PREPARATION AND CORROSION RESISTANCE OF NiP/TiO2 COMPOSITE FILM ON CARBON STEEL IN

Acta Metallurgica Sinica (English Letters) ›› 2006, Vol. 19 ›› Issue (2): 117-123 .

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PREPARATION AND CORROSION RESISTANCE OF NiP/TiO2 COMPOSITE FILM ON CARBON STEEL IN

L.Z. Song, S.Z. Song and J. Zhao

燕山大学环境与化学工程学院

Received:2005-05-16 Revised:2005-09-06 Online:2006-04-25 Published:2009-10-10

Abstract

Abstract: A NiP/TiO2 composite film on carbon steel was prepared by electroless plating and sol-gel composite process. An artificial neural network was applied to optimize the prepared condition of the composite film. Corrosion behavior of the NiP/TiO2 composite film was investigated by polarization resistance measurement, anode polarization, ESEM (environmental scanning electron microscopy) and EIS (electrochemical impedance spectroscopy) measurements. Results showed that the NiP/TiO2 composite film has a good corrosion resistance in 0.5mol/L H2SO4 solution. The element valence of the composite film was characterized by XPS (X-ray photoelectron spectroscopy) spectrum, and an anticorrosion mechanism of the composite film was discussed.

Key words: electroless plating and sol-gel composite process, artificial neural

L.Z. Song, S.Z. Song , J. Zhao. PREPARATION AND CORROSION RESISTANCE OF NiP/TiO2 COMPOSITE FILM ON CARBON STEEL IN[J]. Acta Metallurgica Sinica (English Letters), 2006, 19(2): 117-123 .

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PREPARATION AND CORROSION RESISTANCE OF NiP/TiO2 COMPOSITE FILM ON CARBON STEEL IN

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