HOT-STAMPED COMPONENT AND METHOD FOR MANUFACTURING SAME

WIPO Patent Application WO/2022/124828

A1

A method for manufacturing a hot-stamped component, according to one embodiment of the present invention, comprises: a step of inserting a blank having a plating layer formed on at least one surface of a base material into a heating furnace having a plurality of sections having different temperature increase rate ranges; and a multi-stage heating step of heating the blank step by step through the plurality of sections, wherein the plurality of sections include: a first heating section having a first average temperature increase rate change rate; a second heating section, after the first heating section, having a second average temperature increase rate change rate different from the first average temperature increase rate change rate; and a third heating section, after the second heating section, having a third average temperature increase rate change rate different from the first average temperature increase rate change rate and the second average temperature increase rate change rate, the third average temperature increase rate change rate including a section in which a positive value changes to a negative value.

YOON SEUNG CHAE (KR)
KONG JE YOUL (KR)
KIM SUNG MIN (KR)
KIM JE WOO SOO (KR)
KIM HYE JIN (KR)
PARK JAE MYOUNG (KR)
YOO BYUNG GIL (KR)
YOOK WAN (KR)
YIM GI HAK (KR)
JUNG SEUNG PILL (KR)
JUNG HYUN YEONG (KR)

PCT/KR2021/018671

June 16, 2022

December 09, 2021

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HYUNDAI STEEL CO (KR)

B21D37/16; B21D22/02; C21D9/46

WO2014162984A1

2014-10-09

KR20200076071A	2020-06-29
KR20190084288A	2019-07-16
CN108588612A	2018-09-28
KR20100037692A	2010-04-12
KR20130136565A	2013-12-12

Y.P.LEE, MOCK & PARTNERS (KR)

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