Coated Ni-Cr base dispersion-modified alloy article

Details Coated Ni-Cr base dispersion-modified alloy article Coated Ni-Cr base dispersion-modified alloy article

1975-10-29

1977-06-14

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

75171, B32B 1500

Patent

active

040294773

ABSTRACT:
An article of improved oxidation resistance includes a metal base of a NiCr dispersion-modified alloy including, by weight, 15 - 30% Cr, 0.1 - 10% of oxides selected from oxides of the rare earth elements, particularly Th, Y and La, up to 1% of elements selected from Ti and Al, with the balance Ni and incidental impurities. To the base is applied a coating consisting essentially of, by weight, about 8 to less than about 14% Al, about 15 - 30% Cr, about 0.01 - 10% of elements selected from Y and Hf, with the balance essentially nickel and incidental impurities.

REFERENCES:
patent: 3290126 (1966-12-01), Monson
patent: 3649225 (1972-03-01), Simmons
patent: 3754903 (1973-08-01), Goward et al.
patent: 3764371 (1973-10-01), Baldi
patent: 3785854 (1974-01-01), Baldi
patent: 3869779 (1975-03-01), Gedwill et al.
patent: 3918139 (1975-11-01), Felten
patent: 3928026 (1975-12-01), Hecht et al.

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