Preparation and characterization of electroless Ni-P-Fe3O4 composite coatings and evaluation of its high temperature oxidation behaviour

A. A. Zuleta, O. A. Galvis, J. G. Castaño, F. Echeverría, F. J. Bolivar, M. P. Hierro, F. J. Pérez-Trujillo

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

44 Citas (Scopus)

Resumen

Ni-P coatings modified with synthetic magnetite were prepared by electroless technique from a Ni-P plating bath containing magnetite powder. The coatings morphology was studied by means of scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDS). The corrosion resistance at room temperature of the Ni-P films modified with magnetite was evaluated by means of electrochemical impedance spectroscopy (EIS), where the composite films exhibited a better behaviour. The films resistance to high temperature oxidation was evaluated by cyclic oxidation tests, SEM/EDS and X-ray diffraction analysis (XRD), where the coating with iron oxides appears to be more protective.

Idioma originalInglés
Páginas (desde-hasta)3569-3578
Número de páginas10
PublicaciónSurface and Coatings Technology
Volumen203
N.º23
DOI
EstadoPublicada - 25 ago. 2009
Publicado de forma externa

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