Anodising is a process of forming a thick oxide layer of alumin... | Filo

This is "Titanium Anodizing". It's a dye-free process which uses electricity and oxygen to increase the layer of oxide on the metal part. Different colors correspond with different applied voltages. The process is creating titanium oxide in varying thicknesses which creates varying colors.

Titanium Anodizing | ChemTalk

Did you know that titanium parts can be anodized to enhance their performance and aesthetics? Why Anodize Titanium parts?- Corrosion Resistance: The oxide layer protects parts from harsh… | Becky Yuan