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What is the production process of alumina ceramics?

2022-02-23
 Latest company case about What is the production process of alumina ceramics?

Alumina ceramics is a widely used type of ceramics, but do you know the production process of alumina ceramics?

Powder preparation: According to different product requirements and molding processes, the imported alumina powder is prepared into powder materials. The powder particle size is less than 1 mm. If high-purity alumina ceramics are produced, in addition to the alumina purity of 99, it needs to be ultra-finely pulverized, and the particle size distribution is uniform. In addition, in order to reduce the friction between the powder and the wall, it is necessary to add 1% ~ 2% % lubricant.

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Molding method: the molding methods of alumina ceramics include dry pressing, grouting, extrusion, isostatic pressing, injection, casting, hot pressing, etc. In recent years, filter press molding, direct solidification injection molding, gel injection molding, centrifugal grouting and solid-free grouting have been developed at home and abroad. Products of different shapes, sizes, complex shapes, and precision require different molding methods.