Powder metallurgy

Powder metallurgy

Powder metallurgy has been used since the 1920s to produce a wide range of structural PM components, self-lubricating bearings and cutting tools.

It encompasses the production of metals in powder form and manufacture from powders by sintering. Products are referred as sintered components, sintered parts or PM parts.  

The process involves compressing the powder to produce compact having sufficient cohesion and then heating the compact, usually in a protective atmosphere, to a temperature below the melting point of the main constituent. During this process individual particles are weld together. The heating step is referred as sintering.

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