Isostatic pressing of zirconia ceramics
The isostatic pressing method of zirconia ceramics is also called hydrostatic pressing.
That is to say, the pressure of the sample in the high-pressure container is the same as the pressure in the hydrostatic water at the same depth, so it is called hydrostatic pressure or static pressure.
The forming process obtained according to this principle is called hydrostatic pressing or isostatic pressing. Generally, the isostatic pressing of ceramic materials can be divided into wet bag isostatic pressing and dry bag isostatic pressing.
Wet bag isostatic pressing is to put the powder into the forming mold first, after sealing, and then put it in a high-pressure cylinder for pressing.
Wet bag isostatic pressing has strong applicability and is especially suitable for experimental research and small batch production. It can simultaneously press more than two different shapes of parts in one high-pressure cylinder and produce large and complex parts. The production process Short and low cost.
Isostatic pressing by dry bag method is to put the powder into the rubber mold and put it into the pressurized rubber mold together, or send the powder through the feed hopper from above to the pressurized rubber mold to form the rubber mold. It is not in contact with the liquid medium, so it is called the dry bag method.
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