information centre / Ceramic material / Introduction to Zirconia Ceramic Materials

Introduction to Zirconia Ceramic Materials

Introduction

Zirconia, a precision ceramic material with high mechanical strength and fracture toughness, is used in blades, shears, cutting tools, and pump components. Its thermal and chemical stability makes it essential for high-temperature and corrosive environments in aerospace, automotive, and electronics industries.

Contact Us
Live
Specifications|Support customization
Drawings of precision ceramic plates and rods
Plate material mm (L, H, and W can be selected as needed, customization supported)
L 3 5 8 10 12 15 18 20 22 25 28 More (Customizable)
W*H 100*100 90*140 95*145 150*150 160*160 122*290 110*275         More (Customizable)
Rod material mm (W, Ø can be selected as needed, customization supported)
Ø 0.5 0.8 0.9 1 1.5 2 2.5 3 3.5 4 4.5 More (Customizable)
W 60 100 120 200               More (Customizable)
Features

Zirconia (Zirconium dioxide, ZrO2) is a highly unique and valuable ceramic material, possessing a variety of remarkable properties.

1. Outstanding Mechanical Performance and Applications

Zirconia (Zirconium dioxide, ZrO2) exhibits superior mechanical characteristics compared to alumina, including higher strength and fracture toughness. These properties make zirconia an ideal choice for many industrial applications, especially in environments requiring materials to withstand extreme forces and wear.

  • High Strength and Fracture Toughness: Zirconia surpasses many traditional ceramic materials in strength and toughness, allowing it to remain stable under impact and stress, reducing the risk of fracture.
  • Industrial Applications: Due to its high strength and wear resistance, zirconia is commonly used in manufacturing various high-performance industrial components such as parts in milling machines, sliding components, and cutting tool blades. These applications often demand materials capable of withstanding repeated mechanical stress without failure.

2. Excellent Thermal Insulation and Low Thermal Conductivity

Zirconia also boasts excellent thermal insulation properties, with significantly lower thermal conductivity compared to other ceramic materials.

  • Low Thermal Conductivity: Zirconia has only one-tenth the thermal conductivity of some other common ceramic materials. This characteristic makes it highly useful in applications requiring insulation or thermal management.
  • Thermal Management Applications: For example, in certain chemical processing equipment and high-temperature furnaces, zirconia can be used as a thermal barrier, helping to control temperatures and protect sensitive mechanical components from overheating damage.
Primary characteristics
Type Unit Zirconia Zirconia(ZrO2-MgO)
Material \ 94.4%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94.4%
ZrO2-MgO
Colour \ White Black Blue Yellow
Density g/cm3 6 5.6 6 5.7
Mechanical properties
Type Unit Zirconia Zirconia(ZrO2-MgO)
Material \ 94.4%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94.4%
ZrO2-MgO
Colour \ White Black Blue Yellow
Flexural Strength(20℃) Mpa 800 710 900 500
Compressive Strength(20℃) Mpa 2000 2000 2000 2500
Modulus of Elastic(young)(20℃) Gpa 200 210 220 250
Tracture Toughness(20℃) MPam½ 9 8 8 6
Poi sion’s Ratio(20℃) \ 0.3 0.3 0.3
Hardness HRA(20℃) HRA 88 85 90
Vickers Hardness(HV1) kg/mm2 1175 1100 1220 1100
Rockwell Hardness(45N) R45N 78 75 78
Thermal properties
Type Unit Zirconia Zirconia(ZrO2-MgO)
Material \ 94.4%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94.4%
ZrO2-MgO
Colour \ White Black Blue Yellow
Thermal Expansion Coefficient 10-6K-1 9.6 9.5 10 10
Thermal Conductivity W/mk 2.5 3 3 3
Thermal Shock Resistance △T.℃ 250 300 300 450
Specific Heat Capacity J/g·k 0.46 0.48 0.46
Max working Temperature(In Oxidizing) 800 800 800 2100
Electrical properties
Type Unit Zirconia Zirconia(ZrO2-MgO)
Material \ 94.4%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94%
ZrO2-Y2O3
94.4%
ZrO2-MgO
Colour \ White Black Blue Yellow
Vol une Resistivity at 20℃ Ωcm 1014 1010 1014 1014
Dielectric Strength KV/mm 13 13 13 13
Dielectric Constant \ 28 28 28 28
Dielectric LossAngle at 20℃,1MHz20℃ tanδ 17*10-4 17*10-4 17*10-4 17*10-4
*Values ​​are typical material properties, actual values ​​may vary due to product configuration and manufacturing process.
*For more details, please feel free to contact our company.
Other
Precision ceramic products
silicon nitride component

Silicon Nitride Precision Ceramic Components

Material:Silicon Nitride Ceramics

Describe:Explore structural components made from precision silicon nitride (Si3N4) ceramic, featuring precise geometric shapes and multiple functional holes for fluids, gases, or wires. These components ensure high accuracy and compatibility in assembly and operation.

zirconia ceramic cutting blade

Zirconia ceramic cutting blade

Material:Zirconia Ceramics

Describe:Custom zirconia ceramic cutting blade designed for precise cutting of lithium battery separators. Known for its exceptional hardness and wear resistance, this blade maintains sharpness for extended cutting performance. Featuring multiple holes and precise mounting points, it ensures stable and precise alignment during high-speed operations.

Aluminum oxide ceramic heat sink plate

Alumina Ceramic Heat Sink

Material:Alumina ceramics

Describe:Alumina ceramic heat sinks, also known as high-temperature resistant corrugated sheets or insulating wear-resistant corundum setter plates, offer excellent heat dissipation, high-temperature resistance, insulation, and wear resistance. Ideal for electronics, aerospace, automotive, and industrial heat treatment applications, they meet modern industrial demands and adapt to extreme environments.

SVS ceramic end gripper

Alumina ceramic handling arm

Material:Alumina ceramics

Describe:Customized alumina (Al2O3) ceramic handling arms, also known as semiconductor silicon wafer handling fork arms. These arms ensure secure connections and stable handling in semiconductor manufacturing and high-precision industrial automation due to their precise shapes, wear resistance, and high-temperature stability in clean environments.

High-temperature alumina ceramic heating protection tube

Alumina ceramic tube

Material:Alumina ceramics

Describe:Sapphire ceramic tubes and high-temperature alumina ceramic heating protection tubes are precision ceramic products known for exceptional thermal stability, corrosion resistance, high-temperature stability, and wear resistance. Widely used across fields, they support equipment performance, reliability, and stability effectively.

silicon nitride ceramic bearing roller

Silicon nitride ceramic bearing rollers

Material:Silicon Nitride Ceramics

Describe:Discover silicon nitride (Si3N4) ceramic bearing rollers, known for their high strength and wear resistance. Widely used in aerospace, automotive, electronics, and industrial machinery, these rollers enhance bearing durability, reduce maintenance, and extend equipment lifespan.