Laser Cutting Service for Inductial Parts

This process is usually specific to aluminum parts as it involves the formation of protective aluminum oxide. The aluminum part is submerged into an acidic bath, with electricity being passed through the solution and the part serving as the anode. The oxygen released at the anode later forms the aluminum oxide layer on the surface of the part. Other than the resistance from corrosion, the protective layer also allows for any dye to be absorbed into its porous structure, providing many options for decorative finishing. Another interesting property is the insulation of the part from electricity, which makes this finishing ideal for many applications, including those exposed to weather.

This process involves a part submerged in a solution containing the ions of the desired metal used for plating, which can be done with or without the use of electricity. With electricity, electroplating enables greater control over the plating process when the electrical current and concentration of ions are adjusted, especially in the thickness of the plating layer and the speed of the chemical reactions. Without electricity, autocatalytic plating is achieved when the chemicals in the solution are unstable, depositing metal onto the part — which does not need to be conductive, unlike electroplating. Electroless nickel plating is an example of a popular method of plating because of the higher corrosion resistance over using chrome which in itself already has good corrosion resistance.