2012Journal of Functional BiomaterialsOpen access

Electroplating n-ZrO_2/Ni composite coatings on AZ91D magnesium alloy and corrosion resistance

Liang Li

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Abstract

n-ZrO2/Ni composite coatings were prepared by electrodeposition on AZ91D magnesium alloy surfaces which was plated by Ni-P.The surface morphology,section morphology and corrosion resistance of the composite coatings were compared and analyzed.The results showed that the n-ZrO2/Ni composite coatings were more compact and smooth and its grains were smaller than pure Ni coatings.The n-ZrO2/Ni composite coatings had an evident passivation region and showed excellent corrosion resistance

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What this paper is about

n-ZrO2/Ni composite coatings were prepared by electrodeposition on AZ91D magnesium alloy surfaces which was plated by Ni-P.The surface morphology,section morphology and corrosion resistance of the composite coatings were compared and analyzed.The results showed that the n-ZrO2/Ni composite coatings were more compact and smooth and its grains were smaller than pure Ni coatings.The n-ZrO2/Ni composite coatings had an evident passivation region and showed excellent corrosion resistance

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Available abstract

n-ZrO2/Ni composite coatings were prepared by electrodeposition on AZ91D magnesium alloy surfaces which was plated by Ni-P.The surface morphology,section morphology and corrosion resistance of the composite coatings were compared and analyzed.The results showed that the n-ZrO2/Ni composite coatings were more compact and smooth and its grains were smaller than pure Ni coatings.The n-ZrO2/Ni composite coatings had an evident passivation region and showed excellent corrosion resistance

Key concepts: Materials science, Corrosion, Passivation, Electroplating, Composite number, Metallurgy, Alloy, Conversion coating

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