US 11,913,117 B2
Hot stamping component and method of manufacturing the same
Hye Jin Kim, Incheon (KR); Kyu Yeon Hwang, Incheon (KR); Hyun Yeong Jung, Incheon (KR); Jin Ho Lee, Incheon (KR); and Seung Pill Jung, Incheon (KR)
Assigned to Hyundai Steel Company, Incheon (KR)
Filed by Hyundai Steel Company, Incheon (KR)
Filed on Feb. 23, 2023, as Appl. No. 18/173,392.
Application 18/173,392 is a division of application No. 17/110,092, filed on Dec. 2, 2020, granted, now 11,629,395.
Claims priority of application No. 10-2019-0171790 (KR), filed on Dec. 20, 2019; and application No. 10-2020-0126391 (KR), filed on Sep. 28, 2020.
Prior Publication US 2023/0203634 A1, Jun. 29, 2023
Int. Cl. B32B 15/01 (2006.01); C23C 2/02 (2006.01); B21D 22/02 (2006.01); B21D 37/16 (2006.01); C21D 1/673 (2006.01); C22C 38/00 (2006.01); C23C 2/12 (2006.01); C23C 2/26 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01); F27B 9/02 (2006.01)
CPC C23C 2/02 (2013.01) [B21D 22/022 (2013.01); B21D 37/16 (2013.01); B32B 15/012 (2013.01); C21D 1/673 (2013.01); C22C 38/00 (2013.01); C23C 2/12 (2013.01); C23C 2/26 (2013.01); C23C 2/28 (2013.01); C23C 2/40 (2013.01); F27B 9/028 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A hot-stamping component comprising:
a base steel plate; and
a plated layer on the base steel plate, the plated layer comprising a first layer, a second layer, and an intermetallic compound portion having an island shape in the second layer;
wherein the first layer and the second layer are sequentially stacked, and
wherein an area fraction of the intermetallic compound portion with respect to the second layer is 20% to 60%.
wherein the first layer includes an α-Fe phase or an Fe3Al2 phase and the second layer includes at least one of an FeAl3 phase and an Fe2Al5 phase, and
wherein an average grain size of the second layer is 3 μm to 15 μm.