Method for diffusion coating an Fe-Ni base alloy with chromium

Details Method for diffusion coating an Fe-Ni base alloy with chromium Method for diffusion coating an Fe-Ni base alloy with chromium

1977-11-21

1979-04-10

Kendall, Ralph S.

Coating processes

Coating by vapor, gas, or smoke

Metal coating

428667, C23C 1104, C23C 902

Patent

active

041489365

ABSTRACT:
A metallic article of a Fe--Ni base, controlled linear thermal expansion alloy is provided with improved environmental resistance without detriment to mechanical properties through the application to and diffusion into the article surface of Cr with or without other coating metals such as Ni. The coating is preferably applied through the pack diffusion method.

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patent: 3694255 (1972-09-01), Brill-Edwards
patent: 3779719 (1973-12-01), Clark et al.
patent: 3785854 (1974-01-01), Baldi
patent: 3812566 (1974-05-01), Clauss
patent: 3957454 (1976-05-01), Bessen
patent: 3998603 (1976-12-01), Rairden
patent: 4006011 (1977-02-01), Muzyka et al.

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