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Characterization of the microstructure of the anodized layer in Al alloys using high magnification and spatial resolution techniques

Grant number: 22/06935-0
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): April 01, 2023
Effective date (End): March 31, 2024
Field of knowledge:Engineering - Materials and Metallurgical Engineering
Principal Investigator:Isolda Costa
Grantee:João Victor de Sousa Araujo
Supervisor: Xiaorong Zhou
Host Institution: Instituto de Pesquisas Energéticas e Nucleares (IPEN). Secretaria de Desenvolvimento Econômico (São Paulo - Estado). São Paulo , SP, Brazil
Research place: University of Manchester, England  
Associated to the scholarship:19/18388-1 - Effect of the microstructure of high strength Al alloys on formation and corrosion resistance of the anodized layer, BP.DR


This project aims to study the anodizing behavior of high-strength, aeronautical-grade Al-Cu-Li alloys using high-resolution microstructural characterization techniques, such as Transmission Electron Microscopy (TEM), 3D volumetric reconstructions by electron microscopy. Through these techniques, it will be possible to identify the distribution, size and morphology of the hardening phases present in these alloys, as well as the chemical composition and morphology of the anodized layer obtained in sulfuric tartaric acid solution (TSA). Therefore, it will be possible to correlate the effect of the microstructure of the Al alloys on the formation of the anodic layer. These results are expected to provide a better understanding of the formation and performance of the anodic films formed in aluminium alloys. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ARAUJO, JOAO VICTOR DE SOUSA; MILAGRE, MARIANA; COSTA, ISOLDA. A historical, statistical and electrochemical approach on the effect of microstructure in the anodizing of Al alloys: a review. CRITICAL REVIEWS IN SOLID STATE AND MATERIALS SCIENCES, v. N/A, p. 61-pg., . (22/06935-0, 19/18388-1)

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