Anodizing Titanium and Niobium

  • Description and Chris Boothe demonstrate the coloring of titanium and niobium through electrical anodizing. A process combining science and art, it is used in the creation of titanium wedding rings and other titanium jewelry. When electricity is used to create colors on niobium and titanium, the process is called anodizing. During anodizing, the metal is immersed into an electrolytic bath through which an electric current is passed, causing an oxide layer to form on the surface of the metal. Light striking the surface of the oxide layer and the metal below will result in two refracted light rays which reinforce each other and produce different colors depending on the thickness of the oxide layer. This phenomenon, called optical interference, is responsible for holographic images and the iridescent colors in butterfly wings and soap bubbles. The colors are called interference colors, and were first described by Issac Newton in the 1670s. For more information about Exotica Jewelry's titanium creations, please visit: http://www.TitaniumRingsForever.comhttp://Jewelry.ExoticaWorks.com

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