Method for manufacturing a blade ring for drum-shaped rotors of

Details Method for manufacturing a blade ring for drum-shaped rotors of Method for manufacturing a blade ring for drum-shaped rotors of

1994-06-14

1995-11-28

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

419 8, 419 10, 419 12, 419 14, 419 19, 419 48, 419 49, B22F 704

Patent

active

054705240

ABSTRACT:
A method is provided for manufacturing a bladed ring for drum-shaped rotors of turbomachinery, especially rotors for axial compressors of gas turbine engines. The bladed ring is to be manufactured by hot isostatic pressing (HIP) and the fiber rings are formed in a metallic powder material for the bladed ring arranged in a circumferential direction. The fiber rings are bonded with spacing therebetween. The fiber rings are reinforced by fibers embedded in a metal matrix. The bladed ring prefabricated in this fashion by HIP is machined down to its required dimensions.

REFERENCES:
patent: 4338132 (1982-07-01), Okamoto et al.
patent: 4673549 (1987-07-01), Ecer
patent: 4797155 (1989-01-01), Das
patent: 5030277 (1991-07-01), Eylon et al.
patent: 5326525 (1994-07-01), Ghosh

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