Duplex coating for thermal and corrosion protection

Details Duplex coating for thermal and corrosion protection Duplex coating for thermal and corrosion protection

1976-09-09

1978-06-13

Lusignan, Michael R.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

148 315, 427419R, 428632, 428633, 428939, C23C 700, C23D 500

Patent

active

040950034

ABSTRACT:
A duplex coating and method for making same wherein a primary layer of metals or metal alloys is deposited on a superalloy substrate to seal the substrate against oxidation. A second layer of low density oxide is deposited on the surface of the primary layer. The primary layer has a rough surface so as to provide an adherent surface for the oxide layer.

REFERENCES:
patent: 3197291 (1965-07-01), Michael
patent: 3837894 (1974-09-01), Tucker

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