Products made by powder metallurgy and a method therefore

Details Products made by powder metallurgy and a method therefore Products made by powder metallurgy and a method therefore

1979-12-05

1982-05-11

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75226, 416223A, 416223R, 416213R, B22F 300

Patent

active

043291759

ABSTRACT:
An article such as a gas turbine rotor blade or bladed rotor is made by consolidation of metal powders contained in a mould using the technique of hot isostatic pressing. Different properties are produced in different portions of the mould corresponding to those parts with either metal powders of different alloys or with metal powders made from one alloy but differently pretreated, e.g. by rolling, to impart mechanical strain into the powders.

REFERENCES:
patent: 3283377 (1966-11-01), Chandley
patent: 3697261 (1972-10-01), Jump et al.
patent: 3940268 (1976-02-01), Catlin
patent: 3976482 (1976-08-01), Larson
patent: 4063939 (1977-12-01), Weaver et al.
patent: 4101712 (1978-07-01), Bomford et al.

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