2.Gas turbine
3.special ceramics: Nanoscale zirconia can be used as a substrate material for polishes, abrasive particles, piezoelectric ceramics, precision ceramics, ceramic glazes and high temperature pigments.
4.Medical treatment : Zirconia can be used in dentures, artificial bones.
5.Oxygen transport material: Doped zirconia can conduct oxygen ions, so it can be used to make oxygen probes and electrolyte materials for solid oxide fuel cells.