The difference between powder metallurgy process and casting process

2024-01-11

The powder metallurgy process and the casting process are completely different.

The powder metallurgy process is a sintering process, which is sintered through a sintering furnace and then finished. The casting process is a smelting process followed by pouring.

In ordinary castings, porosity and shrinkage are common defects and difficult to overcome by casting method, while the porosity, pore size and distribution of materials made by powder metallurgy method can be effectively controlled and can be adjusted in a wide range. Due to the existence of empty pores, porous materials have large specific surface and excellent permeability, as well as easy compression deformation, good energy absorption and light quality. These porosity characteristics are the basic characteristics of powder metallurgy porous materials and the basic reason for their wide application.

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