Bonded turbine disk for improved low cycle fatigue life

Details Bonded turbine disk for improved low cycle fatigue life Bonded turbine disk for improved low cycle fatigue life

1978-05-15

1980-05-20

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416244A, F01D 508

Patent

active

042037050

ABSTRACT:
A coolable disk structure which is capable of extended use in the turbine section of a gas turbine engine is disclosed. Various construction details which improve the service life of the disk are developed. Techniques which provide positive control of the heating and cooling rates in turbine disks are incorporated in the structure to increase the low cycle fatigue life of the disk by optimizing the disk thermal profile.

REFERENCES:
patent: 2613058 (1952-10-01), Atkinson
patent: 2641440 (1953-06-01), Williams
patent: 3429700 (1969-02-01), Wiegand et al.
patent: 3982852 (1976-09-01), Andersen et al.

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