Silicon nitride (Si3N4) CAS 12033-89-5 is a dense, high-strength, and high toughness ceramic material developed by scientists in the 1970s. Initially, it was hoped that ceramics would replace metals in advanced turbo and reciprocating engines to provide higher operating temperatures and efficiency. Although the ultimate goal of ceramic engines has not yet been achieved, silicon nitride has been used in many industrial applications, such as engine components, bearings, and cutting tools. Silicon nitride has better high-temperature performance than most metals, while also possessing high strength stability, creep resistance, and oxidation resistance. In addition, compared to most ceramic materials, its lower coefficient of thermal expansion gives it good thermal shock resistance.

Chinese name: called silicon nitride

Chinese synonym: silicon nitride powder; Silicon nitride 100G; Silicon nitride powder; Magnesium oxide bonded silicon nitride (IV) sputtering target, 50.8MM (2.0IN) DIAX3.18M; Magnesium oxide bonded silicon nitride (IV) sputtering target, 50.8MM (2.0IN) DIAX6.35M

English name: Siliconitride

English: synonyms Silicon (IV) nitrate, ElectronicGrade, 99.85% (Metalsbasis), 90+% ^ a-phase; Siliconitrid; DenkaSiliconNitrideSN-F2; E05; E05 (nitrate); E10; E10 (Nitride)

CAS number: 12033-89-5

Molecular formula: N4Si3

Molecular weight: 140.2833

EINECS number: 234-796-8

Application

Silicon nitride is used as advanced refractory material, such as in combination with sic to make SI3N4-SIC refractory material for blast furnace shafts and other parts; If cooperating with BN, SI3N4-BN material is used for horizontal continuous casting separation rings. The SI3N4-BN series horizontal continuous casting separation ring is a fine structure ceramic material with uniform structure and high mechanical strength. Good heat resistance and impact resistance, without being wetted by molten steel, meeting the process requirements of continuous casting.

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