Title:
RUST PREVENTION MEMBER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/004163
Kind Code:
A1
Abstract:
As a rust prevention member that has excellent corrosion resistance, while being provided with a coating film that contains Si, the present invention provides a rust prevention member which is provided with a base material, a zinc-based plating layer that is provided on the base material, and a chemical conversion coating film that contains Si and is provided on the zinc-based plating layer. This rust prevention member is characterized in that the chemical conversion coating film has an Si-rich region on the surface side, said Si-rich region having an atomic ratio of the Si content to the Zn content of 1 or more, while having a thickness of 100 nm or more.
Inventors:
NIWA TSUKASA (JP)
SUGIURA TOSHIHIRO (JP)
HIRAMATSU YOSHIKI (JP)
YOSHIDA HIROKI (JP)
SUGIURA TOSHIHIRO (JP)
HIRAMATSU YOSHIKI (JP)
YOSHIDA HIROKI (JP)
Application Number:
PCT/JP2018/024107
Publication Date:
January 03, 2019
Filing Date:
June 26, 2018
Export Citation:
Assignee:
YUKEN IND CO LTD (JP)
International Classes:
C23C28/00; C23C22/05
Foreign References:
| JPH11335864A | 1999-12-07 | |||
| JP2007162040A | 2007-06-28 | |||
| JP2008133502A | 2008-06-12 | |||
| JPS62510B2 | 1987-01-08 |
Other References:
See also references of EP 3647463A4
Attorney, Agent or Firm:
OKUBO, Katsuyuki (JP)
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