Silicon nitride has an inorganic chemical composition with Si3N4. It is important as a ceramic structural material because of its high hardness. The material can also withstand the heat and chill shocks. It can take more than 1,000 degrees of heat in the air. However, it doesn't break when quickly cooled down and then again heated. The excellent properties of silicon-nitride ceramics is why it's often used in the manufacture of mechanical components, such as bearings. A silicon nitride-ceramics heat-receiving layer for engine components that is resistant to heat and difficult to heat can help improve the quality of diesel engines as well as save fuel.
For what purpose is Silicon Nitride?
Silicon nitride serves as a high grade refractory. This fine-structure ceramic material is known for its uniformity and mechanical strength. It's also called the SI3N4BN-BN series horizontal continuously casting separation ring. It can withstand thermal shock well and is not welded by molten iron, meeting the requirements of continuous cast.
Materials made of silicon nitride are extremely stable in temperature, resistant to oxidation, and have high dimensions. Covalent compounds with high bond strength can create an oxide protective shield in the atmosphere. Silicon nitride also exhibits good chemical stability. It doesn't oxidize, so it can not be infiltrated/corroded or infiltrated with many molten alloys or metals such aluminum, lead. Tin, brass, bronze, nickel and other alloys. But, it can be corroded molten fluids like magnesium, nickel-chromium alliance, and stainless steel.
These ceramic materials from silicon nitride are suitable for use in high temperature engineering components, advanced and complex refractory materials, chemical industry corrosion-resistant, sealing and cutting components as well.
The strong bond that silicon nitride makes with aluminum oxide (silicon carbide), silicon carbide or thorium dioxide (thorium dioxide) and others allows it to be used in a variety of modification processes.
You can use silicon nitride in solar cells. When the silicon nutride film has been coated with the PECVD procedure, it is possible to use the film as an antireflection layer to decrease the incident light. However, during the process of deposition of silicon nitride, hydrogen atoms are released into the silicon nanorode film. These acted as passivation defect. However, this atomic relationship of silicon silicon nitride with silicon nitride does not necessarily equal 4:3. Instead it fluctuates according to process conditions. Also, different physical properties of films that correspond to different atomic relationships can have different physical characteristics.
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