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Item Zirconia(ZrO₂)
Product No. KNM_PSZ32
Appearance Dense
Color white
Contents (%) 3mol%Y2O3-ZrO2
Applications Wear resistance
High toughness
Density kg/m3 6.02↑
Water absorption <0.01
MECHANICAL Vickers Hardness 9.8N GPa 12.0
3-Point Bending Strength RT MPa 750
1000℃
1200℃
1400℃
Compression Strength MPa 2500
Young's Modulus GPa 210
Poisson's Ratio 0.2
Fracture Toughness SEPB MPa√m 8.9
THERMAL Linear Expension Coefficient RT~100℃ (×10-6/℃)
RT~400℃
RT~800℃ 10.3
Thermal Conductivity 20℃ W/(m・K) 2.2
Specific Heat J/(kg・K) 0.4×103
Thermal Shock Resistance (ΔT)℃ 250
ELECTRICAL Volume Electrical Resistance kV/mm
Volume Resistance 20℃ Ω・cm 1>1013
300℃
500℃ 2x104
Dielectic constant 1MHz 29
Dielectical Loss Angle 1MHz ×10-4
Loss factor ×10-4
CHEMICAL Acetic Acid (60%)90℃ WT Loss
Sulphuric Acid (95%)95℃
Caustic Soda (30%)80℃ mg/cm2/day
OTHERS Total Transmittance %
Linear Transmittance %