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Electrophoretic deposition of boehmite particles to improve the anti-corrosion behavior of anodized aluminum alloy 2024-T3

Caubert, Florent and Taberna, Pierre-Louis and Arurault, Laurent and Fori, Benoit Electrophoretic deposition of boehmite particles to improve the anti-corrosion behavior of anodized aluminum alloy 2024-T3. (2020) Bulgarian Chemical Communications, 52. 21-27. ISSN 0324-1130

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Abstract

The purpose of this study was to prepare and evaluate a new two-step sealing process for a porous and tortuous anodic film, prepared on aluminum alloy (AA) 2024-T3, to ensure anti-corrosion properties. This process involves a cathodic electrophoretic deposition of boehmite particles, followed by a hydrothermal post-treatment. This two-step sealing was evaluated through three industrial tests (dye-spot, continuity and salt spray) and the low frequency resistance. Such sealing of the anodic film on AA 2024-T3 showed promising anti-corrosion behavior, suggesting a real potential interest of this innovative process for future industrial applications.

Item Type:Article
HAL Id:hal-03025295
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > MÉCAPROTEC Industries (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Laboratory name:
Funders:
Regional Council of Midi-Pyrénées - Mecaprotec Industries
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Deposited On:26 Nov 2020 10:23

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