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What is Silicon Nitride? Silicon Nitride Is an organic substance that has the chemical composition Si3N4. Gray, white, or grayish-white. The relative molecularweight is 140.28.
It is an important structural ceramic material and has high hardness. It is an atomic crystalline, has wear resistance and lubricity, and can also be used as an antioxidant at high temperatures. It does not react to hydrofluoric and hot phosphoric acids, and is strong resistant to corrosion. It is also resistant to cold and heat shock.
It is used to make mechanical components, such as bearings and gas turbine blades. It can improve the quality and efficiency of the engine by using silicon nitride clay that is resistant to high heat transfer and resists heat transfer.

How to make silicon nitride clays?
There are two primary production methods for silicon nitride ceramics: reaction heating and hot pressing heating.
The reaction Sintering technique is used to produce the mixture of silicon powder/silicon powder and silicon nitride. This method follows the general production procedure for ceramic products. It is then pre-nitrided at 1150-1200 to achieve a certain strength. Then it can be machined using the machine tool. The product is then nitrided again at 1350-1450 for an additional 18-36h, until it becomes silicon nitride. The product size and volume are stable because of this method.
The hot-pressing rule stipulates that silicon oxide powder and a small quantity of additives (such MgO, Al2O3, AlF2, AlF3 or Fe2O3) must be used. They are sintered and pressed at a pressure of 19.6MPa or 1600 to 1700. In general, hot pressing sintering produces a product with a higher density and greater performance than reaction sintering.

What’s silicon nitride ceramic for?
Silicon nitride clays are strong and resistant to high temperatures. The ceramic material silicon nitride ceramics has the highest comprehensive mechanical properties. It is also resistant to oxidation, wear, wear, and thermal shock. In the mechanical sector, silicon nitride clays are used for bearing balls and rollers, ball seats, tooling and new ceramic tools, as well as pump plungers and mandrel sealing material.
The chemical industry uses silicon nitride clays as wear-resistant, corrosion-resistant parts. This includes the ball valve, pump body and combustion carburetor.
Silicon nitride ceramics, which are high-temperature resistant and have a low friction coefficient, provide self-lubricity in the gold mining industry. It is compatible with most metals and alloy solutions. This makes it ideal for tooling in metal material processing.

Silicon Nitride Si3N4 Powder Price
Price is affected by many factors, including supply and demand, market trends, economic activity and unexpected events.
You can email us to request a quote for the latest silicon-nitride Si3N4 si3N4 powder price . (brad@ihpa.net)

Silicon Nitride Si3N4 Powder Supplier
Technology Co. Ltd. is a trusted global supplier of chemical materials and manufacturer. With over 12 years experience, they can provide super high-quality chemicals & nanomaterials such as silicon powder.
Send us an inquiry if you’re looking for Si3N4 powder of high quality. (brad@ihpa.net)

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