Fatigue crack-resistant nickel base superalloy composition

Details Fatigue crack-resistant nickel base superalloy composition Fatigue crack-resistant nickel base superalloy composition

1990-09-04

1992-10-20

Andrews, Melvyn J.

Alloys or metallic compositions

Nickel base

Chromium containing

148410, 148428, 420588, C22C 1905

Patent

active

051568080

ABSTRACT:
The present invention provides an alloy having improved crack growth inhibition and having high strength at high temperatures. The composition of the alloy is essentially as follows:

REFERENCES:
patent: 3061426 (1962-10-01), Bieber
patent: 3589893 (1971-06-01), Lund et al.
patent: 3677747 (1972-07-01), Lund et al.
patent: 3825420 (1974-07-01), Ewing et al.
patent: 3869284 (1975-03-01), Baldwin
patent: 4207098 (1980-06-01), Shaw
patent: 4853044 (1989-08-01), Ford et al.
G. W. Meetham, "Development of Gas Turbine Materials", Applied Science Publishers, London, Great Britain (1981) pp. 296-298.

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