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Silicon Nitride Ceramic Ring
Silicon nitride ceramics are processed from silicon nitride (Si3N4) materials. It is one of the hardest materials in the world. However, the ceramic sealing ring processed from it also inherits the excellent functional characteristics of silicon nitride.
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Aluminum oxide ceramics, silicon nitride ceramics, zirconia ceramics
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Product Details
Silicon nitride ceramics are processed from silicon nitride (Si3N4) materials. It is one of the hardest materials in the world. However, the ceramic sealing ring processed from it also inherits the excellent functional characteristics of silicon nitride.
Features: 1. Silicon nitride ceramics have strong corrosion resistance and can be used in strong oxidants. Dissolved hydrochloric acid does not chemically react with other strong oxidants except hydrochloric acid.
2. The strength of high temperature resistance is extremely high. The compressive strength of silicon nitride ceramics will hardly change at a temperature of 1200 ° C. It can be used in high temperature environments. It is not easy to melt into a melt after being heated. will dissolve.
3. Non-magnetic, insulating, low heat transfer, can be used as insulation layer insulation material.
4. The relative density is low, the weight is light, and the compressive strength and strength far exceed that of general structural ceramics, so it can be used as a metal composite material.
5. Low linear expansion coefficient, equal to 30% of alumina ceramics, less than 40% of zirconia ceramics, can bear a large temperature change in the air temperature to above 1000 ℃, a large amount of refrigeration and then It will not break even if it is greatly heated.
Features: 1. Silicon nitride ceramics have strong corrosion resistance and can be used in strong oxidants. Dissolved hydrochloric acid does not chemically react with other strong oxidants except hydrochloric acid.
2. The strength of high temperature resistance is extremely high. The compressive strength of silicon nitride ceramics will hardly change at a temperature of 1200 ° C. It can be used in high temperature environments. It is not easy to melt into a melt after being heated. will dissolve.
3. Non-magnetic, insulating, low heat transfer, can be used as insulation layer insulation material.
4. The relative density is low, the weight is light, and the compressive strength and strength far exceed that of general structural ceramics, so it can be used as a metal composite material.
5. Low linear expansion coefficient, equal to 30% of alumina ceramics, less than 40% of zirconia ceramics, can bear a large temperature change in the air temperature to above 1000 ℃, a large amount of refrigeration and then It will not break even if it is greatly heated.
Application:
Silicon nitride ceramics is an important structural ceramic material and a superhard material. It has lubricity, wear resistance, and high temperature resistance; it can resist oxidation at high temperatures and resist cold and heat shocks. It can be heated in the air to Above 1000°C, it will not break when heated rapidly after cooling.
Because silicon nitride ceramics have such excellent properties, it is often used to make mechanical parts such as bearings, steam turbine blades, mechanical seal rings, and permanent molds. If silicon nitride ceramics are used to make engine parts, it can not only improve the quality of internal combustion engines and save fuel, but also my country, the United States, Japan and other countries have developed high refractory materials for diesel engines, such as Ni-SI3N4-BN materials and SI- SIC material is used for blast furnace shaft and other parts, while Ni-SI3-SN-SN is used for diesel engine furnace body, used for horizontal continuous casting separator, used for separator of molten steel, used for high strength, high precision, high Reliable, high-tech continuous casting.
Silicon nitride ceramics is an important structural ceramic material and a superhard material. It has lubricity, wear resistance, and high temperature resistance; it can resist oxidation at high temperatures and resist cold and heat shocks. It can be heated in the air to Above 1000°C, it will not break when heated rapidly after cooling.
Because silicon nitride ceramics have such excellent properties, it is often used to make mechanical parts such as bearings, steam turbine blades, mechanical seal rings, and permanent molds. If silicon nitride ceramics are used to make engine parts, it can not only improve the quality of internal combustion engines and save fuel, but also my country, the United States, Japan and other countries have developed high refractory materials for diesel engines, such as Ni-SI3N4-BN materials and SI- SIC material is used for blast furnace shaft and other parts, while Ni-SI3-SN-SN is used for diesel engine furnace body, used for horizontal continuous casting separator, used for separator of molten steel, used for high strength, high precision, high Reliable, high-tech continuous casting.
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