Chromium-based coating, a method for producing a chromium-based coating and a coated object

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11371156
APP PUB NO 20190040540A1
SERIAL NO

15758912

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Abstract

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A chromium-based coating including chromium (Cr), carbon (C) and iron (Fe), Cr being electroplated from a trivalent Cr bath. The coating is further includes nickel (Ni) electroplated from the Cr bath having at least 20 mg l−1 Ni cations, in that C is at least partially in the form of at least one chromium carbide compound, in that the coating has been heat-treated at a temperature of 400-1,200° C., and in that the hardness of the coating is at least 1,500 HV on a Vickers microhardness scale as measured according to standard SFS-EN ISO 4516. A method for producing a coating and to a coated object is also disclosed.

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Patent Owner(s)

Patent OwnerAddress
SAVROC LTD70620 KUOPIO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raisa, Jussi Kuopio, FI 3 30

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