ZrO2 Zirconia presentation
Zirconium dioxide (ZrO2), sometimes known as zirconia (not to be confused with zircon), is a white crystalline oxide of zirconium. Its most naturally occurring form, with a monoclinic crystalline structure, is the rare mineral baddeleyite. The high temperature cubic crystalline form is rarely found in nature as mineral tazheranite (Zr,Ti,Ca)O2 (and a doubtful mineral arkelite). This form, also called cubic zirconia, is synthesized in various colours for use as a gemstone and a diamond simulant.
High fracture toughness
Thermal expansion similar to cast iron
Extremely high bending strength and tensile strength
High resistance to wear and to corrosion
Low thermal conductivity
Oxygen ion conductivity
Very good tribological properties (it is very well suited for slide rings)
ZrO2 Zirconia application
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