluminum alloy in sodium chloride environment

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