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Silicon Nitride Nanoparticles/Nanopowder and Their Applications

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Silicon nitride is a chemical compound with the chemical formula of Si3N4. Silicon nitride is a white, high-melting-point solid that is relatively chemically inert and very hard material.

Silicon nitride is a highly stable covalent compound with great application value in many fields due to good corrosion resistance and excellent resistance to temperature change. Also silicon nitride may be an effective filler to improve the performance of polymer materials.

Well what about silicon nitride nanoparticles/nanopowder and usage areas? As all we know nanomaterials have been a fast-growing field of research in the past 30 years. In the beginning, metals were mainly investigated. Later, a large amount of research was conducted on nanoceramic materials. In addition to excellent superplasticity, increased hardness, bending strength, and abrasive wear resistance have also been observed in these nanoceramics.

Because of its superior properties, many studies have also been carried out to fabricate silicon nitride-based ceramics with even finer grains. Although it is very hard to obtain nanoparticles/nanopowder of silicon nitride, scientists have achieved to make nanosized silicon nitride.

Si3N4 (Silicon Nitride) Nanoparticles (Amorph. 99.5%, 20-35 nm) are currently used in demanding mechanical applications involving high loads, wear, and corrosion. Unique properties of silicon nitride nanoparticles/nanopowder make them attractive for demanding orthopaedic applications including inherent phase stability, low wear, scratch resistance, hydrophilicity, improved radiographic imaging, and bacteriostasis. Silicon Nitride nanoparticles/nanopowder are super hard materials. It is used in manufacturing structure devices such as chemical industry, aviation, metallurgy, mechinery, aerospace, and energy industry.

We can say that silicon nitride nanoparticles/nanopowder are new materials and they are needed to be worked on and improved.


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