Preparation of gold-coated molybdenum articles and articles prep

Details Preparation of gold-coated molybdenum articles and articles prep Preparation of gold-coated molybdenum articles and articles prep

1994-07-19

1998-05-12

Utech, Benjamin

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273766, B05D 302

Patent

active

057502021

ABSTRACT:
A gold-coated molybdenum article (30) is made by furnishing a substrate (32) made of pure molybdenum or an alloy of molybdenum, and preparing a slurry of gold powder, acrylic binder, and acetone liquid carrier. The slurry is applied to a portion of a surface of the substrate. The substrate with applied slurry is heated in vacuum or inert atmosphere to an elevated temperature, preferably about 2040.degree. F., and thereafter cooled to ambient temperature. The result is an article (30) having at least a portion of the substrate (32) covered with an adherent gold coating (34).

REFERENCES:
patent: 3935345 (1976-01-01), Lema
patent: 4266000 (1981-05-01), Scherer
patent: 4649229 (1987-03-01), Scherer
patent: 5198154 (1993-03-01), Yokoyama et al.

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