Title:
COATING-LAMINATED BODY AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/064672
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a coating-laminated body wherein coating containing no hexavalent chrome (which is a substance of concern vis-à-vis the environment) and having excellent corrosion resistance and wear resistance is laminated on a base material; and a production method therefor. The coating-laminated body pertaining to the present invention is produced by laminating multiple coating layers on a base material and is characterized in that the multiple coating layers comprise multiple S-containing Ni alloy coating layers and a sulfur-concentrated layer which is formed between the multiple S-containing Ni alloy coating layers and has a higher S concentration than the S-containing Ni alloy coating, wherein each of the multiple S-containing Ni alloy coatings has a Ni concentration of 90 mass% or higher and the difference between the Ni concentrations of the coatings is 1 mass% or smaller.
Inventors:
KAWAMURA TOSHINORI (JP)
KANEMOTO HIROSHI (JP)
KANEMOTO HIROSHI (JP)
Application Number:
PCT/JP2018/017692
Publication Date:
April 04, 2019
Filing Date:
May 08, 2018
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
C25D5/14; B32B15/04; C25D5/50
Domestic Patent References:
| WO2006043507A1 | 2006-04-27 |
Foreign References:
| JPH06200382A | 1994-07-19 | |||
| JPS63105990A | 1988-05-11 | |||
| JP2001279489A | 2001-10-10 | |||
| JPS5950195A | 1984-03-23 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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