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
Zirconia ceramic shaft

Zirconia Ceramic Rod

Material:Zirconia Ceramics

Describe:Zirconia ceramic shafts and positioning plungers offer high temperature and wear resistance, crucial for motors, pumps, and mechanical transmissions in modern industry.

Magnesium Stabilized Zirconia Ceramic Polished Sealing Ring

Material:Zirconia Ceramics

Describe:Our magnesia stabilized zirconia polished seal rings are engineered for superior mechanical strength, fracture toughness, and wear resistance. Compared with alumina ceramics, zirconia provides enhanced durability, while the magnesia stabilization ensures high thermal and chemical stability. With a polished surface finish, these seal rings achieve low friction, excellent sealing performance, and extended service life, making them an ideal choice for...

Ultra-thin ceramic partition plate

Ultra-thin silicon nitride ceramic plate

Material:Silicon Nitride Ceramics

Describe:Explore ultra-thin silicon nitride ceramic plates for high-temperature environments like heat exchangers and combustion chambers. Ideal for lightweight, high-strength applications in semiconductor manufacturing and other industries, their chemical stability and low thermal expansion coefficient ensure superior mechanical and thermal performance.

Silicon Nitride Ceramic Rod

Material:Silicon Nitride Ceramics

Describe:Silicon nitride ceramic rod is a high-performance engineering ceramic material with excellent properties such as high strength, high temperature resistance, wear resistance, corrosion resistance, low thermal expansion, and insulation. It is widely used in industry, semiconductors, medical treatment, scientific research and other fields.

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.

Custom ultra-large silicon nitride ceramic sleeve

Ultra-large Silicon Nitride Ceramic Sleeves

Material:Silicon Nitride Ceramics

Describe:Discover a silicon nitride ceramic sleeve with precise machining and a smooth outer surface, ensuring reliability in high-performance applications. Ideal for large-scale mechanical equipment like pumps or high-pressure systems, silicon nitride offers exceptional mechanical strength, high temperature resistance, thermal shock stability, and abrasion resistance.