Characteristics of Zirconia Ceramic Cutting Knives
1. Edge cutting, very sharp
2. Extremely high bending strength and hardness
3. High density - up to 6.0 g/cm^3
4. Low thermal conductivity
5. High electrical insulation, strong corrosion resistance, and high biocompatibility
Characteristics of zirconia ceramic materials
Resistance to high thermal expansion（ α= 11 x 10-6/K, similar to certain types of steel)
Thermal insulation: Good thermal insulation/low thermal conductivity (2.5 to 3 W/MK)
Extremely high crack propagation resistance and high fracture toughness (6.5 to 8 mpam1/2sup>)
Ability to withstand conducting oxygen ions (for measurement λ Oxygen bias in the probe)
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