Plasma chemical vapor deposition SiO.sub.2-x coated articles and

Details Plasma chemical vapor deposition SiO.sub.2-x coated articles and Plasma chemical vapor deposition SiO.sub.2-x coated articles and

1985-04-25

1988-07-26

Newsome, John H.

Stock material or miscellaneous articles

Composite

Of silicon containing

427 39, 427 93, B05D 306

Patent

active

047599936

ABSTRACT:
A coated stainless steel article and a method of preparing the article are disclosed. The coating is a plasma chemical vapor deposited coating, formed from a plasma of nitrous oxide, a silane, and an energy transfer agent (such as He, Ar). The resulting coating is adherent, corrosion resistant, and has a thickness sufficient to mask and cover the features of the stainless steel substrate, and to provide a pitting potential (in 3.5% NaCl) of greater than 600 millivolts, a J.I.S. 8502 (1982) versus a saturated calomel electrode a salt spray test rating in 5% NaCl-0.02% hydrogen peroxide of at least B.

REFERENCES:
patent: 4361595 (1982-11-01), Kaganowicz et al.
patent: 4410558 (1983-10-01), Izu et al.
patent: 4430361 (1984-02-01), Robinson et al.
patent: 4495218 (1985-01-01), Azuma et al.

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