Plating is an umbrella term that describes the process of enhancing the appearance or resistance of a component by depositing a metal onto the surface of the part.
There are many different types and methods of plating available, such as electroplating (which uses an electric current), electroless plating (a chemical process) and zinc plating, with the method and material used dependent on the objective. Gold or silver plating is regularly used within the production of jewellery in order to enhance aesthetics, whilst components produced for industries such as aerospace and marine are commonly plated to ensure robustness and protect against corrosion.
Used to produce
A coating on the surface of a component.
Materials
Most metals can be plated; however, this will depend upon the exact method used.
Advantages
Can be used to enhance the appearance of a component.
Increases the resistance of parts.
Lots of methods available.
Most metals can be plated.
Disadvantages
Some materials - such as gold - may tarnish over time.
May highlight imperfections on the surface of a component.
Can crack or chip under certain conditions.