Zirconia Ceramics Properties and Uses

What is zirconia pottery?

Zirconia ZrO2 can be described as the crystalline ore of zirconium. Its color ranges from white to black. Most common is the monoclinic structure. Zirconia, one of its most important materials, is very popular.

Zirconia (a form of ceramic material) is used for several purposes.

This structure of zirconia contains metal atoms and raises the question about whether zirconia could be classified as a type of ceramic. This allows zirconia combine the high inherent strength of metals and the biocompatibility that ceramics offer.

Most common zirconia grade

Yttria spartaned zirconia YYPSZ

Youtria partially stabilized zirconia, or Y-PSZ (Yttria partial stabilized Zirconia) can be doped with the yttrium oxygen (Y2O3) as an stabilizer. This stabilizer will enhance the grain structure of the material and transform it from monoclinic towards tetragonal. This material is finer than all other ceramics and has the best bending strength. It's very resistant to impact and wear as well as having low thermal conductivity. This usually makes it a good substitute for metal. The materials toughness is due to the inclusion of ytrium oxide (Yttria). A material that is under stress will have a crystal structure change from monoclinic or tetragonal, which can lead to an approximately 3-5% increase in its highly localized volumes. By increasing the volume, cracks shrink, reducing their potential to grow or propagate. This leads to the materials low sensitivity and excellent bending properties.

Magnesium or partially stabilised zirconia.

Zirconia that has been doped with magnesium dioxide (MgO), may also cause compression in the internal matrix. However this structure can be described as cubic. M-PSZ does not experience phase migration, so it has better resistance to heat and humidity. M-PSZ maintains its strength, even under high temperature and humidity conditions.

Zirconia Ceramics Properties

High densities up to 6.1g/cm3.

Very high bending resistance and hardness.

Outstanding fracture toughness-impact resistance.

Maximum operating temperature:

Resistance to Wear.

Reliable friction.

Electro-insulator.

The thermal conductivity is low at around. 10% alumina.

Anti-corrosion and Acid Resistance

A similar elastic modulus to steel.

Thermal expansion coefficient similar to that for iron.

Zirconia Ceramics Uses

Wire forming / drawing die.

Insulate Ring during Heat Treatment.

Precision axles for high wear conditions and axles that can withstand extreme temperatures.

Furnace processing tube.

Wear-resistant pad.

Protective Tube for Thermocouple.

Sandblasting nozzle.

Refractory material.

Extrusion die.

Bushing and cap.

Kiln Furniture Crucible.

Optical fiber bushing.

Knives or blades.

Car parts for fuel cells.

Bearings or rollers.

Welding pins and nozzles.

Laser parts.

Gas igniter.

Ceramic guide.

Oxygen sensor.

Components for medical and surgical procedures.

Mechanical Seal.

Liners, pistons, and pumps.

Zirconia-ceramics Processing

Zirconia can be transformed into complex geometric shapes easily using its raw blanks. The main body of zirconia ceramics will shrink approximately 20% because it is required for the final densification process. These shrinkages make it impossible for pre-sintering to be within very precise tolerances.

When processing sintered materials, diamond tools should be used in order to meet very tight tolerances. The diamond coated grinding wheel / tool is used to cut the material into desired shapes. It can be time-consuming, expensive and difficult due to the hardness and inherent toughness of this material.

Zirconium dioxide Price

The market supply and demand as well industry trends influence price.

To get the latest price on zirconia powder, please send us an enquiry. (sales1@rboschco.com)

Zirconium dioxide Supplier

RBOSCHCO is a trusted global chemical material supplier&manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials. We export to several countries such as Canada, Europe. UAE. South Africa. Tanzania. Kenya. Nigeria. Cameroon. Uganda. Turkey. Mexico. Azerbaijan. Belgium. Cyprus. Czech Republic. Brazil. Chile. Dubai. Japan. Korea. Vietnam. Thailand. Malaysia. Indonesia. Australia. Germany. France. Italy. Portugal.

RBOSCHCO has established itself as the leading manufacturer in nanotechnology. Our expert team is able to provide solutions that will improve the efficiency of different industries, add value, and help you overcome various obstacles.

For Zirconium dioxide powder inquiries, send an email. (sales1@rboschco.com)


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