Microhardness and corrosion behavior of Ni–SiC electrodeposited coatings in presence of organic additives

Electrodeposited composite coatings show a large development potential thanks to particular properties obtained by the incorporation of particles. In the present work, we describe the electrodeposition of pure nickel and the codeposition of Ni–SiC on preheated substrates of steel using nickel chlori...

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Bibliographic Details
Published in:Surface & coatings technology 2011-07, Vol.205, p.S161-S164
Main Authors: Temam, Hachemi Ben, Chala, Abdelouahed, Rahmane, Saâd
Format: Article
Language:English
Subjects:
Applied sciences
Corrosion
Corrosion environments
Cross-disciplinary physics: materials science
rheology
Electrodeposition
Exact sciences and technology
Materials science
Metallic coatings
Metals. Metallurgy
Microhardness
Morphology
Physics
Production techniques
Surface treatment
Surface treatments
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Summary:Electrodeposited composite coatings show a large development potential thanks to particular properties obtained by the incorporation of particles. In the present work, we describe the electrodeposition of pure nickel and the codeposition of Ni–SiC on preheated substrates of steel using nickel chloride fluid with organic additives. Traditional characterization tests such as adherence, corrosion behavior in 0.6M NaCl, optical and scanning electronic microscopy, X-ray diffraction and Vickers microhardness permitted us to conclude that the presence of organic additives has directly a positive influence on the crystalline structure and the morphology of elaborated coatings.
ISSN:0257-8972
1879-3347
DOI:10.1016/j.surfcoat.2011.04.086