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Zirconia ceramic sleeve

Zirconia ceramic sleeves are often used in mechanical and engineering applications where precision, reliability, and resistance to wear and corrosion are essential. They are commonly used as bearings, bushings, spacers, and insulators in machinery, equipment, and tools. Zirconia ceramic sleeves are known for their excellent mechanical properties, including high compressive strength, low thermal expansion, and resistance to abrasion and chemical attack.
  • 02A06

  • HaoRui

  • 02A06

Zirconia ceramic sleeves are cylindrical-shaped components made from zirconia, a type of advanced ceramic material known for its exceptional properties. These sleeves find applications in various industries due to their unique characteristics and advantages.

Properties of Zirconia Ceramic Sleeves:

  • High-Temperature Resistance: Zirconia ceramics exhibit outstanding thermal stability and can withstand extremely high temperatures, often exceeding 2,000 degrees Celsius (3,632 degrees Fahrenheit). This makes them suitable for applications involving intense heat, such as in high-temperature furnaces, kilns, and aerospace components.

  • Chemical Inertness: Zirconia ceramics are highly resistant to chemical reactions and corrosion. They are unaffected by most acids, bases, and solvents, making them ideal for use in harsh chemical environments.

  • Wear Resistance: Zirconia ceramics possess excellent wear resistance, surpassing that of traditional metals and alloys. This property is particularly advantageous in applications involving friction and abrasion, such as bearings, seals, and pump components.

  • Low Thermal Conductivity: Zirconia ceramics have low thermal conductivity, meaning they do not readily transfer heat. This property makes them suitable for applications where thermal insulation is required, such as in heat exchangers, crucibles, and thermal barriers.

  • High Strength and Hardness: Zirconia ceramics are characterized by their high strength and hardness, comparable to that of some metals. This makes them suitable for load-bearing applications and components subjected to mechanical stress.

Applications of Zirconia Ceramic Sleeves:

Zirconia ceramic sleeves are utilized in a wide range of industries, including:

  • Aerospace: Due to their high-temperature resistance and low thermal conductivity, zirconia ceramic sleeves are used in jet engines, rocket nozzles, and other high-temperature components.

  • Chemical Processing: Their chemical inertness makes zirconia ceramic sleeves suitable for handling corrosive chemicals in pumps, valves, and piping systems.

  • Metalworking: Zirconia ceramic sleeves are used as insulators in induction heating systems and as crucibles for melting metals.

  • Textile Industry: They are employed in high-temperature yarn production processes and as guides for molten polymer fibers.

  • Automotive Industry: Zirconia ceramic sleeves are used in oxygen sensors and catalytic converters due to their resistance to high temperatures and harsh environments.

In summary, zirconia ceramic sleeves are advanced ceramic components that offer exceptional properties such as high-temperature resistance, chemical inertness, wear resistance, low thermal conductivity, and high strength. These properties make them valuable in various industries, including aerospace, chemical processing, metalworking, textile, and automotive sectors.

Zirconia Ceramic Performance Table

Item Data Unit
Mechanical Characteristics Color Ivory -
Density 6.02
Bending Strength 800 MPa
Compressive trength 3000 MPa
Elastic Modulus 200 GPa
Fracture Toughness 8 MPa m1/2
Weber Coefficient 15 m
Vickers Hardness 1200 HV 0.5
Thermal Characterics Coefficient of Line Thermal Expansion 10 10-6K-1
Thermal Conductivity 3 W/mK
Thermal Shock Resistance(Put in Water) 300 ΔT °C
Max Working Temperature 1000 °C
Electrical Characteristics Volume Resistance at 20°C >1013 Ωcm
Dielectric Strength 11×106 V/m
Dielectric Constant 33 εr
One MHZ Dielectric Loss Angle at 20°C 0.0016 tanδ
Chemical Characteristics Nitric Acid (60%) 90°C ≒0.00 WT Loss mg/cm^2/day

Sulphuric Acid (95%) 95°C 0.04

Caustic Soda (30%) 80°C 0.08

The values are typical material properties and may vary according to products configuration and manufacturing process. For more details, Please feel free to contact us.

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