Coated superalloy article

Details Coated superalloy article Coated superalloy article

1976-01-13

1977-02-01

Rutledge, L. Dewayne

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

75171, 427405, B32B 1520

Patent

active

040059898

ABSTRACT:
A protective coating is provided on gas turbine engine type superalloys comprising an interlayer adjacent the superalloy substrate a principal protective element of which comprises an aluminide of the basis metal of the substrate formed by the reaction of aluminum at high temperature with the substrate, and an overlayer comprising an MCrAlY-type coating where M is selected from the group consisting of cobalt, nickel and iron.

REFERENCES:
patent: 3542530 (1970-11-01), Talboom et al.
patent: 3649225 (1972-03-01), Simmons
patent: 3676085 (1972-07-01), Evans et al.
patent: 3754903 (1973-08-01), Goward et al.
patent: 3869779 (1975-03-01), Gedwill et al.

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