Article (Scientific journals)
Effect of cerium salts on the cut-edge of zinc-based sacrificial coatings: Influence of Al and Mg alloying elements on galvanic corrosion
Nguyen, Thi Thao; Akbarzadeh, Sajjad; Thai, Thu Thuy et al.
2024In Journal of Alloys and Compounds, 981, p. 173711
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Keywords :
Cerium salts; Cut-edge; Galvanic corrosion; SVET; Zinc-based coating; Coated steel; Cut edge; Electrochemical techniques; Polarization curves; Sacrificial coatings; Scanning vibrating electrochemical technique; Theoretical approach; Zinc-based coatings; Mechanics of Materials; Mechanical Engineering; Metals and Alloys; Materials Chemistry
Abstract :
[en] The effect of cerium salts on the cut-edge of zinc-based sacrificial coated steel was investigated by theoretical approach (based on individual polarization curves on the top surface and by Scanning Vibrating Electrochemical Technique (SVET). In both approaches, cerium salts increase the galvanic corrosion of zinc-based sacrificial layer coupled with steel. Furthermore, the anion parts of cerium salts exhibited a synergistic accelerated effect of galvanic activity on the cross-section. The SVET results indicated that the addition of Al, Mg alloying elements promotes localized corrosion and influences the formation and distribution of corrosion products.
Research center :
CRIM - Ingénierie des matériaux
Disciplines :
Materials science & engineering
Author, co-author :
Nguyen, Thi Thao  ;  Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux ; Institute for Tropical Technology, Vietnam Academy of Science and Technology, Cau Giay, Viet Nam
Akbarzadeh, Sajjad ;  Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux
Thai, Thu Thuy ;  Université de Mons - UMONS > Faculté Polytechnique > Science des Matériaux ; Institute for Tropical Technology, Vietnam Academy of Science and Technology, Cau Giay, Viet Nam
Paint, Yoann ;  Université de Mons - UMONS > Unités externes > Materia Nova ASBL ; Materia Nova, Parc Initialis, Mons, Belgium
Trinh, Anh Truc ;  Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux ; 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
Language :
English
Title :
Effect of cerium salts on the cut-edge of zinc-based sacrificial coatings: Influence of Al and Mg alloying elements on galvanic corrosion
Publication date :
25 April 2024
Journal title :
Journal of Alloys and Compounds
ISSN :
0925-8388
eISSN :
1873-4669
Publisher :
Elsevier Ltd
Volume :
981
Pages :
173711
Peer reviewed :
Peer Reviewed verified by ORBi
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 :
National Foundation for Science and Technology Development
Academy of Research and Higher Education
Funding text :
The authors would like to thank ArcelorMittal for providing the metallic substrate and Sebastien Colmant from the Metallurgy Department for his help in preparing 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 centre de compétences en protection contre la corrosion et en électrochimie), and National Foundation for Science and Technology Development under grant number 104.06-2019.20 .
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since 29 February 2024

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