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Nanocomposite Layers Obtained by Electro-Co-Deposition: Corrosion and Tribocorrosion Properties

High dispersed nano and micro particles as ceramics (SiC, TiC, WC, Al2O3), polymers (UHMWPE) or bioceramics (TiO2, CeO2, ZrO2) have been deposited by electrochemical method with nichel or cobalt on metallic substrate to obtain novel structured composites, cermet or hybrid coatings with specific properties to be used in industrial or biomedical applications. The industrial applications for metal matrix based nanocomposites are increasing and open a way to biocompatible coatings. electrodeposition is considered to be one of the most important techniques for producing nanocomposites and nanostructured surfaces. Electrodeposition is exceptionally versatile, so that new and exciting applications are still being invented. The paper presents some results regarding the electro-co-deposition of dispersed phases as ZrO2, CeO2, SiC, WC, TiC or polymeric dispersed phases as UHMWPE (ultra high molecular weight polyethylene) during cobalt or nickel electroplating process in view of obtaining new advanced functional surfaces with improved properties to corrosion or tribocorrosion systems.