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Technical Ceramics

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YSZ ZrO2 Yttria Stabilized Zirconium Oxide Zirconia Ceramic Sleeves

Zirconium Oxide (Zirconia) is the toughest ceramic commercially available. This high-strength material with 9 Mohs' hardness exhibits excellent wear and corrosion properties. Zirconia exhibits a very low coefficient of friction and is available in MgO or Yttria stabilized grades.
  • Density :

    6.0 g/cm3
  • Max. Service Temp. :

    500 degree C
  • Thermal Conductivity :

    2.2 W/m.K
  • Dielectric Strength :

    9 KV/mm
  • Main Application :

    Wear Liners, Electrical Insulator...
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Product Detail

Material Introduction


Ceramic components made out of Zirconia generally consist of Zirconia as basic material added with some percentage of other oxides like Yttria (Y2O3) or Magnesia (MgO). The „Ceramic Steel“ titled Zirconia is doped with Yttria forming an ultra-fine ductile structure with sub-micron grain formation leading to enormous bending strengths. Zirconia is characterized through its tribological performance (friction and wear) in moving applications and furthermore: excellent fracture toughness, very good wear resistance, high corrosion stability, low thermal conductivity, CTE in range of steel. All these properties characterize Zirconia (Yttria stab.) as a leading structure material for highest wear stress in several application fields, even medical technology.


Material Advantages


  High hardness
  High fracture toughness
  Good chemical inertness
  Long service life (Cost-effective)
  High wear & corrosion resistance
  High working temperature
  CTE in range of steel
  ...


Material Applications


  Ceramic Wear Liners
  Ceramic Grinding Media
  Ceramic Sealing Rings    Ceramic Electrical Insulator Parts
  Ceramic Cutting Blades   Thermal Insulator Components
  Ceramic Valve Components (valve seats, valve balls...)    Ceramic Pump Parts (plungers, piston, sleeve, washer...)


Materials Properties 



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