Pre-conditioned AlSiFe coating of boron steel used in hot stamping

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United States of America Patent

PATENT NO 11168379
APP PUB NO 20190249271A1
SERIAL NO

15894763

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Abstract

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A process for pre-conditioning a hot stamped part is provided. The process includes continuously annealing a boron steel material having an aluminum coating for a predetermined time and at a predetermined temperature such that less than 10 weight % Iron (Fe) is in the aluminum coating and AlSi pockets are formed in the aluminum coating prior to a subsequent hot stamping process, wherein the predetermined time and temperature are a function of a thickness of the boron steel material.

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Patent Owner(s)

  • FORD MOTOR COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bullard, Elizabeth Royal Oak, US 14 4
Chiriac, Constantin Windsor, CA 19 77
Engle, James Chesterfield, US 8 10
Kernosky, Stephen Livonia, US 16 40
Sohmshetty, Raj Canton, US 60 152

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