Silicon nitride ceramics is a material with great application potential

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The ceramic material silicon nitride is inorganic and does not shrink upon sintering. Silicon nitride has a high strength, particularly hot-pressed silica nitride which is considered one of the strongest materials in the universe. It has low density, high temperature resistance, and high strength.
A Si3N4 is a covalent bonding compound. The basic structural element is the [SiN4] Tetrahedron. The silicon is in the middle of the tetrahedron. Four nitrogen atoms surround it. They are located on 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 several months of use in a boiler 650. 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, corrosion resistant, high-temperature resistence, oxidation resistant, thermal shock resistance, and low specific gravities that are uncomparable to general metal materials. It can handle harsh working environments that metal or polymer material cannot.
Si3N4 ceramics are classified as high-temperature structure ceramics due to their superior mechanical, thermal and chemical properties. The material that has the greatest potential for application.

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