Zirconia (Zirconium Oxide)

Description

Zirconia is also known as zirconium oxide (ZrO2). Zirconia ceramics are highly hard, wear resistant, corrosion resistant and biologically inert. It has high flexural strength and can meet special working conditions.

Features

High Strength
High hardness
Wear-resistant
Corrosion resistant
Self lubrication
Thermal stability
Bioinert
High fracture toughness

Applications

Board
Components and parts
Pumps
Plungers
Valve
Seals
Bearings
Ball
Protection tube
Other applications

GW Ceramics provides customized services

Properties

Mechanical Properties

	Colour	Density (g/cm³)	Mohs Hardness	Compressive Strength (Mpa)	Flexural Strength (Mpa)	Young’s modulus （GPa）	Fracture Toughness (MPa·m^1/2)	Poisson’s Ratio
Zirconia	white	5.6-6.07	8.5	＞1700	＞700	205	3.5-10	0.3

Thermal Properties

	Coefficient of Thermal Expansion (40-400°C) (× 10-6/℃)	Thermal Shock Resistance (℃)	Thermal Conductivity (W/m·K)	Maximum Operating Temperature (without load) (℃)
Zirconia	10.5	300	2-3	2100

Electrical Properties

	Dielectric Constant (1MHz)	Dielectric Strength (kV/mm)	Volume Resistivity (25°C) (Ω·cm)
Zirconia	23-26	10-15	＞10¹²

*The data in the charts show the properties of the ceramic materials.
*The above figures do not represent any commitment to the customer’s product.
*Due to differences in production processes and product forms, the final property data for ceramics may vary.