Repetitive corrugation and straightening effect on the microstructure, crystallographic texture and electrochemical behavior for the Al-7075 alloy

[EN] Anti-corrosion susceptibility is one of the top criteria for selecting metallic materials for several industrial applications. This work studies the corrosion performance of an Al-7075 alloy obtained by repetitive corrugation and straightening (RCS). This processing method generated a microstru...

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Detalles Bibliográficos
Autores: Romero-Resendiz, L., Hernández, M., Cabrera, J.M., Elizalde, S., Figueroa, I.A., Covelo, A., González, G., Amigó, Vicente|||0000-0002-2107-0273
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/200726
Acceso en línea:https://riunet.upv.es/handle/10251/200726
Access Level:acceso abierto
Palabra clave:Aluminum alloy
Texture
Electrochemical impedance spectroscopy
Microstructure
Corrosion
X-ray diffraction
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Descripción
Sumario:[EN] Anti-corrosion susceptibility is one of the top criteria for selecting metallic materials for several industrial applications. This work studies the corrosion performance of an Al-7075 alloy obtained by repetitive corrugation and straightening (RCS). This processing method generated a microstructure formed by randomly distributed micro-, submicro-, and nano- metric grain sizes. The samples exhibited a drop in corrosion resistance for a longer duration in the electrolyte and higher deformation. However, the samples processed by RCS showed better electrochemical stability than the non-deformed condition. The improved electrochemical stability could be associated with the particular microstructure generated during the RCS process.

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