Coated Article

Details Coated Article Coated Article

1995-12-22

1998-07-21

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428628, 428675, 428680, 428670, 428660, 205261, 205266, 205271, B32B 1504, B32B 1500, C25D 510

Patent

active

057833133

ABSTRACT:
An article is coated with a multilayer coating comprising a semi-bright nickel layer deposited on the surface of the article, a bright nickel layer deposited on the bright nickel layer, a palladium strike layer deposited on the semi-bright nickel layer, a ruthenium layer deposited on the palladium strike layer, a refractory metal, preferably zirconium, strike layer deposited on the ruthenium layer, and a refractory metal compound, preferably zirconium nitride, deposited on the refractory metal strike layer. The coating provides the color of polished brass to the article and also provides abrasion and corrosion protection.

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