The Advantages and Disadvantages of Cold Isostatic Pressing

The Advantages and Disadvantages of Cold Isostatic Pressing

Cold isostatic pressing is a process in which the powder/granulate is pressed uniformly in all directions.

The granulate is placed in a flexible rubber mould. Once full, the mould is immersed in a not compressible liquid which transmits the pressure (up to 4000 bar ) uniformly in all points and in all directions.

Benefits:

equal compression ratios (hydrostatic) give highly homogeneous density of the green (not sintered) product in both the axial and radial direction

the same uniform shrinkage and mechanical resistance throughout the product

higher mechanical and chemical resistance than an axially pressed product

Disadvantages:

high production costs

low automation

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