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Silicon carbide is one of the hardest materials in existence and can withstand very high temperatures. This makes it an excellent material for abrasives, ceramic courses, and grinding wheels. It can also be used in high-temperature spray nozzles, ceramic insulators, and other mechanical products. It is non-flammable, and its resistance to corrosion and low thermal expansion make it a great choice for many engineering applications.
It is possible to produce nano silicon carbide in a variety of shapes and sizes, from coarse grits that are about a quarter inch in size, all the way down to a few micrometers in diameter. This material is usually made by a chemical reaction that involves mixing silicon and carbon together. It can be produced in bulk, and the powders come in various colors. It is also available in crystals, plates, wafers, and boules.
A recent study showed that nano silicon carbide (NSiC) was able to deliver a high capacity, long-cycling anode for lithium-ion batteries. This capability can be credited to the unique structure and surface properties of the NSiC particles. These results were supported by characterization measurements including X-ray diffraction, scanning electron microscopy (SEM), energy-dispersive X-ray spectrometry, Brunauer-Emmett-Teller, and Fourier transform infrared spectroscopy. In addition, the dispersability and rheological characteristics of the NSiC suspensions were investigated using a polyelectrolyte. The ion-exchange studies revealed that the presence of ammonium polycarboxylate increased the surface charge and pHiep of the NSiC suspensions.
