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Yttria-stabilized Zirconia Grinding Balls (3% Yttria)

Formula: ZrO₂/Y₂O₃
Form: Pellet/Lump
Material: Zirconia - stabilized with Yttria
CAS Number: 114168-16-0
Commodity: Ceramics
Maximum Lump Size: 3mm
Stabilized With: 3% Yttria
Zirconia - stabilised with Yttria 3% Yttria Pellets Grinding Ball is a ceramic material offered by Goodfellow as part of their range of pellets. This zirconia exhibits high strength and fracture toughness. Its key properties make it useful for applications requiring high wear and impact resistance. Example applications include ball mill grinding media and mechanical seals. The 3% yttria prevents transformational toughening, providing dimensional stability.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Pellet/Lump
Maximum Lump Size Nominal

Material Properties for Ceramics

Thermal Properties
Element Value
Melting point( C ) 2700
Upper continuous use temperature( C ) 2200
Specific heat( J K⁻¹ kg⁻¹ ) 400-500@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 2.5@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 10@20-1000°C
Physical Properties
Element Value
Density( gcm⁻³ ) 5.9
Mechanical Properties
Element Value
Tensile modulus( GPa ) 200
Hardness - Vickers( kgf mm⁻² ) 1250
Tensile strength( MPa ) 300-600
Pultrusions
Element Value
Compressive strength( MPa ) 2000

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