Superalloy compositions

Details Superalloy compositions Superalloy compositions

1989-05-05

1991-01-01

Dean, R.

Alloys or metallic compositions

Nickel base

Chromium containing

148404, 420 6, 420443, 420445, C22C 1905

Patent

active

049816454

ABSTRACT:
The addition of small amounts of rhenium, technitium and their mixtures and, optionally erbium, to a nickel-based superalloy in which the ratio of nickel to chromium is approximately 3-4 to 1, provides enhanced mechanical properties particularly suitable for applications in the manufacture of gas turbine engine components, airframe skins and combustion chambers.

REFERENCES:
patent: 4859416 (1989-08-01), Adelman

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