Article having a decorative and protective coating simulating br

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...

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Details

428675, 428680, B32B 1504, C25D 356

Patent

active

054786606

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

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Lowenheim, "Electroplating" TS 670.L67, 1978, pp. 210-225.

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