Multi-layer, high-temperature corrosion protection coating

Details Multi-layer, high-temperature corrosion protection coating Multi-layer, high-temperature corrosion protection coating

1979-12-03

1981-08-18

Ives, P. C.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428667, 428668, 428678, 428926, 75126R, 75128Z, 75134F, 75171, 427405, B22F 704, B22F 708

Patent

active

042846889

ABSTRACT:
Multi-layer, high-temperature corrosion protection coat for a corrodible metallic surface which comprises: (1) a first layer adjacent to the metallic surface comprising 1-15% zirconium, 10-30% chromium and remainder nickel; and (2) a second layer adjacent to said first layer comprising at least 60% chromium and remainder selected from the group consisting of iron, iron plus nickel and mixtures thereof. The protective coatings can be used in machine and appliance construction, particularly for components of thermal engines under high thermal and corrosive stress. They are resistant to sulfidization and oxidation.

REFERENCES:
patent: 2412977 (1946-12-01), Eskin
patent: 2854739 (1958-10-01), Bartlett et al.
patent: 2859158 (1958-11-01), Schaer
patent: 2928169 (1960-03-01), Beach et al.
patent: 3542530 (1970-11-01), Talboom et al.
patent: 3676085 (1972-07-01), Evans et al.
patent: 4101713 (1978-07-01), Hirsch et al.

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