Method for production of powder metallurgy alloy

Details Method for production of powder metallurgy alloy Method for production of powder metallurgy alloy

1990-07-19

1991-08-13

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 11, 419 15, 419 17, 419 19, 419 32, 419 33, 419 41, 419 43, 419 57, 419 60, 75235, 75238, 75249, 241 5, B22F 3200

Patent

active

050394762

ABSTRACT:
A method for the production of a metallic powder molding material is disclosed which comprises a step of imparting mechanical energy due to at least one of such physical actions as vibration, pulverization, attrition, rolling, shocks, agitation, and mixing a metallic particles in a vessel whose interior is held under vacuumized atmosphere or an atmosphere of inert gas thereby enabling the metallic particles to contact each other and acquire improvement in surface quality and a step of hot molding the metallic particles thereby producing a molding material.

REFERENCES:
patent: 4347076 (1982-08-01), Ray et al.
patent: 4464205 (1984-08-01), Kumar et al.
patent: 4464206 (1984-08-01), Kumar et al.
patent: 4624705 (1986-11-01), Jatkar et al.
patent: 4830820 (1989-05-01), Itoh et al.
patent: 4941920 (1990-06-01), Inui et al.

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