Abstract
In addition to Gas Pressure Sintering, Field-Assisted Sintering Technology/Spark Plasma Sintering (FAST/SPS) and High-Pressure-High Temperature (HP/HT) methods (production of polycrystalline diamond) Hot Pressing (HP) and Hot Isostatic Pressing (HIP) are pressure-assisted sintering methods. The application of a uniaxial mechanical pressure during hot pressing and isostatic gas pressure during Hot Isostatic Pressing strongly enhances the densification of ceramic and powder metallurgical produced metallic materials and components. This allows materials and components with high relative density and small defect sizes to be produced. As a result, they have a particularly high reliability and strength. But at the same time they also allow the production of materials with special properties that could not be densified without pressure. This article gives an introduction to the basics and application of these technologies.
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