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Grade: Yttria-Stabilized Zirconia (YSZ)
Formula: ZrO₂/Y₂O₃
Form: Pellet/Lump
Material: Zirconium Oxide
CAS Number: 114168-16-0
Commodity: Ceramics
Maximum Lump Size: 3mm
Stabilized With: 3% Yttria

Yttria-stabilized Zirconia Grinding Balls (3% Yttria)

Yttria Stabilised Zirconia (YSZ) Grinding Balls combine extreme hardness, wear resistance, and chemical stability, making them essential for high-energy milling and dispersion processes. The yttria stabilizer locks zirconia into a cubic phase, ensuring exceptional toughness and long service life under repeated impacts. Industries including nanotechnology, pharmaceuticals, and advanced ceramics employ YSZ grinding balls for particle size reduction, homogenization, and dispersion of hard or reactive powders. Specific applications include mechanical alloying of metallic powders, milling of pharmaceutical actives, and dispersion of ceramic pigments. In research, YSZ grinding balls are used in high-energy ball milling to investigate nanostructure formation, solid-state reactions, and novel composite development. Their combination of mechanical durability, chemical inertness, and milling efficiency ensures continued importance in powder processing, nanomaterials research, and advanced manufacturing.
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Tolerances

Pellets
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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