Methods of forming a protective diffusion layer on nickel, cobal

Details Methods of forming a protective diffusion layer on nickel, cobal Methods of forming a protective diffusion layer on nickel, cobal

1982-11-01

1985-02-26

Silverberg, Sam

Coating processes

Coating by vapor, gas, or smoke

Metal coating

427250, C23C 1100

Patent

active

045017760

ABSTRACT:
Methods are provided for forming protective diffusion layers on nickel, cobalt and iron base alloy parts comprising the steps of depositing a coating of a platinum group metal on the surface of the part to be protected and forming a diffusion layer of platinum and aluminum on said surfaces by gas phase aluminizing said surfaces out of contact with a source of gaseous aluminizing species at elevated temperature.

REFERENCES:
patent: 3677789 (1972-07-01), Bungardt et al.
patent: 4132816 (1979-01-01), Benden et al.

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