Article (Scientific journals)
Inhibitive effect of the Ce (III) chloride and nitrate on the corrosion resistance of Zn alloyed sacrificial coatings: Effect of alloying compounds of the sacrificial layer
Nguyen, T.T.; Arrighi, C.; Thai, T.T. et al.
2023In Electrochimica Acta, 452, p. 142296
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Keywords :
Cerium salts; Corrosion inhibitors; Corrosion resistance; Sacrificial coating; Zinc alloyed coating; Chloride salts; Electrochemical-impedance spectroscopies; Immersion time; Inhibitive effects; Nitrate salts; Potentiodynamic polarization measurements; Sacrificial coatings; Sacrificial layer; Chemical Engineering (all); Electrochemistry; General Chemical Engineering
Abstract :
[en] The corrosion protection of four different zinc-based sacrificial coatings alloyed with Al and Mg were investigated in 0.1 M NaCl with and without 5.10−3 M Ce (III) chloride and nitrate versus immersion time. The effect of Ce (III) chloride and nitrate salts were evaluated by Electrochemical Impedance Spectroscopy (EIS), potentiodynamic polarization measurements, SEM-EDS, and XRD analysis. Cerium salts showed the best effectiveness for HDG, followed by ZnAl, Zn and ZnAlMg coatings. The inhibition efficiency of Ce (III) ions was stable and higher than 82.5% for all types of substrate. Moreover, cerium chloride presented higher protection than cerium nitrate in long immersion time.
Research center :
CRIM - Ingénierie des matériaux
Disciplines :
Materials science & engineering
Author, co-author :
Nguyen, T.T.;  Materials Science Department, University of Mons, Mons, Belgium ; Institute for Tropical Technology, Vietnam Academy of Science and Technology, Cau Giay, Viet Nam
Arrighi, C.;  Materials Science Department, University of Mons, Mons, Belgium
Thai, T.T.;  Institute for Tropical Technology, Vietnam Academy of Science and Technology, Cau Giay, Viet Nam
Dangreau, L.;  Materia Nova, Parc Initialis, Mons, Belgium
Gonon, M.F.;  Materials Science Department, University of Mons, Mons, Belgium
Trinh, A.T.;  Institute for Tropical Technology, Vietnam Academy of Science and Technology, Cau Giay, Viet Nam
Olivier, Marie-Georges  ;  Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux ; Université de Mons - UMONS > Faculté Polytechnique > Science des Matériaux
Language :
English
Title :
Inhibitive effect of the Ce (III) chloride and nitrate on the corrosion resistance of Zn alloyed sacrificial coatings: Effect of alloying compounds of the sacrificial layer
Publication date :
01 June 2023
Journal title :
Electrochimica Acta
ISSN :
0013-4686
Publisher :
Elsevier Ltd
Volume :
452
Pages :
142296
Peer reviewed :
Peer Reviewed verified by ORBi
Development Goals :
9. Industry, innovation and infrastructure
Research unit :
F502 - Science des Matériaux
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
Name of the research project :
4617 - ARES PRD 2020 - Vietnam - Renforcement de l'expertise du centre de compétences en protection contre la corrosion et en éléctrochimie - Fédération Wallonie Bruxelles
Funders :
ARES - Académie de Recherche et d'Enseignement Supérieur
Funding text :
The authors would like to thank ArcelorMittal for providing the metallic substrate and Sebastien Colmant from Metallurgy Department for his help to prepare the embedded samples. This study was supported by the Académie de Recherche et d'Enseignement Supérieur (ARES Belgium) through the Development Cooperation project between Vietnam and Belgium (PRD 2020–2025: Renforcement de expertise environnementale du center de compétences en protection contre la corrosion et en électrochimie), and the Vietnam Academy of Science and Technology under grant number NCVCC13.04/22–23 .
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