Title:
PLATED STEEL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/131171
Kind Code:
A1
Abstract:
Provided is a plated steel material comprising: a steel material; a plating layer, which covers the surface of the steel material and which contains 8-50 mass% of Mg, 2.5-70.0 mass% of Al, and 0.30-5.00 mass% of Ca, with the remainder comprising Zn and impurities; and an intermediate layer, which is interposed between the steel material and the plating layer, which has a sea-island type structure constituted from a sea part comprising an Al-Fe alloy phase and island parts containing Zn-Mg-Al alloy phases in which the content of Mg is 8 mass% or more, and in which the areal proportion of the sea part comprising an Al-Fe alloy phase is 55-90%.
Inventors:
TOKUDA KOHEI (JP)
BABA HISASHI (JP)
SHIMODA NOBUYUKI (JP)
MATSUMURA KENICHIRO (JP)
GOTO YASUTO (JP)
BABA HISASHI (JP)
SHIMODA NOBUYUKI (JP)
MATSUMURA KENICHIRO (JP)
GOTO YASUTO (JP)
Application Number:
PCT/JP2017/001286
Publication Date:
July 19, 2018
Filing Date:
January 16, 2017
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C23C2/06; C22C18/00; C22C18/04; C22C21/06; C22C21/10; C22C23/02; C22C23/04
Domestic Patent References:
WO2015145721A1 | 2015-10-01 |
Foreign References:
JP2011144429A | 2011-07-28 | |||
JP2016514202A | 2016-05-19 | |||
JP2000104154A | 2000-04-11 | |||
JPH09256134A | 1997-09-30 | |||
JPH01117052A | 1989-05-09 | |||
JP2010070810A | 2010-04-02 | |||
JP2015040334A | 2015-03-02 | |||
JP5785336B1 | 2015-09-30 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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