The Applications of Cold Isostatic Pressing

The Applications of Cold Isostatic Pressing

Cold isostatic pressing (CIP) is a manufacturing process for the consolidation of metal and ceramic powders. For metals, around 100% theoretical density can be achieved, while ceramic powders that are more difficult to compress can reach about 95% of theoretical density. The CIP uses a liquid media, such as water or an oil or glycol-mixed water, to apply pressure to the powder. The powder is contained in a mold that does not change shape, but preserves the shape from the mold. The mold also protects against liquid penetrating into the powder.

Common applications for CIP include the consolidation of ceramic powders, compression of graphite, refractories and electrical insulators, and other fine or advanced ceramics for dental and medical applications. Material systems include silicon nitrides, silicon carbides, boron nitride, boron carbide, titanium boride, spinels, etc. The technology is expanding into new applications such as the pressing of sputtering targets, coatings of valve parts in an engine to minimize wear of the cylinder heads, telecommunications, electronics, aerospace and automotive.

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