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Method for preparing silicon carbide micropowder
2018-11-16 13:%i:1542347816
The industrial preparation methods of silicon carbide micropowder are basically divided into two kinds: crushing process and polymerization method. The crushing method generally adopts mechanical crushing. This method has a large number of sophisticated mechanical equipment, production, but it is difficult for ordinary people to produce less than 1 micron fine powder. Polymerization rules are a type of ion or molecular nucleation, growth and disease control through its diameter. In more complex equipment, fine operation is used by means of methods, but the resulting ultrafine powder in 1 micron can control growth. This is divided into liquid phase, gas phase, which is essentially two ways. For the ceramics and refractories industry, the use of powder crushing method of the vast majority of equipment, there is a considerable number of special refractories, and the use of aggregates of ultrafine powder prepared ceramics. In addition, the current construction and extensive use of SiO2 superpowder in the silica powder refractory industry is actually generated by the gas phase method of aggregation. The general conclusion of law is that there are two kinds of fragmentation and aggregation methods.
