Coated article having a stainless steel color

C - Chemistry – Metallurgy – 25 – D

Patent

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Details

C25D 5/28 (2006.01) B32B 15/01 (2006.01) B32B 15/20 (2006.01) C23C 28/00 (2006.01) C25D 5/14 (2006.01)

Patent

CA 2410450

An article is coated with a multi-layer coating having a stainless steel color. The coating comprises an electroplated layer or layers on the article surface, a refractory metal or refractory metal alloy strike layer on the electroplated layer or layers, a color layer containing a refractory metal oxide or refractory metal alloy oxide having a substoichiometric oxygen content on the strike layer, and a refractory metal oxide or refractory metal alloy oxide having a substanstantially stoichiometric oxygen content layer on said color layer.

L'invention concerne un article pourvu d'un revêtement multicouche ayant une couleur d'acier inoxydable. Le revêtement comprend successivement : au moins une couche appliquée par électrodéposition sur la surface de l'article ; - sur la ou les couches appliquées par électrodéposition, une couche d'amorce en métal réfractaire ou alliage métallique réfractaire ; - sur la couche d'amorce, une couche de couleur contenant un oxyde métallique réfractaire ou un oxyde d'alliage métallique réfractaire ayant un contenu d'oxygène substoichiométrique et, sur cette couche de couleur, une couche d'oxyde métallique réfractaire ou d'oxyde d'alliage métallique réfractaire ayant une teneur sensiblement stoichiométrique d'oxygène.

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