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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