Sacrificial coating and procedure for electroplating aluminum on aluminum alloys

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United States of America Patent

PATENT NO 11401619
APP PUB NO 20180327923A1
SERIAL NO

15977698

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Abstract

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A method of applying a protective coating with improved adhesion on an aluminum alloy component includes first pretreating the surface of a component by depositing a sacrificial protective immersion layer using a zincating or similar process. Portions of the protective immersion layer as well as portions of the underlying aluminum alloy substrate are then electrolytically etched off in an ionic liquid. A protective aluminum coating is then electrodeposited on the component in an ionic liquid.

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Patent Owner(s)

Patent OwnerAddress
RTX CORPORATION10 FARM SPRINGS ROAD FARMINGTON CT 06032

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Lei South Windsor, US 850 3430
Jaworowski, Mark R Glastonbury, US 96 302
Yu, Xiaomei Westport, US 38 223

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