Metallic component and method of reducing liquid metal embrittlement using low aluminum zinc bath

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11433646
APP PUB NO 20200338856A1
SERIAL NO

16394060

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Abstract

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A metallic component includes a core formed of steel. A zinc alloy layer is disposed on the core. The zinc alloy layer is formed of zinc and a very small amount of aluminum, such as 0.14 weight percent or less. A method of creating a component includes providing a steel core, providing a zinc bath consisting of essentially of 0.01 to 0.14 weight percent aluminum, and hot dipping the steel core into the zinc bath to form a zinc coating on the steel core resulting in a zinc-coated steel component. The aluminum may be provided in even lower contents, such as less than 0.08 weight percent, or even less than 0.05 weight percent. The zinc-coated steel component may then be spot welded to another component without first annealing the zinc-coated component. Rather, heat treating is performed locally at the weld joint by the welding procedure alone.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C24-A65 DETROIT MI 48265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Enloe, Charles Grosse Pointe Woods, US 4 10
Horvath, Curt D Plymouth, US 5 8
Karagoulis, Michael J Okemos, US 50 502

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