Artículo
Anodisation of AZ91D magnesium alloy in molybdate solution for corrosion protection
Fecha de publicación:
04/2017
Editorial:
Elsevier Science Sa
Revista:
Journal of Alloys and Compounds
ISSN:
0925-8388
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We report the formation of a protective film on magnesium alloy AZ91D by means of anodisation under potentiostatic conditions in a molybdate solution. Results of the characterisation of the films by scanning electron microscopy (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) are presented. The anodic film is mainly composed by magnesium oxides or hydroxides and molybdenum oxides. The corrosion protection performance of the coating was investigated in Ringer solution by monitoring the open circuit potential, polarisation techniques and electrochemical impedance spectroscopy (EIS). The coated electrodes exhibit significant corrosion protection properties due to the presence of molybdenum species in the film.
Palabras clave:
Anodisation
,
Corrosion Resistance
,
Magnesium Alloy
,
Molybdate
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Identificadores
Colecciones
Articulos(CCT - BAHIA BLANCA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - BAHIA BLANCA
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - BAHIA BLANCA
Citación
Forero Lopez, Ana Deisy; Lehr, Ivana Leticia; Saidman, Silvana Beatriz; Anodisation of AZ91D magnesium alloy in molybdate solution for corrosion protection; Elsevier Science Sa; Journal of Alloys and Compounds; 702; 4-2017; 338-345
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