Aluminum naturally forms an oxide layer on its surface when exposed to air. Anodizing in an electrolytic cell creates a thicker oxide layer that makes the part more resistant to corrosion and wear.

Anodizing is an electrochemical process some jewelers use to change the color of metals such as titanium, aluminum, and niobium. Dipping a reactive metal into a "bath" mixture of low-sudsing ...

But this hack that shows you how to anodize titanium in your home laboratory (or kitchen for that matter) and it might help the metal make its ... This is one of two anodizing methods shown.