Composite gas turbine discs for increased performance and...

Details Composite gas turbine discs for increased performance and... Composite gas turbine discs for increased performance and...

2006-09-19

2006-09-19

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Welded, cemented or fused

C416S24400R

Reexamination Certificate

active

07108483

ABSTRACT:
A composite turbine disc includes a high nickel rim section and a steel bore section. The rim section is formed from a high nickel alloy which provides a higher melting point as compared to the material used for the bore section. A plating or forged welding enhanced agent layer is disposed between the bore section and rim section. Composite disc can be formed by forging the rim and bore material together, or by welding the rim and bore material together.

REFERENCES:
patent: 5746579 (1998-05-01), Amos et al.
patent: 6085417 (2000-07-01), Anderson et al.

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