Hot Isostatic Pressing and Cold Isostatic Pressing

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Hot Isostatic Pressing and Cold Isostatic Pressing

Categories: CIP powder forming bag mold

Application: Hot Isostatic Pressing and Cold Isostatic Pressing

Inquiry

Main description:

What is hot pressing method? Hot pressing is a high-pressure, low-strain-rate powder metallurgy process for forming of a powder or powder compact at a temperature high enough to induce sintering and creep processes. This is achieved by the simultaneous application of heat and pressure.

DESCRIPTION

Hot Isostatic Pressing and Cold Isostatic Pressing 


What is hot pressing method?

Hot pressing is a high-pressure, low-strain-rate powder metallurgy process for forming of a powder or powder compact at a temperature high enough to induce sintering and creep processes. This is achieved by the simultaneous application of heat and pressure.

What is the difference between hot isostatic pressing and cold isostatic pressing?

Isostatic pressing is performed "cold" or "hot." Cold isostatic pressing (CIP) is used to compact green parts at ambient temperatures, while hot isostatic pressing (HIP) is used to fully consolidate parts at elevated temperatures by solid-state diffusion.

What is hot isostatic pressing powder metallurgy?

Hot Isostatic Pressing (HIP) is a process to densify powders or cast and sintered parts in a furnace at high pressure (100-200 MPa) and at temperatures from 900 to 1250°C for example for steels and superalloys. The gas pressure acts uniformly in all directions to provide isostropic properties and 100% densification.

What is the advantage of isostatic pressing?

Advantages of Hot Isostatic Pressing Casting

Predictability: Consistency of mechanical properties improved. Mechanical properties: Increased tensile strength, impact strength, and ductility.

Improved surface finish: Removes internal porosity enabling smooth, pore free wear surfaces.

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