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Wear Resistance Machining Ceramic Parts Black Silicon Nitride Ceramic Ball

    Buy cheap Wear Resistance Machining Ceramic Parts Black Silicon Nitride Ceramic  Ball from wholesalers
     
    Buy cheap Wear Resistance Machining Ceramic Parts Black Silicon Nitride Ceramic  Ball from wholesalers
    • Buy cheap Wear Resistance Machining Ceramic Parts Black Silicon Nitride Ceramic  Ball from wholesalers
    • Buy cheap Wear Resistance Machining Ceramic Parts Black Silicon Nitride Ceramic  Ball from wholesalers

    Wear Resistance Machining Ceramic Parts Black Silicon Nitride Ceramic Ball

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    Brand Name : China
    Model Number : 008
    Price : Negotiable
    Payment Terms : T/T
    Supply Ability : 10000 Piece/Pieces per Month
    Delivery Time : 25 days
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    Wear Resistance Machining Ceramic Parts Black Silicon Nitride Ceramic Ball

    High Hardness and Good Quality Hip Silicon Nitride Precision Ball


    Description:


    Silicon Nitride Ceramic Balls Is a superhard material, which has lubricity and wear resistance. It does not react with other inorganic acids except for hydrofluoric acid, moreover,it has strong corrosion resistance and high temperature oxidation resistance.And it can also resist cold and heat shock, heat up to more than 1000 degrees in the air, rapid cooling and then rapid heating, and will not break.


    Technical Parameters:


    Mechanical behaviorUnitAl2O3SiCSi3N4ZrO2
    Colour-------Light yellowblackblackwhite,black
    Densityg/cm33.953.153.26
    Bending strengthMPa300~400400~500800~1200950~1200
    Elastic modulus EGPa380350300-320210
    Poisson's ratio0.220.140.26--------
    HardnessHv18002000~25001400~17001100~1300
    HRC8085~9075~8070~75
    Fracture toughnessMPa·m1/23.0~4.03.0~4.05.0~7.08.0~10.0
    Maximum use temperature10001300400400
    Thermal expansion coefficient10-6/℃8.443.310.3


    Advantages:

    1. High Strength over a wide temperature range.
    2. High Fracture toughness.
    3. High Hardness.
    4. Outstanding Wear Resistance ,both impingement and frictional modes.
    5. Good Thermal Shock Resistance.

    Application:


    1. High precision ceramic bearing.
    2. High temperature bearing.
    3. Vacuum bearing.
    4. Non-magnetic bearing.
    5. chemical pump.
    6. The heat pump.
    7. Ceramic valve ball.
    8. Measure the ball.


    More pictures:



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