Multi-alloy turbine rotor disk

Details Multi-alloy turbine rotor disk Multi-alloy turbine rotor disk

1989-02-09

1990-02-13

Lechert, Jr., Stephen J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428610, 4152121, B22F 300

Patent

active

049006355

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: 4643648 (1987-02-01), Huller
patent: 4663241 (1987-05-01), Doherty

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