A process by which chemicals are used to purposefully induce the formation of a thin colored layer on the surface of metal, referred to as chemical patination.
A decorative technique that uses an electric current to deposit metal particles from an electrolytic solution into designated recesses on a metal object.
An ancient Japanese metalworking technique, translated to mean wood eye or wood grain, by which layers of contrasting colored metals are fused together with heat and pressure and worked to produce a patterned mixed-metal laminate.
