Title:
HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT LOW-TEMPERATURE ADHESION AND WORKABILITY, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/125020
Kind Code:
A1
Abstract:
A preferred aspect of the present invention provides a hot-dip galvanized steel sheet having excellent low-temperature adhesion and workability, and a manufacturing method therefor, the hot-dip galvanized steel sheet comprising: an inhibition layer formed on a base steel sheet and comprising an Fe-Al-based intermetallic alloy phase; a hot-dip galvanized layer formed on the inhibition layer; and an Al-Mn-based alloy phase discontinuously formed between the inhibition layer and the hot-dip galvanized layer.
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Inventors:
HWANG HYEON-SEOK (KR)
KIM SANG-HEON (KR)
KIM SANG-HEON (KR)
Application Number:
PCT/KR2018/016378
Publication Date:
June 27, 2019
Filing Date:
December 20, 2018
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C23C2/06; C22C18/00; C22C18/04; C23C2/26; C23C2/40
Foreign References:
| KR101786377B1 | 2017-10-18 | |||
| KR101630991B1 | 2016-06-16 | |||
| KR101280719B1 | 2013-07-01 | |||
| KR20140068122A | 2014-06-05 | |||
| CN105908089A | 2016-08-31 | |||
| KR20130026122A | 2013-03-13 | |||
| KR100742832B1 | 2007-07-25 |
Other References:
See also references of EP 3730663A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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