Article and a method of making an article

An article, the article including a surface being made of a composite material including a matrix made of plastics material or a surface being made of an organic material, and a thermal sprayed first layer of coating material directly on the surface, and a further layer directly on the first layer, the coating material of the first layer being wholly metal material, the further layer comprising at least 50 wt. % of zirconia, wherein the first layer is electrically conductive and may be connected to earth to provide electromagnetic shielding, and wherein the article is provided by a method in which the first layer is applied to the surface with only micro-scale melting of the surface by thermally spraying at a rate of less than 70 g/min, and in which the further layer is bonded to the first layer with only micro-scale melting of the surface by thermally spraying particles of size 50 to 90 micrometres at a rate of less than 100 g/min.

A method of coating a surface being made of a composite material including a matrix made of plastics material or a surface being made of an organic material, the method comprising thermal spraying a first layer of coating material directly onto the surface and to a thickness of less than 200 micrometres, and thus bonding the first layer of coating material to the surface with only micro-scale melting of the surface by thermally spraying at a rate of less than 70 g/min, and subsequently depositing a further layer directly on the first layer, the further layer being bonded to the first layer with only micro-scale melting of the surface by thermally spraying particles of size 50 to 90 micrometres at a rate of less than 100 g/min, the coating material of the first layer being wholly metal material, the further layer being of a material with a higher melting point than the coating material of the first layer, wherein the first layer is electrically conductive and may be connected to earth to provide electromagnetic shielding.