Corrosion resistant nickel base superalloys containing manganese

Details Corrosion resistant nickel base superalloys containing manganese Corrosion resistant nickel base superalloys containing manganese

1982-01-22

1986-02-11

Terapane, John F.

Alloys or metallic compositions

Nickel base

Chromium containing

420445, 420446, 420447, 148404, C22C 1905

Patent

active

045698244

ABSTRACT:
Nickel base superalloys intended for use at low to moderate temperatures are provided with improved corrosion resistance by the addition of from 0.2 to 0.6% manganese. The manganese addition also improves the creep properties of the alloys. The manganese modified alloys are suited for use as elements in gas turbine engines for marine environments.

REFERENCES:
patent: Re28681 (1976-01-01), Baldwin
patent: 4219592 (1980-08-01), Anderson et al.
patent: 4374084 (1983-02-01), Meetham et al.

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