An Investigation on the Effects of SiC Particle Sizes at Different Concentrations on Corrosion Resistance of Nickel Composite Electroless Coatings

An Investigation on the Effects of SiC Particle Sizes at Different Concentrations on Corrosion Resistance of Nickel Composite Electroless Coatings abstract

The nickel electroless composite coatings with SiC particles are very useful because of their great tnbological properties. The aim of this research was to study the effects of SiC particles at different concentrations on the corrosion resistance of nickel e1ectroless coatings. The electroless bath was prepared by different particle sizes of SiC coated on steel substrate. Corrosion resistance has been determined. by using potentiostatic polarization method. The samples were subjected to metallographic examinations using SEM and EDX techniques. The results were compared with Ni-P electroless coating. They revealed that increasing SiC particles could decrease corrosion resistance of these coatings. Also, increasing SiC concentration could increase corrosion rate due to the formation of galvanic cells. Decreasing SiC particles could increase volume percentage of SiC particles in coating and. making more available galvanic sites.

An Investigation on the Effects of SiC Particle Sizes at Different Concentrations on Corrosion Resistance of Nickel Composite Electroless Coatings Keywords:

electroless coating , Ni-P , electroless composite coatings , corrosion resistance.

An Investigation on the Effects of SiC Particle Sizes at Different Concentrations on Corrosion Resistance of Nickel Composite Electroless Coatings authors

M Norouzi

MSc. Students, Scho ol of Metallurgy and MJJterials Eng., University Collage of Eng.University of Tehran

M LeyIaz Mehrabadi

MSc. Students, School of Metallurgy and MJJterials Eng., University Collage of Eng., University of Tehran

S.R Allahkaram

Associate Proj, Scho ol of Metallurgy and Materials Eng., University Collage of Eng.,University of Tehran

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https://civilica.com/doc/67261

Document National Code:

INCC10_043

Index date: 22 February 2009

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Norouzi, M and LeyIaz Mehrabadi, M and Allahkaram, S.R,1386,An Investigation on the Effects of SiC Particle Sizes at Different Concentrations on Corrosion Resistance of Nickel Composite Electroless Coatings,10th Iranian National Corrosion Congress,Tehran,https://civilica.com/doc/67261

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Ranking of University of Tehran

Type of center: دانشگاه دولتی

Paper count: 115,507

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