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There are two kinds of isostatic press: cold isostatic press and hot isostatic press. Cold isostatic press (CIP) are running according to the principle of Pascal. The powders are sealed in an elastic mode with certain shape and size, and then placed into a sealed container, the liquid medium are fill into the container through high pressure pump, and the medium pressure act evenly on the surface of elastic mode. The powders inside the elastic mode are received equal pressure in all directions and are pressed into the mode shape according to certain proportion size, so that the powders compacting into a certain shape, compact size and enough strength blank.
Hot isostatic press (HIP) is working with a set of high temperature, high-pressure in one process of production.Hot isostatic pressing (HIP) is a set of high temperature, high-pressure in one of process of production technology. The heating temperature is usually 1000 ~2000¡æ, and use high pressure inert gas or nitrogen in a closed container as the pressure medium, working pressure up to 200MPa. With the interaction of high temperature and high pressure, the work piece are received an equilibrium compression processing, and the final products possess high density, good uniformity, excellent performance. At the same time, the technology has the characteristics of short production cycle, little working procedure, low energy consumption, low material consumption, etc.
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