Zirconia Ceramic Components

Zirconia Ceramic Components

(ZrO2)

zirconia ceramics, technical ceramics, advanced ceramics, fine ceramics, industrial ceramics, precision ceramics, ceramic components, ceramic parts, lithaiwa

Zirconia ceramics is the strongest and toughest material among advanced ceramics.

Zirconia (ZrO2) has a monoclinic crystal structure at room temperatures, but transforms
to cubic and tetragonal structures at elevated temperatures. This transition can result in
the development of stresses during cooling which negatively impact the strength of the material.

Type of Zirconia Ceramics:

1. Properties of Yttria Stabilized Zirconia ceramics: The working temperature is up to 2100 ℃; high density, low thermal conductivity; chemically inert; anti-metal melting; ion conductivity; wear resistance, high hardness, high fracture toughness;

2. Properties of Cerium Stabilized Zirconia ceramics: The working temperature is up to 2100 ℃; high density, low thermal conductivity; chemically inert; resistance to metal melting; wear resistance, high hardness, high fracture toughness;

3. Properties of Magnesium Stabilized Zirconia ceramics: The working temperature is up to 2400 ℃; high density, low thermal conductivity; chemically inert; resistance to metal melting; wear resistance, high hardness, high fracture toughness.

Typical Physical Properties of Zirconia Ceramics:

1.High hardness, high toughness, high bending strength, zirconia ceramic density is 5.95-6.05g/cm3, zirconia ceramic toughness is 8MPa · m1/2 or more higher;

2.High wear resistance, low friction coefficient, wear resistance is 15 times that of alumina ceramics, friction coefficient is only 1/2 of that of alumina ceramics, after grinding(polishing) processing, the surface finish is better, up to ▽9, mirror surface, extremely smooth, with a lower coefficient of friction;

3.Good insulation, corrosion resistance, no static electricity, high temperature resistance, excellent thermal insulation, thermal expansion coefficient is close to that of steel;

4. Zirconia ceramics have self-lubrication, can solve the pollution caused by the lubricating medium and inconvenience caused by feeding.

Zirconia Ceramic performance parameters:

Chemical composition: ZRO2≥94.5%
Density: 6g/cm3
Sintering temperature: 1550~2600°C
Breakdown voltage strength: 15 kV/mm
Water absorption: <0.01%
Compressive strength: 5000 MPa
Hardness: ≥88(Hra)
Volume resistance: >1012 cm
Bending strength: 1100 MPa
Thermal expansion coefficient: 6.9~10 x10^(-6)/k
Thermal conductivity: 2.5 W/m-k
Heat resistance: 1800 °C

Typical Zirconia Ceramic Products:

Zirconia ceramics are mainly used in high-power devices, IC MOS tubes, IGBT chip-type thermal insulation, high-frequency power, communications, mechanical equipment, high current, high voltage, high temperature and other parts that require thermal conductivity and thermal insulation.

Pump components
Cutting tools
Valves (Spool)
Bearings
Filters

Zirconia ceramic rings

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Zirconia ceramic axle sleeve

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Zirconia ceramic ferrule

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Zirconia ceramic axle sleeve

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Zirconia ceramic tube

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Zirconia ceramic rods (Plunger)

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Zirconia ceramic screw tube

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Zirconia ceramic axle sleeve

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Zirconia ceramic ring

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Zirconia ceramic ring

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Ceramic-metal component

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Zirconia ceramic seal & spacers

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Zirconia ceramic spacers

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Zirconia ceramics spacer

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Zirconia ceramic bearing (G10)

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Lithaiwa make custom products according to special design or requirements.

OEM is acceptable.

advanced ceramics, technical ceramics,industrial ceramics,ceramic materials,ceramic parts, ceramic components, Lithaiwa

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