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    Silicon Nitride Ceramics

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    Silicon nitride ceramics are known for high strength and hardness, wear and corrosion resistance, electric insulation and low density. Silicon nitride ceramics have advantages over metal in many aspects and are widely used in the fields of aerospace, nuclear, petrochemical, textile and mechanical engineering industries.

    Material properties
    Hardness (HV1) >1700
    Wear resistance (cm3) <0.25
    Fracture toughness MPa. m1/2>6.5
    Bulk density (g/ cm3) >3.2
    Bending strength 700~800MPa