[en] In this study, the localized corrosion susceptibility of AA2050-T84, AA2198-T851, and AA2024-T3 alloys was compared by immersion in three test solutions, specifically sodium chloride solution (3.5% NaCl), EXCO solution, according to ASTM G34-18, and a solution for intergranular corrosion (IGC) test recommended by ASTM G110-15 and via scanning vibrating electrode technique (SVET). The results showed higher susceptibility of AA2050-T84 alloy to all types of corrosion tested compared to the other studied 2XXX series alloys. Corrosion penetration was deeper in the AA2050-T84 due to its microstructural characteristics as a difference in the micrometric Cu-Rich intermetallic particle distribution on the surface and related to the distribution of the T1 (Al2CuLi) phase.
Research center :
CRIM - Ingénierie des matériaux
Disciplines :
Materials science & engineering
Author, co-author :
Klumpp, Rafael Emil ; Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux ; Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
Akbarzadeh, Sajjad ; Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux
de Sousa Araujo, João Victor; Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
Gonon, Maurice François ; Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux
Delaunois, Fabienne ; Université de Mons - UMONS > Faculté Polytechnique > Service de Métallurgie
Costa, Isolda; Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
Olivier, Marjorie ; Université de Mons - UMONS > Faculté Polytechnique > Service de Science des Matériaux
Language :
English
Title :
Correlating corrosion modes with the microstructure of the 2XXX series alloys: A comparative approach
Publication date :
2024
Journal title :
Surface and Interface Analysis
ISSN :
0142-2421
eISSN :
1096-9918
Publisher :
John Wiley and Sons Ltd
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
Funders :
Conselho Nacional de Desenvolvimento Científico e Tecnológico Fundação de Amparo à Pesquisa do Estado de São Paulo Fédération Wallonie-Bruxelles
Funding text :
The authors are thankful to CNPq for the financial support for this project (CNPq Proc 406871/2021\u20103) and for the grant awarded to Rafael E. Klumpp (CNPq Proc 200257/2022\u20106) and to the SPW\u2010Economie Emploi Recherche \u2013 Wallonie in the framework of the program OptiSurFam \u2013 Win2Wal (2310020). Additionally, appreciation is extended to the Funda\u00E7\u00E3o de Amparo \u00E0 Pesquisa do Estado de S\u00E3o Paulo (FAPESP), [Process 2019/18388\u20101] Grant of Jo\u00E3o V.S. Araujo, and to the F\u00E9d\u00E9ration Wallonie\u2010Bruxelles (Actions de Recherche Concert\u00E9es ARC SEALCERA \u2013 Grant of Sajjad Akbarzadeh).
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