Silicon Nitride Ceramics Have Comprehensive Properties |

What's silicon nitride?

Silicon nitride can be described as an inorganic material with chemical formula Si3N4. It's a structural ceramic material that is important for its high hardness, intrinsic lubricity and wear resistance. It is an atomic crystalline; it resists oxidation at elevated temperatures.

Additionally, it is resistant to heat and cold. You can heat it to over 1000 degrees Celsius in air and cool it quickly. Then, you will be able to break the ceramic. This is because silicon nitride pottery has excellent mechanical properties. People use it often to create bearings, blades for turbines, seal rings and permanent molds. The heating surfaces of engine parts can be made from silicon nitride clays which can withstand high temperatures and transfer heat poorly. Not only will this improve engine quality, but also fuel efficiency and fuel economy. Such engines are available in China, Japan, America, Japan, and many other countries.

Comprehensive characteristics of silicon nitride

One of the most distinctive features of silicon nitride ceramics are their perfect blend of material properties. While silicon nitride may not be as light as Silicon carbide (SiC), the microstructure of Si3N4 gives Si3N4 exceptional thermal shock resistance. Its high fracture toughness also makes it immune to shocks or impacts.


Microstructures of silicon nitride consist of long-chained crystals interlocked to form microrods. The machining of grey cast iron, or cast iron with ceramic knives is one example where this combination proves to be extremely useful.

Silicon nitride blades can be used to machinize hard metals, as well as other materials without any cooling.


The excellent chemical and physical characteristics of silicon nitride have allowed Si3N4 ceramics to replace traditional materials. Sealing rings, bearings, sealing technology are just a few of the many uses for silicon nitride-ceramics.

The function, reliability and life expectancy of components made from silicon nitride have a significant impact on their performance. This combination bearing of carbon and reinforced plastic made from ceramic material is lightweight but extremely hard. Because it does not suffer from the effects of centrifugal force, it has excellent performance in emergency situations and dry running.


Luoyang Tech Co., Ltd. is a professional supplier of nitride products. We have over 12 years' experience in developing chemical products. You can pay by credit card, T/T (West Union), Paypal or bank transfer. We will send the items to overseas customers via FedEx or DHL.


Send us an enquiry if you're looking for Si3N4 powder of high quality.

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