Zirconium Dioxide Ceramics Description
Zirconium Dioxide Ceramics are used to manufacture crucibles for melting metals. The melting point of ZrO2 Ceramics is high, thermal conductivity is low and heat insulation capacity is high. The zirconium dioxide is not wet with the molten metal. Especially, it is suitable for baking a ferrite electric device. At room temperature, it is the material with higher mechanical strength and stronger fracture toughness among all major fine ceramics.
Zirconium Dioxide Ceramics Specifications
|
CaO Content
|
4%
|
30%
|
7.5%
|
|
Standard size (mm)
|
Customized
|
|
Chemical composition (%)
|
ZrO2
|
95.43
|
72.19
|
91.34
|
|
CaO
|
4.00
|
27.20
|
8.1
|
|
SiO2
|
0.13
|
0.27
|
0.19
|
|
MgO
|
0.10
|
0.13
|
0.05
|
|
Al2O3
|
0.11
|
0.06
|
0.08
|
|
Fe2O3
|
0.11
|
0.09
|
0.12
|
|
TiO2
|
0.11
|
0.05
|
0.11
|
|
Physical properties
|
Apparent porosity (%)
|
32.1
|
21.8
|
24.8
|
|
Apparent density (g/cm3)
|
5.6
|
4.7
|
5.5
|
|
Bulk density (g/cm3)
|
3.8
|
3.7
|
4.1
|
|
Water absorption (%)
|
8.4
|
5.9
|
6.1
|
|
Three point bending strength (MPa)
|
23.0
|
22.4
|
58.6
|
Zirconium Dioxide Ceramics Application
Zirconium Dioxide Ceramics, commonly known as zirconia ceramics, are highly valued for their exceptional mechanical properties and versatility across various industries. They are widely used in dental and medical implants, such as crowns, bridges, and orthopedic components, due to their strength, biocompatibility, and aesthetic appeal. In aerospace and automotive applications, zirconia ceramics are employed as thermal barrier coatings and in engine components, benefiting from their ability to withstand high temperatures and abrasive conditions. They are also utilized in cutting tools and abrasives for their hardness and wear resistance, improving performance and longevity. In the electronics industry, zirconia ceramics serve as insulating substrates in electronic devices and are used in capacitors and sensors for their stable dielectric properties. Additionally, they are applied in refractory materials for high-temperature environments, optical components like lenses and filters for their high refractive index, and as catalysts or catalyst supports in chemical processes. Their use in additive manufacturing (3D printing) allows for the production of high-precision ceramic parts. The combination of high strength, toughness, thermal stability, and chemical resistance makes Zirconium Dioxide Ceramics essential for these demanding applications.
Zirconium Dioxide Ceramics Packaging
Our Zirconium Dioxide Ceramics are carefully handled during storage and transportation to preserve the quality of our product in its original condition.
Zirconium Dioxide Ceramics FAQs
Q1: What types of stabilization are used in Zirconia ceramics?
Stabilizers such as yttria (Y₂O₃), magnesia (MgO), and calcia (CaO) are added to improve phase stability and enhance properties.
Q2: What are the benefits of stabilized Zirconia?
Enhanced toughness, resistance to thermal shock, and improved longevity of the material in demanding applications.
Q3: How are Zirconia ceramics manufactured?
Typically produced by powder metallurgy techniques involving pressing and sintering at high temperatures.
