Method and means for the production of bar stock from metal powd

Details Method and means for the production of bar stock from metal powd Method and means for the production of bar stock from metal powd

1975-01-10

1977-08-02

Lanham, C.W.

Metal working

Method of mechanical manufacture

Shaping mating parts for reassembly in different positions

B22F 324

Patent

active

040387380

ABSTRACT:
A method for powder metallurgical production of bar stock from an iron, nickel or cobalt based alloy comprises the steps of introducing a powder of the desired alloy into a tubular container together with a reducing agent and an oxygen getter, sealing the container without evacuating it, heating the sealed container and the powder therein, compacting the heated container by progressive forging and rolling the forged blank. Equipment for forging the container includes a tool having upper and lower dies defining between them an open-ended forging cavity which tapers from an entrance end towards an exit end and through which the container is fed in step-wise manner.

REFERENCES:
patent: 2155651 (1939-04-01), Goetzel
patent: 3834002 (1974-09-01), Sissons et al.

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