On the AA2198-T851 alloy microstructure and its correlation with localized corrosion behaviour
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Corrosion Science
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The corrosion behaviour of AA2198-T851 alloy has been investigated using a combination of immersion tests
and different microscopy techniques. Results showed that severe localized corrosion initiated within 1 h of
corrosion immersion test in 0.01 mol L−1 NaCl solution. The corrosion mechanism in this alloy is intragranular
and it propagates crystallographically. The propagation occurs through grain orientation dependent bands and it
can be likened to the movement of dislocation through slip planes. Corrosion rings around stable pits result from
pH variations. Secondary pits form around primary pits within corrosion rings and are preceded by hydrogen
evolution.
Como referenciar
DONATUS, UYIME; TERADA, MAYSA; OSPINA, CARLOS R.; QUEIROZ, FERNANDA M.; BUGARIN, ALINE F.S.; COSTA, ISOLDA. On the AA2198-T851 alloy microstructure and its correlation with localized corrosion behaviour. Corrosion Science, v. 131, p. 300-309, 2018. DOI: 10.1016/j.corsci.2017.12.001. Disponível em: http://repositorio.ipen.br/handle/123456789/28942. 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.