Title:
HARD COATING-COVERED MEMBER
Document Type and Number:
WIPO Patent Application WO/2017/130572
Kind Code:
A1
Abstract:
Provided is a hard coating-covered member wherein, on an iron substrate with a nitride layer formed on the surface layer, the adhesiveness of a hard coating formed on the nitride layer is improved. A mold 1 (hard coating-covered member) is provided with: a substrate 10, which is made of a ferrous material and on the surface layer of which a nitride layer 10A is formed; and a hard coating 11, which is made of CrN (metal nitride) and is formed on the nitride layer 10A. In said mold 1, the maximum nitrogen concentration in the nitride layer 10A is 10 at% to 25 at%. The Vickers hardness of the hard coating 11 is 1000 HV to 1700 HV.
Inventors:
YAMAMOTO KENJI
MIURA KATSUTOMO
NISHIBU ATSUSHI
MIURA KATSUTOMO
NISHIBU ATSUSHI
Application Number:
PCT/JP2016/086117
Publication Date:
August 03, 2017
Filing Date:
December 05, 2016
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C23C28/04; B21D37/01; B23B27/14; C23C8/26; C23C14/06
Foreign References:
| JP2003301282A | 2003-10-24 | |||
| JP2013221203A | 2013-10-28 | |||
| JP2007100517A | 2007-04-19 |
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
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