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The 16th China International Powder Metallurgy and Hard Alloy Exhibition in 2024

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SAT NANO attends Shanghai Advanced Ceramics Exhibition

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May 16,2023.

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Our company participated in the Guangzhou International Advanced Ceramic Industry Chain Exhibition, which was held from May 15 to 17, 2023 at the Poly World Trade Expo in Guangzhou. The exhibition attracted 145 well-known advanced ceramic enterprises...

alpha si3n4 silicon nitride ceramic powder

Buy alpha si3n4 silicon nitride ceramic powder for sale, Size:50nm, 100nm, 1-3um, 5um, Purity:99.5%, high purity, low price and fast delivery, please click it check the specification.


  • Brand:

    SAT NANO
  • Item NO.:

    NP1307-50N
  • Payment:

    TT, Paypal, WU
  • Product Origin:

    China
  • Color:

    Grey white Powder
  • Shipping Port:

    Shenzhen, Shanghai
  • Lead Time:

    1-5days
  • Min Order:

    100g
  • Product Details

Specification of si3n4 ceramic powder:

Size:50nm, 100nm, 1-3um, 5um, Purity:99.5%


CAS No:24304-00-5 ENINEC No.:246-140-8

Appearance:grey white Powder

Shape:alpha and beta type


Note: We can supply different size products of si3n4 ceramic powder according to client's requirements.



Application of si3n4 ceramic powder:

The longer stacking sequence causes the hardness of the alpha phase to be higher than that of the Beta phase.

However, the α phase is chemically unstable compared to the β phase. At high temperatures, when there is a liquid phase, the α phase will always change to the β phase. Therefore, βsi3n4 is the main form used for si3n4 ceramics.

One of the main applications of silicon nitride sintering is as a material for engine parts in the automotive industry. These include, in diesel engines, glow plugs can speed up the starting speed; pre-combustion chamber (swirl chamber), which can reduce emissions and speed up starting
And reduce noise; turbocharger can reduce engine lag and emissions.
In spark ignition engines, silicon nitride is used for rocker arm pads to reduce wear, turbochargers are used to reduce inertia and reduce engine lag, and exhaust control valves are used to increase acceleration.

Silicon nitride bearings are both full ceramic bearings and ceramic hybrid bearings, in which ceramic balls and steel rings. Compared with other ceramics, silicon nitride ceramics have good impact resistance. Therefore, ball bearings made of silicon nitride ceramics are used in performance bearings.

Silicon nitride has long been used in high temperature applications. In particular, it is determined to be one of the few monolithic ceramic materials that can withstand the severe thermal shock and thermal gradient generated in the hydrogen/oxygen rocket engine.


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