TSA anodising voltage effects on the near-surface coarse intermetallic particles in the AA2024-T3 and AA2198-T8 alloys
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Corrosion Engineering, Science and Technology
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In this study, the behaviour of the micrometric particles of the AA2198-T8 alloy during anodising at
various voltages and the effect of anodising voltage on the anodised surface morphology have been
investigated in a tartaric-sulfuric acid anodising solution. The results were compared with that of the
AA2024-T3 alloy. For the AA2198-T8 alloy, partial dissolution of these particles occurred at 0, 3 and
4 V. Besides, for potentials above 5 V, there is a preferential dissolution of the intermetallic
particles. For the AA2024-T3 alloy, the results indicated a total dissolution of the micrometric
particles at 0 V and a partial dissolution at 3 V, whereas above 4 V total dissolution occurred.
Between 1 and 2 V, no dissolution was observed for both alloys. The preferential dissolution of the
micrometric particles resulted in defects in the anodic film and cavities on the anodised surfaces.
Como referenciar
ARAUJO, JOAO V. de S.; MILAGRE, MARIANA X.; KLUMPP, RAFAEL E.; AYUSSO, VICTOR H.; DONATUS, UYIME; COSTA, ISOLDA. TSA anodising voltage effects on the near-surface coarse intermetallic particles in the AA2024-T3 and AA2198-T8 alloys. Corrosion Engineering, Science and Technology, v. 57, n. 4, p. 380-396, 2022. DOI: 10.1080/1478422X.2022.2071666. Disponível em: http://repositorio.ipen.br/handle/123456789/33112. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.