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What is Yttrium Oxide Used for

Yttrium oxide along with CaO, MgO and BN are considered as candidate materials for insulator coating. Particularly due to its extremely high temperature stability - up to approx. 2,200°C - and its outstanding resistance to alkaline melts with high oxygen affinity, Y2O3 is used in numerous special applications such as in insulators, glass, electrical conducting ceramics, refractories, and stains.

Global Yttrium Oxide

Yttrium oxide because of its properties may also be used as a laminated insulator. Y2O3 is the most thermodynamically stable compound in the oxide group. It is resistant to many reactive molten metals such as titanium or uranium. In its industrial application as a pure ceramic, yttrium oxide is still a relatively new material.

Yttrium oxide is suitable for use in many special applications such as refractory field. In the refractory field, the application range includes use as a compound for applications that require stability at high temperatures. For example, they can be made for graphite in nuclear technology as coating material. Because yttrium oxide forms a solid solution with uranium oxide, it is also employed as a diluting agent of uranium oxide for nuclear fuel rods.

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For producing of multilayer ceramic capacitors, Yttrium oxide is also employed as a dopant to reduce the Curie temperature of the barium titanate substrate due to its special properties.

Other applications of yttrium oxide include the following: as a precursor material for high-temperature superconductors, in the production of yttrium and other yttrium compounds, in red luminophores for CRT monitors, in the manufacture of IR and UV translucent glass, in insulators, glass, electrical conducting ceramics, refractories, and stains, in optical coatings, as a component of high-temperature superalloys and oxide dispersion strengthened materials and massive ceramics, and in coatings for semiconductor production technology equipment.

Keywords: Yttrium oxide,Y2O3,refractory field


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