Title:
HOT STAMP MEMBER
Document Type and Number:
WIPO Patent Application WO/2018/221738
Kind Code:
A1
Abstract:
The hot stamp member according to the present invention comprises a steel material, an Al-Fe intermetallic compound layer formed on the steel material, and an oxide film layer formed on the Al-Fe intermetallic compound layer. The oxide film layer includes: one or more group A elements selected from the group consisting of Be, Mg, Ca, Sr, Ba, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn; Al; oxygen; and impurities. The ratio of the group A element(s) excluding the oxygen in the oxide film layer is 0.01-80 at%, and the thickness t of the oxide film layer is 0.1-10.0 μm. When the group A element(s) in the oxide film layer is measured in the thickness direction from the surface of the oxide film layer by using GDS, the maximum value of the detected intensity of the group A element(s) in the range of 1/3 times the thickness t from the surface is 3.0 times or more of the average value of the detected intensity of the group A element(s) in the range from 2/3 times the thickness t to the thickness t.
Inventors:
SUZUKI YUKI (JP)
FUJITA SOSHI (JP)
MAKI JUN (JP)
KUSUMI KAZUHISA (JP)
FUDA MASAHIRO (JP)
IRIKAWA HIDEAKI (JP)
FUJITA SOSHI (JP)
MAKI JUN (JP)
KUSUMI KAZUHISA (JP)
FUDA MASAHIRO (JP)
IRIKAWA HIDEAKI (JP)
Application Number:
PCT/JP2018/021254
Publication Date:
December 06, 2018
Filing Date:
June 01, 2018
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C23C28/00; B32B9/00; B32B15/04; C22C21/00; C22C38/00; C22C38/38; C23C2/12; C23C2/26; C21D1/18; C21D9/00
Domestic Patent References:
| WO2017017484A1 | 2017-02-02 | |||
| WO2013157522A1 | 2013-10-24 |
Foreign References:
| JP2007302982A | 2007-11-22 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Download PDF:
Previous Patent: ROTARY TOOL
Next Patent: COATING COMPOSITION AND METHOD FOR PRODUCING LAMINATED BODY
Next Patent: COATING COMPOSITION AND METHOD FOR PRODUCING LAMINATED BODY