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Silicon nitride
Has high strength. Especially hot-pressed silica nitride which is one the hardest materials on the planet. It can withstand temperatures up to 1200degC and maintain its strength. After heating, it will not turn into a melted substance and won’t decompose till 1900degC.
Silicon nitride resists chemical corrosion with amazing strength. It can resist almost all inorganic acid solutions, caustic soda below 30% and many organic acids. It’s also a highly-performance electrical insulation material.
Ceramics made of silicon nitride have many excellent properties. They are used for bearings as well as turbine blades.
(1) Application to ironmaking refractories
Recent years have seen significant improvements in the corundum-silicon-carbide-silicon-nitride products used for large-scale blast-furnaces. In the middle section and load-bearing part of coke kilns, large blast furnaces are commonly made from silicon oxynitride refractory materials, or silicon carbide.
2) Application in steelmaking Refractories
The bottom ladle material has been made of silicon nitride in recent years. The addition of silicon-nitride materials to the slideplate improves wear resistance and erosion resistance of the slideplate, as well as its service life. It also reduces the price of steel per ton for ladle refinement.
(3) Application to refractory smelting non-ferrous metals, such as copper, aluminum, zinc, etc.
Silicon nitride does not wet metal solutions at high temperature, so it is suitable for high-temperature products in the nonferrous metal smelting processes, such as thermowells. Smelting furnace linings. Container linings. Crucibles. Silicon nitride ceramic products have good thermal shock resistance and can be used stably for a long time at high temperatures or in high-temperature-low-temperature cycles.
(4) Application in kiln furniture materials
The ceramic shed uses a silicon nitride-bonded silicon carbide, which is prepared by reaction sintering in a high temperature nitrogen atmosphere using metal Si and silicon carbide powder as raw materials. This material has remarkably improved performance.
Tech Co., Ltd. is a professional nitride powder We are a chemical product supplier with 12 years of experience. We accept payment by Credit Card, T/T (West Union), Paypal and T/T. The goods will be shipped to overseas customers via FedEx or DHL.
You can contact us for high quality silicon-nitride powder. Contact us Send an inquiry.
Silicon nitride resists chemical corrosion with amazing strength. It can resist almost all inorganic acid solutions, caustic soda below 30% and many organic acids. It’s also a highly-performance electrical insulation material.
Ceramics made of silicon nitride have many excellent properties. They are used for bearings as well as turbine blades.
Silicon Nitride as a Refractory Material
The excellent high temperature properties of silicon nitride are considered a promising material for high-temperature structures. These include high high-temperature strengths, corrosion resistance and good wear resistance.(1) Application to ironmaking refractories
Recent years have seen significant improvements in the corundum-silicon-carbide-silicon-nitride products used for large-scale blast-furnaces. In the middle section and load-bearing part of coke kilns, large blast furnaces are commonly made from silicon oxynitride refractory materials, or silicon carbide.
2) Application in steelmaking Refractories
The bottom ladle material has been made of silicon nitride in recent years. The addition of silicon-nitride materials to the slideplate improves wear resistance and erosion resistance of the slideplate, as well as its service life. It also reduces the price of steel per ton for ladle refinement.
(3) Application to refractory smelting non-ferrous metals, such as copper, aluminum, zinc, etc.
Silicon nitride does not wet metal solutions at high temperature, so it is suitable for high-temperature products in the nonferrous metal smelting processes, such as thermowells. Smelting furnace linings. Container linings. Crucibles. Silicon nitride ceramic products have good thermal shock resistance and can be used stably for a long time at high temperatures or in high-temperature-low-temperature cycles.
(4) Application in kiln furniture materials
The ceramic shed uses a silicon nitride-bonded silicon carbide, which is prepared by reaction sintering in a high temperature nitrogen atmosphere using metal Si and silicon carbide powder as raw materials. This material has remarkably improved performance.
Tech Co., Ltd. is a professional nitride powder We are a chemical product supplier with 12 years of experience. We accept payment by Credit Card, T/T (West Union), Paypal and T/T. The goods will be shipped to overseas customers via FedEx or DHL.
You can contact us for high quality silicon-nitride powder. Contact us Send an inquiry.