Enamel and titanium jewellery
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Titanium is a chemical element with the symbol Ti and atomic number 22. Sometimes called the "space age metal”, it has a low density and is a strong, lustrous, corrosion-resistant (including sea water, aqua regia and chlorine) transition metal with a silver color.

A metallic element, titanium is recognized for its high strength-to-weight ratio.

It is a strong metal with low density that is quite ductile (especially in an oxygen-free environment), lustrous, and metallic-white in color.

The relatively high melting point (more than 1,650 °C or 3,000 °F) makes it useful as a refractory metal. It is paramagnetic and has fairly low electrical and thermal conductivity.

Because it is biocompatible (non-toxic and is not rejected by the body), titanium is used in a gamut of medical applications including surgical implements and implants.

Coloring titanium for its purely decorative effect is one of those processes that ignores the conventional aims, thinking, and criteria of industrial practiced and substitutes aims that are purely subjective and creative. Coloring titanium is possible because its surface, when properly prepared, is highly reactive upon exposure to certain conditions, and forms a series of colors due to the development of a tenacious oxide film. Decidedly decorative in appeal, this oxide film is highly resistant to a wide variety of corrosive substances that would affect other metals. Colors are permanent if unabraded, and if the oxide film is thick enough, will not fade or tarnish.

Two for coloring titanium are possible: coloring by the use of heat, which is more difficult to control and coloring by electrochemistry which with proper controls allows exact, predictable color results.

by Atana