Of The Black Silicon Carbide Powder

Black silicon carbide is made of quartz, petroleum, and coke as raw materials, with a small amount of wood chips added, and is smelted in a high-temperature resistance furnace above 1700°C. It has higher toughness than green silicon carbide and is widely used in abrasives, and grinding tools, and can be made into optical glass, grinding and polishing of cemented carbide, titanium alloy, and bearing steel sharpening of high-speed steel tools, etc.

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Black silicon carbide is a special inorganic material with the chemical formula SiC. It has excellent properties such as high hardness, good thermal stability, and strong corrosion resistance. It is often used in high-temperature structural ceramics, refractory materials, abrasives, and other fields.

In the process of preparing black silicon carbide, SiC is generally generated by reacting silicon powder and carbon powder under high-temperature conditions. This method is simple and low-cost and is widely used in industrial production.

The crystal structure of black silicon carbide can be divided into cubic crystal form and hexagonal crystal form, and their properties and applications are also different. Cubic crystal black silicon carbide is more commonly used in abrasive materials, while hexagonal black silicon carbide is commonly used in high-temperature materials and electronic devices.

Black silicon carbide is widely used in the metallurgical industry. In metallurgical processes, black silicon carbide can be used as a refractory material in the linings, bottoms, and patches of high-temperature furnaces. It has good fire resistance and thermal shock resistance and can withstand high-temperature corrosion and drastic temperature changes, ensuring the normal operation of metallurgical equipment.

Silicon carbide can decompose in molten steel and react with oxygen and metal oxides in the molten steel to generate carbon monoxide and silicon-containing slag. Therefore, it can be used as a purifying agent for smelting steel, that is, as a deoxidizer and cast iron structure improver for steel making. It can also be used as a raw material for manufacturing silicon tetrachloride.

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