Titanium metallic discoloration
Titanium Metallic Discoloration
Titanium Metallic Discoloration (pronunciation: ti-tay-nee-um me-ta-lik dis-ko-luh-ray-shun) is a phenomenon observed in Titanium and its alloys when exposed to certain environmental conditions.
Etymology
The term is derived from the element 'Titanium', named after the Titans of Greek mythology, and 'Metallic Discoloration', which refers to the change in color of a metal surface.
Definition
Titanium Metallic Discoloration is the change in color of titanium surfaces due to oxidation or other chemical reactions. This can occur due to exposure to high temperatures, certain chemicals, or other environmental factors. The discoloration can range from a light straw color to dark blue or purple, depending on the thickness of the oxide layer.
Related Terms
- Titanium: A chemical element with the symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density, and high strength.
- Oxidation: A chemical reaction that involves the moving of electrons from a substance to an oxidizing agent.
- Oxide Layer: A thin layer of oxide that forms on the surface of a metal when it is exposed to oxygen.
- Discoloration: The act of discolouring or the state of being discoloured.
Causes
Titanium Metallic Discoloration is primarily caused by the formation of an oxide layer on the surface of the titanium. This can occur due to exposure to high temperatures, certain chemicals, or other environmental factors. The thickness of the oxide layer determines the color of the discoloration, with thinner layers resulting in lighter colors and thicker layers resulting in darker colors.
Prevention and Treatment
Preventing Titanium Metallic Discoloration involves controlling the environmental conditions to which the titanium is exposed. This can include maintaining lower temperatures, avoiding certain chemicals, and controlling the oxygen content in the environment. Treatment of Titanium Metallic Discoloration can involve removing the oxide layer through processes such as acid etching or abrasive blasting.
External links
- Medical encyclopedia article on Titanium metallic discoloration
- Wikipedia's article - Titanium metallic discoloration
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