Back to results
US 4,851,190 AGranted
Method of making a multi-alloy turbine rotor disk
AssigneeWilliams International Corporation
InventorsKim E. Bowen, Steven M. Foster, Said Izadi
Life of this patent
Estimating the term…
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.
Claims3
A method of making a turbine disk comprising the steps of
- providing a mold having an internal cavity in the shape of a turbine disk having a central axis,
- rotating said mold about the central axis thereof,
- adding a first powdered metal to said rotating mold at a first rate,
- reducing the rate of addition of said first metal to a second rate,
- adding a second powdered metal to said mold at a third rate substantially equal to the difference between said first and second rates, and
- densifying said disk.
3 more elements
Dependencies are inferred from the claim text.