Tungsten Carbide Rod Isostatic Pressing

Tungsten Carbide Rod Isostatic Pressing

Tungsten carbide rod isostatic pressing is a mass-conserving shaping process. Fine metal particles are placed into a flexible mould and then high gas or fluid pressure is applied to the mould. The resulting article is then sintered in a furnace which increases the strength of the part by bonding the metal particles. This manufacturing process can be used to make many different shapes. Tungsten carbide rod isostatic pressing can be divided into hot isostatic pressing and cold isostatic pressing.

Hot isostatic pressing (HIP) compresses and sinters the part simultaneously by applying heat ranging from 900 °F (480 °C) to 2250 °F (1230 °C). Argon gas is the most common gas used in HIP because it is an inert gas, thus prevents chemical reactions during the operation.

Cold isostatic pressing (CIP) uses fluid as a means of applying pressure to the mold at room temperature. After removal the part still needs to be sintered. It is the process by which fluid medium especially liquid is preferred as a working medium. It is helpful in distributing pressure uniformly over the compaction material contained in a rubber bag.


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