US 12,410,503 B2
Plated steel sheet having excellent corrosion resistance and bendability and method for manufacturing same
Tae-Chul Kim, Gwangyang-si (KR); Sung-Joo Kim, Pohang-si (KR); Myung-Soo Kim, Pohang-si (KR); Bong-Hwan Yoo, Gwangyang-si (KR); Yong-Kyun Cho, Gwangyang-si (KR); and Il-Ryoung Sohn, Gwangyang-si (KR)
Assigned to POSCO CO., LTD, Pohang-si (KR)
Appl. No. 18/688,709
Filed by POSCO CO., LTD, Pohang-si (KR)
PCT Filed Sep. 27, 2022, PCT No. PCT/KR2022/014438
§ 371(c)(1), (2) Date Mar. 1, 2024,
PCT Pub. No. WO2023/055028, PCT Pub. Date Apr. 6, 2023.
Claims priority of application No. 10-2021-0130130 (KR), filed on Sep. 30, 2021.
Prior Publication US 2024/0360541 A1, Oct. 31, 2024
Int. Cl. B32B 15/01 (2006.01); C22C 18/04 (2006.01); C23C 2/06 (2006.01); C23C 2/20 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01)
CPC C23C 2/06 (2013.01) [B32B 15/013 (2013.01); C22C 18/04 (2013.01); C23C 2/20 (2013.01); C23C 2/29 (2022.08); C23C 2/40 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A plated steel sheet, comprising:
a base steel sheet; and
a Zn—Mg—Al-based plating layer provided on at least one side of the base steel sheet,
wherein the plating layer comprises a MgZn2 phase; and a Zn single phase formed along an outline of the MgZn2 phase.