Electrolytic deposition of metal-based composite coatings comprising nano-particles
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United States of America Patent
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Dec 22, 2015
Grant Date -
Nov 25, 2010
app pub date -
Dec 10, 2008
filing date -
Dec 11, 2007
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Abstract
A method is provided for imparting corrosion resistance onto a surface of a substrate. The method comprises contacting the surface of the substrate with an electrolytic plating solution comprising (a) a source of deposition metal ions of a deposition metal selected from the group consisting of zinc, palladium, silver, nickel, copper, gold, platinum, rhodium, ruthenium, chrome, and alloys thereof, (b) a pre-mixed dispersion of non-metallic nano-particles, wherein the non-metallic particles have a pre-mix coating of surfactant molecules thereon; and applying an external source of electrons to the electrolytic plating solution to thereby electrolytically deposit a metal-based composite coating comprising the deposition metal and non-metallic nano-particles onto the surface.
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