A component made of carbon fiber reinforced plastic is described, consisting of or comprising a matrix material (M) and carbon fibers embedded into the matrix material (M), wherein the component has at least one surface portion (A), having one or a plurality of exposed regions of the carbon fibers, characterized in that the exposed regions(s) of the carbon fibers is or are selectively coated with a layer (S). A process for producing such a component and also an assembly comprising such a component and one or a plurality of further components comprising or consisting of a material such as steel, iron, copper, magnesium or aluminum or alloys thereof are also described.