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Silicon nitride Inorganic substance Si3N4 has the chemical formula. It is a ceramic material of high wear resistance, inherent lubricity and hardness. The atomic crystal silicon nitride resists oxidation when heated to high temperatures.
It is a synthetic ceramic. Because the covalent bonds between silicon atoms, and nitrogen atoms, in its structure, are strong, it has high strength.

Silicon Nitride: Properties

Normal temperature strength and high fracture toughness are characteristics of silicon nitride. They will maintain their strength at high temperatures. The properties of the material are:

(1) Silicon Nitride material is low in linear expansion, has good thermal conductivity and thermal shock resistance,
(2) The hardness level of silicon nitride, at 99.5, is the second highest in the world, only behind diamond and BN.
This material is highly wear resistant, self-lubricating with a small friction coefficient.
(4) Silicon nitride exhibits good mechanical properties.
(5) Silicon nitride has excellent insulation properties at high temperatures;
It can also exist in some alkalis; It can be found in some alkalis.
(7) When the silicon nitride material is oxidized, it forms a dense layer of silicon dioxide on the surface. The film prevents the oxidation from continuing. Its oxidation resistant temperature can reach up to 1400 and it can also be used as high as 1870 under reducing conditions.
Silicon nitride has a non-wetting property with high-temperature metallic solution and molten steel slag. This makes it an excellent corrosion-resistant molten steel slag material.

Material industry views silicon nitride ceramic as a material with excellent overall performance that can be used for high temperature fields.

Tech Co., Ltd. is a professional nitride powder We are a chemical product supplier with 12 years experience. We accept payment by Credit Card, T/T (West Union), Paypal and T/T. The goods will be shipped to overseas customers via FedEx or DHL.

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