Forming a metal coating on surface of thermoplastic substrate of composite material used in e.g. decoration field, by increasing the surface roughness of substrate by laser ablation, and projecting metal particles to surface of substrate

摘要

Forming a metal coating (10) on a surface of a thermoplastic substrate (9), comprises: increasing the surface roughness of the thermoplastic substrate by laser ablation; projecting metal particles to a porous surface of the thermoplastic substrate by cold gas dynamic spraying, so as to obtain, at the surface of the thermoplastic substrate, an intermediate layer comprising metallic particles located in the rough surface of the thermoplastic substrate; and depositing metal particles on the intermediate layer to form the metal coating. An independent claim is included for a composite material including a thermoplastic substrate and the metal coating.