Method for depositing chromium coatings for titanium oxidation p

Details Method for depositing chromium coatings for titanium oxidation p Method for depositing chromium coatings for titanium oxidation p

1990-02-12

1992-03-24

Nguyen, Nam X.

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

20419216, C23C 1440

Patent

active

050985400

ABSTRACT:
A coating comprised of a continuous film of about 1 to 10 microns of condensed high energy atoms of chromium is found to remain adherent on titanium substrates during repeated thermal recycling while providing substantial oxidation protection up to about 909.degree. C. A film of a ductile chromium alloy that forms a continuous chromium oxide scale can be used instead of the chromium film. The film is deposited by physical vapor deposition processes depositing atoms having a high kinetic energy.

REFERENCES:
patent: 3632494 (1972-01-01), Herte et al.
patent: 3635811 (1972-01-01), Lane
patent: 3774703 (1973-11-01), Sanderson
patent: 4139942 (1979-02-01), Sastri et al.
patent: 4761346 (1988-08-01), Naik

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