Title:
PLATED STEEL MATERIAL HAVING EXCELLENT ADHESION TO PLATING AND CORROSION RESISTANCE, AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2020/130554
Kind Code:
A1
Abstract:
A Zn-Mg alloy plated steel material having excellent adhesion to plating and corrosion resistance, according to one aspect of the present invention, comprises a base iron and a plating layer formed on the surface of the base iron, wherein the plating layer comprises a Zn single phase, a Mg single phase, an MgZn 2 alloy phase, and an Mg 2Zn 11 alloy phase, the Zn single phase is contained in the plating layer at a proportion of 15 to 19 volume%, and the proportion of the Zn single phase in a lower t/2 area of the plating layer adjacent to the base iron may be greater than the proportion of the Zn single phase in an upper t/2 area of the plating layer on the surface layer side of the plating layer. (Here, t means the thickness (㎛) of the plating layer.)
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Inventors:
HONG SEOK-JUN (KR)
JUNG WOO-SUNG (KR)
JUNG WOO-SUNG (KR)
Application Number:
PCT/KR2019/017843
Publication Date:
June 25, 2020
Filing Date:
December 17, 2019
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C23C14/58; C23C14/16; C23C14/54; C23C28/02
Foreign References:
| KR20180074990A | 2018-07-04 | |||
| KR940000086B1 | 1994-01-05 | |||
| KR20080058369A | 2008-06-25 | |||
| US5747111A | 1998-05-05 | |||
| JP2000239862A | 2000-09-05 | |||
| KR100775241B1 | 2007-11-12 |
Other References:
BANG, SU-TYONG: "A Study on Alloying Behavior and Corrosion/Adhesion Property of Zn-Mg-Zn Multi-layer Coated Steel", MASTER'S THESIS, 31 January 2017 (2017-01-31), XP009528768
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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