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The ceramic material silicon nitride is an inorganic ceramic that doesn’t shrink when it is sintering. Silicon nitride has a high strength, particularly hot-pressed silica nitride which is considered one of the strongest materials on the planet. It has a high degree of strength, low density and resistance to high temperatures, among other properties.
A Si3N4 is a covalent bonding compound. The [SiN4] Tetrahedron is the structural base. The silicon is in the middle of the tetrahedron. Four nitrogen atoms surround it. They are at each of the four vertices. The tetrahedrons have the same form as an atom. They are connected in a three-dimensional network.

Si3N4 ceramics used as structural materials: examples

It can be used for ball bearings because of its high rigidity, lightweight and low weight. It generates less energy, is more precision than metal, and can be used in high temperatures and with corrosive media. It has heat resistance and wear resistance. The ceramic Si3N4 steam nozzle showed no damage even after being used on a 650 boiler. Si3N4 can be used for ball bearings because of its high rigidity and lightweight. It generates less energy, is more precision than metal, and can be used in high temperatures and with corrosive media. The ceramic steam nozzle has heat resistance and wear resistance. It shows no damage even after a few month’s use in a boiler with 650 degrees.

Si3N4 ceramics are widely used in a wide range of applications

Si3N4 ceramics’ performance and reliability are set to continue improving with the advancement of molding, sintering technology and processing. Si3N4 Ceramics have excellent comprehensive characteristics and abundant resources. They also have wear resistance and corrosion resistance as well as high-temperature and oxidation resistance. It can handle harsh working environments that metals and polymer materials cannot.
Si3N4 ceramics are classified as high-temperature structure ceramics due to their superior mechanical properties, thermal characteristics, and chemical stability compared to other high-temperature structures ceramics. The material that has the greatest potential for application.

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