Method of making a multi-alloy turbine rotor disk

Details Method of making a multi-alloy turbine rotor disk Method of making a multi-alloy turbine rotor disk

1987-07-27

1989-07-25

Lechert, Jr., Stephen J.

Powder metallurgy processes

Forming articles by uniting randomly associated metal particles

Consolidation of powders

264 71, 419 49, 419 68, 428547, 428610, B22F 300

Patent

active

048511900

ABSTRACT:
The disclosure relates to a turbine disk and a method of making the turbine disk comprising the steps of rotating a mold, adding a first powdered metal to the rotating mold at a first rate, reducing the rate of addition of the first metal to a second rate, and adding a second powdered metal to the mold at a third rate substantially equal to the difference between the first and second rates.

REFERENCES:
patent: 3888662 (1975-06-01), Boeckeler
patent: 4225546 (1980-09-01), Ohno
patent: 4271114 (1981-06-01), Ohno

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