Method of manufacturing an object of metallic or ceramic materia

Details Method of manufacturing an object of metallic or ceramic materia Method of manufacturing an object of metallic or ceramic materia

1982-09-29

1984-05-01

Hunt, Brooks H.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Heat and pressure simultaneously to effect sintering

419 49, 419 56, 264 56, 264319, B22F 300

Patent

active

044461003

ABSTRACT:
An object of ceramic or metallic material is manufactured by isostatic pressing of a body preformed from a powder of the metallic or ceramic material, the preformed body (10) then being embedded in glass, for example in a mass of glass particles (16) in a vessel (15) which is resistant to the temperature at which the sintering of the metallic or ceramic material is carried out, the material embedding the preformed body being transferred to a melt having a surface limited by the walls of the vessel, below which surface the preformed body is located, and a pressure necessary for the isostatic pressing of the preformed body then being applied on the melt by a gaseous pressure medium.

REFERENCES:
patent: 3229971 (1973-05-01), Gurganus et al.
patent: 3455682 (1969-07-01), Barbaras
patent: 3700435 (1972-10-01), Chandhok
patent: 3804575 (1974-04-01), Chandhok
patent: 3992200 (1976-11-01), Chandhok
patent: 4081272 (1978-03-01), Adlerborn
patent: 4108652 (1978-08-01), Ogawa

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