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Silicon nitride (Si3N4) is a chemical compound of Silicon and Nitrogen, and its synthesis was first published in 1857. Silicon nitride is a structural ceramic refractory material with high hardness and strength, especially hot-pressed sintered silicon nitride, which is one of the hardest substances in the world.
Silicon nitride has excellent thermal stability, oxidation resistance, acid and alkali resistance, and is resistant to non-ferrous metal erosion, it may be a better choice than general refractory materials and recrystallized SIC tubes.
In a wide temperature range, silicon nitride has a certain thermal conductivity, and low thermal expansion coefficient. Unlike ordinary ceramics, these properties make it excellent thermal shock resistance, making it an outstanding protective material, often used in applications requiring high durability and high temperature environments.
High Strength x Super Resistant to Abrasion x Thermal Shock Resistance
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keyword Search: Silicon Nitride, Si3N4, high hardness, non-ferrous metal
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