Method of processing a multiple alloy rotor

Details Method of processing a multiple alloy rotor Method of processing a multiple alloy rotor

2006-06-27

2006-06-27

Jimenez, Marc (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C029S889710, C029S407050

Reexamination Certificate

active

07065872

ABSTRACT:
A method of processing a rotor. The rotor is formed by casting an ingot to have first and second regions formed of different alloys that intermix during casting to define a transition zone therebetween. The ingot is forged to yield a rotor forging that contains axially-aligned first and second alloy regions and a transition zone therebetween. A three-dimensional approximation of the transition zone is generated, which can be used to predict the effects of the transition zone on the dynamic performance of a rotor machined from the forging.

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patent: 6499946 (2002-12-01), Yamada et al.
patent: 6715993 (2004-04-01), Wojciechowski et al.

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